310560 (2001 QL142)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4990518216 ± 2.96e-08
Semi-major axis (a)1.0494894006 AU ± 1.46e-09
Inclination (i)26.60298000° ± 1.57e-06
Long. of Asc. Node (Ω)165.54209156° ± 4.64e-06
Arg. of Perihelion (ω)72.16172417° ± 5.74e-06
Mean Anomaly (M)274.19213920° ± 9.04e-06
Mean Motion (n)0.9167379098°/day ± 1.92e-09
Perihelion dist (q)0.52573980 AU ± 3.11e-08
Aphelion dist (Q)1.57323900 AU ± 3.11e-08
Orbital Period1.07514511 yr ± 2.25e-09
Physical Parameters
H (abs. magnitude)17.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.071″
Uncertainty0
Orbit TypeApollo
MOID0.049410 AU
Observations Used189
Radar Obs Used1
Gaia Obs Used108
Oppositions3
Arc Total1974-2017
First Observation Used1974-10-14
Last Observation Used2016-12-28
Observations (215)
Date Type RA Dec Mag Band Observatory
2010-10-30 12:42:07 C 09 39 10.46 -12 16 54.6 o 291
2011-11-05 07:15:24 C 08 48 30.13 -17 24 49.3 o 807
2011-11-05 07:20:45 C 08 48 30.64 -17 24 53.8 o 807
2011-11-05 07:31:28 C 08 48 31.62 -17 25 03.6 o 807
2011-12-09 07:10:39 C 10 20 14.10 -32 16 29.6 o 807
2011-12-09 07:16:52 C 10 20 15.02 -32 16 37.4 o 807
2011-12-09 07:38:26 C 10 20 18.20 -32 17 04.8 o 807
2011-12-09 07:43:26 C 10 20 18.96 -32 17 11.0 o 807
2011-12-09 07:48:23 C 10 20 19.68 -32 17 17.3 o 807
2011-12-28 08:08:36 C 11 55 54.07 -41 52 30.4 o 807
2011-12-28 08:12:17 C 11 55 55.13 -41 52 34.6 o 807
2011-12-28 08:15:58 C 11 55 56.20 -41 52 38.8 o 807
2011-12-28 08:19:46 C 11 55 57.29 -41 52 43.3 o 807
2011-12-28 08:23:17 C 11 55 58.32 -41 52 47.1 o 807
2011-12-28 08:26:55 C 11 55 59.35 -41 52 51.4 o 807
2011-12-28 08:29:55 C 11 56 00.22 -41 52 55.0 o 807
2012-11-07 08:22:28 C 07 45 31.91 -22 28 09.2 u 807
2012-11-07 08:46:33 C 07 45 32.81 -22 28 36.4 u 807
2012-11-08 08:24:18 C 07 46 27.60 -22 55 29.1 u 807
2012-11-08 08:32:58 C 07 46 27.94 -22 55 39.4 u 807
2012-11-14 08:17:25 C 07 51 26.55 -25 44 02.8 u 807
2012-11-14 08:23:11 C 07 51 26.75 -25 44 09.8 u 807
2012-11-14 08:28:58 C 07 51 26.90 -25 44 16.4 u 807
2012-11-14 08:34:44 C 07 51 27.06 -25 44 23.3 u 807
2012-11-14 08:40:31 C 07 51 27.21 -25 44 30.7 u 807
2012-11-17 08:10:53 C 07 53 31.84 -27 11 16.8 u 807
2012-11-17 08:16:41 C 07 53 31.95 -27 11 24.1 u 807
2012-11-17 08:22:28 C 07 53 32.09 -27 11 31.3 u 807
2012-11-17 08:28:14 C 07 53 32.24 -27 11 38.4 u 807
2012-11-17 08:34:00 C 07 53 32.38 -27 11 45.6 u 807
2012-11-19 08:08:22 C 07 54 45.61 -28 10 33.9 u 807
2012-11-19 08:14:09 C 07 54 45.74 -28 10 41.1 u 807
2012-11-19 08:19:55 C 07 54 45.87 -28 10 48.4 u 807
2012-11-19 08:25:41 C 07 54 46.02 -28 10 55.6 u 807
2012-11-19 08:31:26 C 07 54 46.14 -28 11 02.5 u 807
2013-01-06 15:04:19 C 07 08 16.64 -55 00 15.5 q E12
2013-01-06 15:38:00 C 07 08 10.91 -55 01 00.9 q E12
2013-11-01 11:11:11 C 06 37 20.07 -23 49 57.5 q 448
2013-11-01 11:37:58 C 06 37 19.81 -23 50 31.0 q 448
2013-11-01 12:15:03 C 06 37 19.48 -23 51 13.6 q 448
2013-11-21 08:09:24 C 06 24 02.14 -33 09 35.9 u 807
2013-11-21 08:13:04 C 06 24 01.93 -33 09 39.8 u 807
2013-11-21 08:16:46 C 06 24 01.70 -33 09 43.8 u 807
2013-11-21 08:20:27 C 06 24 01.48 -33 09 47.9 u 807
2013-11-21 08:24:04 C 06 24 01.28 -33 09 51.7 u 807
2014-01-30 21:55:21 S 03 42 55.462 -28 30 55.12 L C51
2014-01-31 01:04:57 S 03 42 48.223 -28 26 36.20 L C51
2014-02-08 02:05:11 C 03 36 58.21 -23 48 02.3 q 448
2014-02-08 02:26:18 C 03 36 57.50 -23 47 30.5 q 448
2014-02-08 02:38:31 C 03 36 57.24 -23 47 13.4 q 448
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2017-09-11 21:30:00 536555.318 4 Hz 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)