NASA / JPL ID: 3797689

Asteroid 2018 AG12 Close Approach

Not flagged as hazardousNASA/JPL page

Notable Pass

Asteroid 2018 AG12 is a near-Earth object catalogued by NASA under reference ID 3797689. Its estimated diameter is 48–108 m (average 78 m), inferred from brightness rather than measured directly. Its closest catalogued approach to Earth occurs on Mon, Aug 5, 2019, missing by 9,511,559 km — 24.73 lunar distances. NASA does not classify it as a potentially hazardous asteroid.

This score ranks how notable the asteroid approach is. It is not an impact prediction.

Closest approach

Approach date

2019-Aug-05 12:14

Miss distance (km)

9,511,559 km

Miss distance (LD)

24.73 LD

Miss distance (AU)

0.0636 AU

Relative velocity

9.0 km/s

Orbitfall Index

20/100

Size and brightness

Diameter range

48–108 m

Average diameter

78 m

Absolute magnitude

23.70

Related close approaches

Date	Orbiting	Miss (km)	Miss (LD)	Velocity (km/s)	Index
12/01/06Fri, Jan 12, 1906	Earth	42,754,492	111.17	7.0	19
05/04/06Thu, Apr 5, 1906	Earth	38,312,907	99.63	8.4	20
15/10/06Mon, Oct 15, 1906	Earth	67,811,520	176.33	8.8	20
24/08/07Sat, Aug 24, 1907	Earth	44,384,571	115.41	18.7	25
25/01/13Sat, Jan 25, 1913	Earth	32,669,316	84.95	16.7	24
26/11/13Wed, Nov 26, 1913	Earth	69,002,866	179.43	9.3	20
05/07/14Sun, Jul 5, 1914	Earth	29,554,429	76.85	7.5	20
31/01/21Mon, Jan 31, 1921	Earth	31,686,139	82.39	6.1	19
08/03/21Tue, Mar 8, 1921	Earth	31,449,991	81.78	6.5	19
23/10/21Sun, Oct 23, 1921	Earth	70,151,440	182.42	9.1	20
19/08/22Sat, Aug 19, 1922	Earth	30,865,908	80.26	16.1	24
21/01/28Sat, Jan 21, 1928	Earth	48,340,450	125.70	19.8	26
05/12/28Wed, Dec 5, 1928	Earth	65,550,852	170.45	9.1	20
09/06/29Sun, Jun 9, 1929	Earth	37,481,227	97.46	8.8	20
02/09/29Mon, Sep 2, 1929	Earth	46,998,734	122.21	6.3	19
08/02/36Sat, Feb 8, 1936	Earth	15,941,343	41.45	7.8	20
31/10/36Sat, Oct 31, 1936	Earth	71,758,416	186.59	9.3	20
14/08/37Sat, Aug 14, 1937	Earth	16,183,982	42.08	13.3	22
18/01/43Mon, Jan 18, 1943	Earth	60,066,162	156.19	22.2	27
13/12/43Mon, Dec 13, 1943	Earth	62,237,822	161.84	8.8	20
26/05/44Fri, May 26, 1944	Earth	40,426,092	105.12	9.4	21
15/09/44Fri, Sep 15, 1944	Earth	53,669,589	139.56	7.1	19
06/02/51Tue, Feb 6, 1951	Earth	9,814,442	25.52	8.9	20
04/11/51Sun, Nov 4, 1951	Earth	72,170,241	187.66	9.4	21
12/08/52Tue, Aug 12, 1952	Earth	11,587,352	30.13	12.4	22
18/01/58Sat, Jan 18, 1958	Earth	58,516,737	152.16	21.9	27
11/12/58Thu, Dec 11, 1958	Earth	63,219,055	164.39	8.9	20
30/05/59Sat, May 30, 1959	Earth	39,715,926	103.27	9.3	20
