2014 AF5
Discovery[1] | |
---|---|
Discovered by | Catalina Sky Survey (703) |
Discovery date | 2 January 2014 |
Designations | |
MPC designation | 2014 AF5 |
Apollo, NEO[2] | |
Orbital characteristics[2] | |
Epoch 13 January 2016 (JD 2457400.5) | |
Uncertainty parameter 7 | |
Aphelion | 2.3810 AU (356.19 Gm) (Q) |
Perihelion | 0.75353 AU (112.726 Gm) (q) |
1.5672 AU (234.45 Gm) (a) | |
Eccentricity | 0.51920 (e) |
1.96 yr (716.64 d) | |
35.862° (M) | |
0° 30m 8.424s / day (n) | |
Inclination | 6.4141° (i) |
100.66° (Ω) | |
288.71° (ω) | |
Earth MOID | 0.000570632 AU (85,365.3 km) |
Jupiter MOID | 3.08041 AU (460.823 Gm) |
Physical characteristics | |
Dimensions |
~7 meters (23 ft) 5–10 meters |
Mass | 5×105 kg (assumed) |
28.8[2] | |
|
2014 AF5 (also written 2014 AF5) is an Apollo near-Earth asteroid roughly 5–10 meters in diameter that passed less than 1 lunar distance from Earth on 1 January 2014.[3]
From mid November 2013 until 1 January 2014 15:00 UT the small dim asteroid had an elongation less than 45 degrees from the Sun with an undetectable apparent magnitude of around 30.[4] While less than 18 degrees from the Sun any dim asteroid can be lost in astronomical twilight. On 1 January 2014 10:00 UT the asteroid passed 0.00062 AU (93,000 km; 58,000 mi) from the Moon and at 16:13 UT passed 0.00064 AU (96,000 km; 59,000 mi) from Earth.[3] The asteroid was then discovered on 2 January 2014 by the Catalina Sky Survey at an apparent magnitude of 18.9 using a 0.68-meter (27 in) Schmidt–Cassegrain telescope.[1] By 3 January 2014 the asteroid was becoming dimmer than apparent magnitude 20.[4]
References
- 1 2 "MPEC 2014-A19 : 2014 AF5". IAU Minor Planet Center. 2014-01-04. Archived from the original on 2014-02-01. Retrieved 2014-01-25. (K14A05F)
- 1 2 3 "JPL Small-Body Database Browser: (2014 AF5)" (last observation: 2012-10-09; arc: 1 day). Jet Propulsion Laboratory. Retrieved 4 April 2016.
- 1 2 "JPL Close-Approach Data: (2014 AF5)" (last observation: 2012-10-09; arc: 1 day). Retrieved 2014-01-25.
- 1 2 "2014AF5 Ephemerides for 15 November 2013 through 10 January 2014". NEODyS (Near Earth Objects – Dynamic Site). Archived from the original on 2014-02-03. Retrieved 2014-01-25.
External links
- Orbital simulation from JPL (Java) / Ephemeris
- 2014 AF5 at the JPL Small-Body Database