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
2015-11-30 04:44:54 C 02 57 28.31 -37 24 05.9 u 807
2015-11-30 04:48:31 C 02 57 27.99 -37 24 04.8 u 807
2015-11-30 04:51:48 C 02 57 27.70 -37 24 03.5 u 807
2015-11-30 04:55:25 C 02 57 27.36 -37 24 02.4 u 807
2015-12-08 04:22:42 C 02 43 09.63 -35 58 32.0 u 807
2015-12-08 04:26:04 C 02 43 09.42 -35 58 30.1 u 807
2015-12-08 04:29:37 C 02 43 09.19 -35 58 28.1 u 807
2015-12-08 04:32:49 C 02 43 08.98 -35 58 26.0 u 807
2015-12-08 04:36:21 C 02 43 08.76 -35 58 23.9 u 807
2015-12-22 02:01:51 C 02 28 18.63 -32 11 12.2 u 807
2015-12-22 02:05:10 C 02 28 18.53 -32 11 09.1 u 807
2015-12-22 02:08:41 C 02 28 18.42 -32 11 06.5 u 807
2015-12-22 02:11:51 C 02 28 18.33 -32 11 04.2 u 807
2015-12-22 02:15:21 C 02 28 18.21 -32 11 01.2 u 807
2015-12-23 02:41:27 C 02 27 41.58 -31 51 49.3 u 807
2015-12-23 02:46:29 C 02 27 41.42 -31 51 45.1 u 807
2015-12-23 02:51:31 C 02 27 41.28 -31 51 41.0 u 807
2015-12-24 02:22:35 C 02 27 09.60 -31 32 59.1 u 807
2015-12-24 02:24:57 C 02 27 09.53 -31 32 56.8 u 807
2015-12-24 02:27:38 C 02 27 09.48 -31 32 54.5 u 807
2016-01-14 01:38:20 C 02 27 20.19 -24 19 02.4 u 807
2016-01-14 01:44:37 C 02 27 20.27 -24 18 57.3 u 807
2016-01-14 01:50:55 C 02 27 20.36 -24 18 51.3 u 807
2016-01-21 01:13:08 C 02 31 24.99 -21 48 08.3 u 807
2016-01-21 01:18:17 C 02 31 25.12 -21 48 04.0 u 807
2016-01-21 01:23:26 C 02 31 25.29 -21 47 59.0 u 807
2016-08-23 02:31:52 C 04 44 22.70 +12 20 36.6 q 160
2016-08-23 02:34:53 C 04 44 22.62 +12 20 28.2 q 160
2016-08-23 02:37:52 C 04 44 22.57 +12 20 20.3 q 160
2016-09-01 02:54:37 S 04 38 57.76 +02 49 07.8 L C51
2016-09-01 06:03:18 S 04 38 52.21 +02 40 42.2 L C51
2016-09-01 06:03:29 S 04 38 52.20 +02 40 41.0 L C51
2016-09-01 07:37:44 S 04 38 49.41 +02 36 29.2 L C51
2016-09-01 09:12:10 S 04 38 46.63 +02 32 16.3 L C51
2016-09-01 10:46:25 S 04 38 43.78 +02 28 04.2 L C51
2016-09-01 12:20:51 S 04 38 40.90 +02 23 51.5 L C51
2016-09-01 13:55:06 S 04 38 38.14 +02 19 38.9 L C51
2016-09-01 17:03:47 S 04 38 32.42 +02 11 12.3 L C51
2016-09-01 20:12:28 S 04 38 26.63 +02 02 47.2 L C51
2016-09-01 20:12:40 S 04 38 26.61 +02 02 47.1 L C51
2016-09-09 04:17:29 C 04 31 54.78 -05 51 58.5 o Z22
2016-09-09 04:28:54 C 04 31 54.26 -05 52 29.6 o Z22
2016-09-10 02:56:50 C 04 30 52.15 -06 53 07.6 q 160
2016-09-10 03:00:06 C 04 30 52.01 -06 53 16.8 q 160
2016-09-10 03:02:45 C 04 30 51.83 -06 53 24.1 q 160
2016-09-28 14:29:54 C 03 58 14.52 -25 35 36.5 L T05
2016-09-28 14:37:14 C 03 58 13.66 -25 35 52.8 L T05
2016-09-28 14:52:03 C 03 58 12.07 -25 36 25.1 L T05
2016-09-28 14:59:21 C 03 58 11.26 -25 36 41.1 L T05
2016-09-28 15:14:05 C 03 58 09.55 -25 37 12.4 L T05
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)