12/09/59Sat, Sep 12, 1959	Earth	52,000,298	135.22	6.9	19
08/02/66Tue, Feb 8, 1966	Earth	19,881,667	51.70	7.1	19
29/10/66Sat, Oct 29, 1966	Earth	71,662,574	186.34	9.3	20
17/08/67Thu, Aug 17, 1967	Earth	22,384,447	58.21	14.5	23
21/01/73Sun, Jan 21, 1973	Earth	46,198,652	120.13	19.4	26
03/12/73Mon, Dec 3, 1973	Earth	66,775,959	173.64	9.2	20
17/06/74Mon, Jun 17, 1974	Earth	35,379,827	92.00	8.4	20
22/08/74Thu, Aug 22, 1974	Earth	43,149,827	112.20	5.5	19
05/10/76Tue, Oct 5, 1976	Venus	20,347,718	52.91	6.8	19
29/01/81Thu, Jan 29, 1981	Earth	32,994,726	85.80	6.2	19
13/03/81Fri, Mar 13, 1981	Earth	32,454,342	84.39	6.8	19
21/10/81Wed, Oct 21, 1981	Earth	70,041,760	182.13	9.1	20
21/08/82Sat, Aug 21, 1982	Earth	34,965,326	90.92	16.9	24
28/12/85Sat, Dec 28, 1985	Venus	15,595,830	40.55	8.3	20
26/01/88Tue, Jan 26, 1988	Earth	33,932,028	88.23	16.9	24
26/11/88Sat, Nov 26, 1988	Earth	69,280,008	180.15	9.3	20
08/07/89Sat, Jul 8, 1989	Earth	28,501,489	74.11	7.4	20
23/03/95Thu, Mar 23, 1995	Venus	18,517,997	48.15	10.7	21
13/01/96Sat, Jan 13, 1996	Earth	42,645,580	110.89	7.0	19
05/04/96Fri, Apr 5, 1996	Earth	38,248,718	99.46	8.4	20
14/10/96Mon, Oct 14, 1996	Earth	67,822,383	176.36	8.8	20
24/08/97Sun, Aug 24, 1997	Earth	46,719,129	121.48	19.2	25
29/01/03Wed, Jan 29, 2003	Earth	21,046,266	54.73	14.4	23
20/11/03Thu, Nov 20, 2003	Earth	71,090,287	184.86	9.5	21
29/07/04Thu, Jul 29, 2004	Earth	17,609,364	45.79	7.7	20
01/01/11Sat, Jan 1, 2011	Earth	50,448,115	131.18	7.8	20
23/04/11Sat, Apr 23, 2011	Earth	41,178,597	107.08	9.3	20
07/10/11Fri, Oct 7, 2011	Earth	64,629,112	168.06	8.4	20
28/08/12Tue, Aug 28, 2012	Earth	58,104,613	151.09	21.4	27
01/02/18Thu, Feb 1, 2018	Earth	11,184,968	29.08	12.4	22
15/11/18Thu, Nov 15, 2018	Earth	71,822,198	186.76	9.5	21
05/08/19Mon, Aug 5, 2019	Earth	9,511,559	24.73	9.0	20
30/12/25Tue, Dec 30, 2025	Earth	51,302,230	133.40	7.8	20
25/04/26Sat, Apr 25, 2026	Earth	41,425,237	107.72	9.4	21
06/10/26Tue, Oct 6, 2026	Earth	64,143,759	166.79	8.4	20
29/08/27Sun, Aug 29, 2027	Earth	58,141,479	151.19	21.4	27
30/01/33Sun, Jan 30, 2033	Earth	17,275,731	44.92	13.7	23
18/11/33Fri, Nov 18, 2033	Earth	71,103,749	184.89	9.5	21
31/07/34Mon, Jul 31, 2034	Earth	16,326,486	42.45	7.9	20
10/01/41Thu, Jan 10, 2041	Earth	44,145,395	114.79	7.2	19
08/04/41Mon, Apr 8, 2041	Earth	39,034,080	101.50	8.6	20
14/10/41Mon, Oct 14, 2041	Earth	67,360,662	175.16	8.8	20
25/08/42Mon, Aug 25, 2042	Earth	46,106,664	119.89	19.1	25
26/01/48Sun, Jan 26, 2048	Earth	32,300,170	83.99	16.6	24
26/11/48Thu, Nov 26, 2048	Earth	68,985,148	179.38	9.3	20
06/07/49Tue, Jul 6, 2049	Earth	29,362,016	76.35	7.5	20
