139622 (2001 QQ142)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3101068036 ± 2.86e-09
Semi-major axis (a)1.4205057393 AU ± 2.08e-10
Inclination (i)9.33914957° ± 3.61e-07
Long. of Asc. Node (Ω)83.16295445° ± 3.76e-07
Arg. of Perihelion (ω)337.96597464° ± 1.56e-06
Mean Anomaly (M)63.67466159° ± 6.57e-07
Mean Motion (n)0.5821672723°/day ± 1.28e-10
Perihelion dist (q)0.97999725 AU ± 4.07e-09
Aphelion dist (Q)1.86101423 AU ± 4.08e-09
Orbital Period1.69302936 yr ± 3.71e-10
Physical Parameters
H (abs. magnitude)18.46
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.192″
Uncertainty0
Orbit TypeApollo
MOID0.010618 AU
Observations Used1053
Radar Obs Used8
Oppositions9
Arc Total2001-2024
First Observation Used2001-08-22
Last Observation Used2024-05-02
Observations (1166)
Date Type RA Dec Mag Band Observatory
2024-01-08 23:01:05 B 10 54 15.163 +49 56 50.17 V 160
2024-01-08 23:04:38 C 10 54 14.35 +49 56 51.7 Y 557
2024-01-08 23:08:02 B 10 54 14.818 +49 56 59.17 V 160
2024-01-08 23:15:00 B 10 54 14.436 +49 57 08.14 V 160
2024-01-08 23:32:06 C 10 54 12.95 +49 57 26.9 Y 557
2024-01-08 23:59:32 C 10 54 11.49 +49 58 01.7 Y 557
2024-01-09 00:30:00 C 10 54 09.82 +49 58 39.9 Y 557
2024-01-09 01:00:31 C 10 54 08.09 +49 59 17.6 Y 557
2024-01-09 01:46:14 C 10 54 05.43 +50 00 13.0 Y 557
2024-01-09 02:16:43 C 10 54 03.63 +50 00 49.1 Y 557
2024-01-09 02:47:12 C 10 54 01.82 +50 01 24.6 Y 557
2024-01-09 03:17:42 C 10 54 00.01 +50 01 59.4 Y 557
2024-01-09 03:48:11 C 10 53 58.20 +50 02 33.7 Y 557
2024-01-09 04:15:38 C 10 53 56.60 +50 03 03.9 Y 557
2024-01-09 04:46:07 C 10 53 54.84 +50 03 36.9 Y 557
2024-01-09 05:16:36 C 10 53 53.13 +50 04 09.4 Y 557
2024-01-09 05:44:04 C 10 53 51.62 +50 04 38.2 Y 557
2024-01-09 09:08:42 C 10 53 49.297 +50 08 56.47 V 703
2024-01-09 09:11:48 C 10 53 49.103 +50 09 00.14 V 703
2024-01-09 09:14:53 C 10 53 48.894 +50 09 04.03 V 703
2024-01-09 09:17:58 C 10 53 48.700 +50 09 07.74 V 703
2024-01-10 00:11:45 C 10 53 10.82 +50 25 19.1 Y 557
2024-01-10 01:18:51 C 10 53 06.73 +50 26 36.5 Y 557
2024-01-10 02:13:43 C 10 53 03.27 +50 27 37.8 Y 557
2024-01-10 03:08:36 C 10 52 59.78 +50 28 36.8 Y 557
2024-01-10 04:10:18 C 10 52 55.89 +50 29 40.9 Y 557
2024-01-10 05:12:13 C 10 52 52.08 +50 30 42.8 Y 557
2024-01-10 23:09:33 C 10 52 08.71 +50 49 15.4 q M64
2024-01-10 23:49:44 C 10 52 06.41 +50 50 00.9 q M64
2024-01-11 00:27:37 C 10 52 04.14 +50 50 43.3 q M64
2024-01-11 08:06:26 C 10 51 42.394 +50 58 41.63 V 703
2024-01-11 08:09:31 C 10 51 42.174 +50 58 45.08 V 703
2024-01-11 08:12:36 C 10 51 41.958 +50 58 48.61 V 703
2024-01-11 08:15:42 C 10 51 41.756 +50 58 52.00 V 703
2024-01-12 21:57:35 C 10 49 42.37 +51 33 38.6 V M34
2024-01-12 22:03:52 C 10 49 41.98 +51 33 44.6 V M34
2024-01-12 22:12:14 C 10 49 41.46 +51 33 52.5 V M34
2024-01-13 21:53:54 C 10 48 18.27 +51 54 05.4 V C40
2024-01-13 22:02:40 C 10 48 17.60 +51 54 13.4 V C40
2024-01-13 22:11:27 C 10 48 16.93 +51 54 21.4 V C40
2024-01-13 22:28:39 C 10 48 15.64 +51 54 36.7 V C40
2024-01-13 22:37:39 C 10 48 14.94 +51 54 44.7 V C40
2024-01-13 22:46:44 C 10 48 14.24 +51 54 52.9 V C40
2024-01-13 22:56:13 C 10 48 13.51 +51 55 01.2 V C40
2024-01-13 23:04:59 C 10 48 12.84 +51 55 08.7 V C40
2024-01-13 23:13:45 C 10 48 12.14 +51 55 16.3 V C40
2024-01-14 08:14:50 C 10 47 40.794 +52 02 34.51 V 703
2024-01-14 08:17:55 C 10 47 40.535 +52 02 37.25 V 703
2024-01-14 08:21:00 C 10 47 40.290 +52 02 39.84 V 703
2024-01-14 08:24:05 C 10 47 40.038 +52 02 42.58 V 703
Radar Observations (8)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2023-12-05 16:02:00 49349.834 0.38 Hz 7159.45 -47 -43
2023-12-06 10:30:00 27749.164 0.4 Hz 8560 -14 -14
2023-12-06 10:50:00 36889356.5 1 us 8560 -14 -14
2023-12-06 11:10:00 36885883.95 0.5 us 8560 -14 -14
2023-12-09 09:20:00 38056613 1 us 8560 -14 -14
2023-12-11 09:10:00 40587038.78 0.5 us 8560 -14 -14
2023-12-13 12:40:00 44568549.76 0.375 us 8560 -14 -14
2023-12-24 06:50:00 75184288 1 us 8560 -14 -14
Station codes
-47 DSS-47 ATCA (W196) -43 DSS-43 Tidbinbilla (70-m) -14 DSS-14 Goldstone (70-m)