Discovery[1] | |
---|---|
Discovered by | Mount Lemmon Srvy. |
Discovery date | 2 June 2014 |
Designations | |
2014 LY21 | |
Orbital characteristics[2] | |
Epoch 2 June 2014 (JD 2456810.5) | |
Uncertainty parameter 9[2] | |
Observation arc | ~1 hour[3][a] |
Aphelion | 1.0306 AU (154.18 Gm) (Q) |
Perihelion | 0.35603 AU (53.261 Gm) (q) |
0.69330 AU (103.716 Gm) (a) | |
Eccentricity | 0.48647 (e) |
0.58 yr (210.9 d) | |
203.00° (M) | |
1.7074°/day (n) | |
Inclination | 0.80341° (i) |
73.788° (Ω) | |
348.77° (ω) | |
Earth MOID | 0.000140028 AU (20,947.9 km) |
Jupiter MOID | 4.29318 AU (642.251 Gm) |
Physical characteristics | |
Dimensions | 4–8 m (13–26 ft)[4] |
29.1[2] | |
2014 LY21 is a near-Earth asteroid of the Aten group, approximately 4–8 meters (13–26 feet) in diameter. On 3 June 2014 around 17:38 UT (± 3 hours), it is crudely estimated to have passed about 0.00013 AU (19,000 km) from Earth.[2][b] The asteroid was discovered on 2 June 2014 by the Mount Lemmon Survey at an apparent magnitude of 21 using a 1.5-meter (59 in) reflecting telescope.[1]
MPEC2014-L48
was invoked but never defined (see the help page).jpldata
was invoked but never defined (see the help page).MPC
was invoked but never defined (see the help page).h
was invoked but never defined (see the help page).
Cite error: There are <ref group=lower-alpha>
tags or {{efn}}
templates on this page, but the references will not show without a {{reflist|group=lower-alpha}}
template or {{notelist}}
template (see the help page).