30/01/56Sun, Jan 30, 2056	Earth	32,328,029	84.06	6.1	19
11/03/56Sat, Mar 11, 2056	Earth	32,031,097	83.29	6.6	19
23/10/56Mon, Oct 23, 2056	Earth	70,099,418	182.28	9.1	20
20/08/57Mon, Aug 20, 2057	Earth	31,797,639	82.68	16.3	24
27/10/59Mon, Oct 27, 2059	Venus	22,003,115	57.21	12.1	22
23/01/63Tue, Jan 23, 2063	Earth	45,276,885	117.73	19.2	25
04/12/63Tue, Dec 4, 2063	Earth	66,447,218	172.78	9.1	20
15/06/64Sun, Jun 15, 2064	Earth	36,002,924	93.62	8.6	20
26/08/64Tue, Aug 26, 2064	Earth	44,432,342	115.54	5.7	19
17/01/69Thu, Jan 17, 2069	Venus	19,910,982	51.77	11.3	21
09/02/71Mon, Feb 9, 2071	Earth	23,657,698	61.52	6.6	19
28/10/71Wed, Oct 28, 2071	Earth	71,276,923	185.34	9.3	20
17/08/72Wed, Aug 17, 2072	Earth	24,221,772	62.98	14.8	23
21/01/78Fri, Jan 21, 2078	Earth	49,151,349	127.81	20.0	26
11/04/78Mon, Apr 11, 2078	Venus	22,002,993	57.21	12.1	22
06/12/78Tue, Dec 6, 2078	Earth	65,769,483	171.02	9.1	20
12/06/79Mon, Jun 12, 2079	Earth	37,049,901	96.34	8.8	20
02/09/79Sat, Sep 2, 2079	Earth	46,526,772	120.98	6.1	19
08/02/86Fri, Feb 8, 2086	Earth	26,070,576	67.79	6.3	19
27/10/86Sun, Oct 27, 2086	Earth	71,064,581	184.79	9.2	20
19/08/87Tue, Aug 19, 2087	Earth	27,304,561	71.00	15.4	24
23/01/93Fri, Jan 23, 2093	Earth	41,992,478	109.19	18.6	25
02/12/93Wed, Dec 2, 2093	Earth	67,678,572	175.98	9.2	20
23/06/94Wed, Jun 23, 2094	Earth	33,640,041	87.47	8.2	20
24/01/01Mon, Jan 24, 2101	Earth	36,260,859	94.29	6.5	19
23/03/01Wed, Mar 23, 2101	Earth	34,788,121	90.46	7.4	20
21/10/01Fri, Oct 21, 2101	Earth	69,595,987	180.97	9.0	20
23/08/02Wed, Aug 23, 2102	Earth	38,192,744	99.31	17.6	25
28/01/08Sat, Jan 28, 2108	Earth	30,324,585	78.85	16.2	24
26/11/08Mon, Nov 26, 2108	Earth	69,838,339	181.60	9.4	21
15/07/09Mon, Jul 15, 2109	Earth	26,195,509	68.12	7.2	19
12/01/16Sun, Jan 12, 2116	Earth	44,028,682	114.49	7.2	19
09/04/16Thu, Apr 9, 2116	Earth	38,991,223	101.39	8.6	20
15/10/16Thu, Oct 15, 2116	Earth	67,486,367	175.49	8.8	20
26/08/17Thu, Aug 26, 2117	Earth	47,594,856	123.76	19.4	26
30/01/23Sat, Jan 30, 2123	Earth	23,130,481	60.15	14.8	23
23/11/23Tue, Nov 23, 2123	Earth	70,728,179	183.91	9.5	21
26/07/24Wed, Jul 26, 2124	Earth	20,618,448	53.61	7.4	20
10/01/31Wed, Jan 10, 2131	Earth	45,147,982	117.40	7.3	19
13/04/31Fri, Apr 13, 2131	Earth	39,495,368	102.70	8.7	20
15/10/31Mon, Oct 15, 2131	Earth	67,090,493	174.46	8.7	20
26/08/32Tue, Aug 26, 2132	Earth	48,424,621	125.92	19.5	26
29/01/38Wed, Jan 29, 2138	Earth	26,560,361	69.07	15.5	24
25/11/38Tue, Nov 25, 2138	Earth	70,024,318	182.08	9.4	21
20/07/39Mon, Jul 20, 2139	Earth	24,476,400	63.65	7.2	19
