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
2014-10-05 14:27:56 C 05 41 49.449 -15 08 05.25 L F51
2014-10-05 14:41:19 C 05 41 49.597 -15 08 21.41 L F51
2014-10-05 14:54:41 C 05 41 49.739 -15 08 37.53 L F51
2014-10-05 15:08:00 C 05 41 49.880 -15 08 53.59 L F51
2014-10-09 13:23:34 C 05 42 43.104 -17 04 00.50 L F51
2014-10-09 13:41:38 C 05 42 43.162 -17 04 22.72 L F51
2014-10-09 13:59:44 C 05 42 43.219 -17 04 45.00 L F51
2014-11-08 07:42:49 C 05 20 07.20 -31 37 49.0 u 807
2014-11-08 07:49:39 C 05 20 06.69 -31 37 56.4 u 807
2014-11-08 07:56:31 C 05 20 06.16 -31 38 03.3 u 807
2014-12-06 05:39:50 C 04 12 58.61 -38 00 52.7 u 807
2014-12-06 05:48:35 C 04 12 57.64 -38 00 52.5 u 807
2014-12-06 05:57:05 C 04 12 56.70 -38 00 52.1 u 807
2014-12-09 04:52:45 C 04 05 18.83 -37 55 23.5 u 807
2014-12-09 04:58:05 C 04 05 18.25 -37 55 23.3 u 807
2014-12-09 05:03:35 C 04 05 17.67 -37 55 21.5 u 807
2014-12-30 07:01:24 C 03 23 18.454 -33 37 26.55 L F51
2014-12-30 07:14:42 C 03 23 17.671 -33 37 15.94 L F51
2014-12-30 07:27:59 C 03 23 16.897 -33 37 05.33 L F51
2014-12-30 07:41:57 C 03 23 16.094 -33 36 54.05 L F51
2015-01-04 02:18:42 C 03 17 42.38 -31 59 54.2 u 807
2015-01-04 02:23:01 C 03 17 42.19 -31 59 50.4 u 807
2015-01-04 02:27:26 C 03 17 42.00 -31 59 46.7 u 807
2015-01-04 02:31:34 C 03 17 41.82 -31 59 43.2 u 807
2015-01-04 02:35:58 C 03 17 41.63 -31 59 39.0 u 807
2015-02-13 00:31:00 C 03 19 50.35 -15 20 59.5 u 807
2015-02-13 00:38:24 C 03 19 50.60 -15 20 51.2 u 807
2015-02-13 00:46:07 C 03 19 50.90 -15 20 43.0 u 807
2015-02-27 00:15:38 C 03 34 59.65 -09 05 19.9 u 807
2015-02-27 00:22:26 C 03 34 59.95 -09 05 11.5 u 807
2015-02-27 00:29:25 C 03 35 00.27 -09 05 03.5 u 807
2015-10-13 09:50:02 C 04 46 26.77 -24 47 45.5 q 703
2015-10-13 09:57:16 C 04 46 26.45 -24 47 57.0 q 703
2015-10-13 10:11:52 C 04 46 25.71 -24 48 19.4 q 703
2015-11-24 05:43:12 C 03 10 41.54 -37 56 13.8 u 807
2015-11-24 05:46:41 C 03 10 41.18 -37 56 13.2 u 807
2015-11-24 05:50:19 C 03 10 40.82 -37 56 12.6 u 807
2015-11-24 05:53:35 C 03 10 40.47 -37 56 12.3 u 807
2015-11-24 05:57:13 C 03 10 40.11 -37 56 12.0 u 807
2015-11-27 05:18:39 C 03 03 49.70 -37 43 59.1 u 807
2015-11-27 05:23:45 C 03 03 49.22 -37 43 57.9 u 807
2015-11-27 05:29:06 C 03 03 48.69 -37 43 56.7 u 807
2015-11-27 05:33:57 C 03 03 48.24 -37 43 55.6 u 807
2015-11-27 05:39:20 C 03 03 47.75 -37 43 54.1 u 807
2015-11-29 04:34:09 C 02 59 33.95 -37 31 38.8 u 807
2015-11-29 04:36:44 C 02 59 33.72 -37 31 38.0 u 807
2015-11-29 04:39:28 C 02 59 33.48 -37 31 37.1 u 807
2015-11-29 04:42:12 C 02 59 33.26 -37 31 36.3 u 807
2015-11-29 04:44:36 C 02 59 33.04 -37 31 35.4 u 807
2015-11-30 04:41:27 C 02 57 28.60 -37 24 07.0 u 807
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)