(175706) 1996 FG3
Near-Earth object / From Wikipedia, the free encyclopedia
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(175706) 1996 FG3 is a carbonaceous asteroid and binary system,[4] classified as near-Earth object and potentially hazardous asteroid of the Apollo group, approximately 1.7 kilometers (1.1 miles) in diameter. The primary has a spheroidal shape. Its minor-planet moon measures approximately 490 meters (1,600 feet) in diameter.
Discovery[1] | |
---|---|
Discovered by | R. H. McNaught |
Discovery site | Siding Spring Obs. |
Discovery date | 24 March 1996 |
Designations | |
(175706) 1996 FG3 | |
1996 FG3 | |
Apollo · NEO · PHA[1][2] | |
Orbital characteristics[2] | |
Epoch 27 April 2019 (JD 2458600.5) | |
Uncertainty parameter 0 | |
Observation arc | 17.96 yr (6,560 d) |
Aphelion | 1.4224 AU |
Perihelion | 0.6853 AU |
1.0538 AU | |
Eccentricity | 0.3497 |
1.08 yr (395 d) | |
11.261° | |
0° 54m 39.6s / day | |
Inclination | 1.9911° |
299.69° | |
24.052° | |
Known satellites | 1[3][4] (diameter: 0.49±0.08 km)[5] (orbital period: 16.1508 h)[6] |
Earth MOID | 0.0283 AU (11 LD) |
Physical characteristics | |
Mean diameter | 1.196±0.362 km[7] 1.55 km[8] 1.64±0.20 km[6] 1.69±0.18 km[9] 1.84±0.56 km[10] 1.90±0.28 km[11] |
3.5942 h[8][9][12] | |
0.03±0.03[13] 0.039±0.012[11] 0.042±0.035[10] 0.046±0.014[9] 0.058[8] 0.072±0.039[7] | |
SMASS = C[2] B[11][14] C/Ch[15] B–V = 0.708±0.005[8] V–R = 0.380±0.003[8] V–I = 0.714±0.004[8] | |
17.76[7][8][10][11][14][16] 17.833±0.024[9] 18.4[1][2] | |
It was discovered on 24 March 1996, by Australian astronomer Robert McNaught at Siding Spring Observatory in New South Wales, Australia.[1] The asteroid was a target of NASA's Janus Serenity space probe,[17] until the delay of the rocket launch made the target inaccessible.[18] In 2017, scientists from the Chinese Academy of Sciences' Purple Mountain Observatory revealed a plan to land a probe on this asteroid in 2029, as part of an asteroid exploration mission.[19]