20/01/46Thu, Jan 20, 2146	Earth	38,836,995	100.99	6.7	19
30/03/46Wed, Mar 30, 2146	Earth	36,394,854	94.64	7.8	20
20/10/46Thu, Oct 20, 2146	Earth	68,862,102	179.06	8.9	20
24/08/47Thu, Aug 24, 2147	Earth	39,136,056	101.77	17.7	25
25/01/53Thu, Jan 25, 2153	Earth	39,052,758	101.55	18.0	25
02/12/53Sun, Dec 2, 2153	Earth	67,649,623	175.91	9.2	20
26/06/54Wed, Jun 26, 2154	Earth	33,323,353	86.65	8.1	20
09/02/61Mon, Feb 9, 2161	Earth	24,975,853	64.94	6.4	19
29/10/61Thu, Oct 29, 2161	Earth	71,038,088	184.72	9.2	20
19/08/62Thu, Aug 19, 2162	Earth	24,610,838	64.00	14.9	23
22/01/68Fri, Jan 22, 2168	Earth	53,881,257	140.11	20.9	26
10/12/68Sat, Dec 10, 2168	Earth	63,891,506	166.14	9.0	20
04/06/69Sun, Jun 4, 2169	Earth	38,989,200	101.38	9.2	20
12/09/69Tue, Sep 12, 2169	Earth	50,640,507	131.68	6.7	19
09/02/76Fri, Feb 9, 2176	Earth	12,585,287	32.73	8.4	20
04/11/76Mon, Nov 4, 2176	Earth	71,964,681	187.13	9.4	21
15/08/77Fri, Aug 15, 2177	Earth	13,449,017	34.97	12.7	22
20/01/83Mon, Jan 20, 2183	Earth	60,422,659	157.12	22.3	27
15/12/83Mon, Dec 15, 2183	Earth	62,200,052	161.74	8.8	20
28/05/84Fri, May 28, 2184	Earth	40,255,101	104.68	9.4	21
17/09/84Fri, Sep 17, 2184	Earth	53,744,596	139.75	7.1	19
09/02/91Wed, Feb 9, 2191	Earth	13,477,122	35.04	8.2	20
04/11/91Fri, Nov 4, 2191	Earth	72,040,573	187.33	9.4	21
16/08/92Thu, Aug 16, 2192	Earth	15,417,930	40.09	13.1	22
21/01/98Sun, Jan 21, 2198	Earth	54,187,292	140.90	21.0	26
10/12/98Mon, Dec 10, 2198	Earth	64,511,558	167.75	9.0	20
08/06/99Sat, Jun 8, 2199	Earth	38,300,851	99.59	9.1	20
09/09/99Mon, Sep 9, 2199	Earth	49,338,779	128.30	6.5	19

Data source

All figures on this page come from NASA's Near Earth Object Web Service, maintained by the Center for Near-Earth Object Studies at JPL. The Orbitfall Index is calculated by Orbitfall from those values — see the methodology and the NASA asteroid tracker overview. For current passes, see asteroids passing Earth today.

Asteroid guide

Learn about close approaches

Asteroids passing Earth today

Today's catalogued close approaches, ranked.

Near-Earth objects today

What counts as a near-Earth object, and today's list.

Asteroid close approaches

What a close approach is and how it's measured.

NASA asteroid tracker

Where the data comes from and how often it updates.

Potentially hazardous asteroids

What NASA's PHA label does and doesn't mean.

Lunar distance explained

1 LD = 384,400 km — the yardstick for flybys.

Close approach explained

Why a close approach is a schedule, not a warning.

How NASA tracks asteroids

From first detection to orbit refinement.