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
2001-08-22 14:44:55 C 03 23 38.85 -08 51 32.8 c 608
2001-08-22 15:10:22 C 03 23 43.67 -08 51 27.0 c 608
2001-08-25 13:24:00 C 03 37 34.27 -08 34 19.6 19.9 c 608
2001-08-25 13:39:00 C 03 37 37.20 -08 34 15.8 19.5 c 608
2001-08-25 13:54:30 C 03 37 40.20 -08 34 12.3 19.4 c 608
2001-08-26 01:42:35 C 03 40 01.85 -08 31 14.3 c 046
2001-08-26 01:47:40 C 03 40 02.79 -08 31 13.1 c 046
2001-08-26 01:50:07 C 03 40 03.22 -08 31 13.3 c 046
2001-08-26 01:52:31 C 03 40 03.64 -08 31 11.9 c 046
2001-08-26 01:57:27 C 03 40 04.68 -08 31 10.9 c 046
2001-08-26 02:23:33 C 03 40 09.77 -08 31 04.4 d 557
2001-08-26 02:25:23 C 03 40 10.18 -08 31 04.4 d 557
2001-08-26 02:27:15 C 03 40 10.52 -08 31 03.5 d 557
2001-08-26 02:29:04 C 03 40 10.89 -08 31 02.7 d 557
2001-08-26 11:36:55 C 03 42 00.94 -08 28 34.3 18.8 c 644
2001-08-26 11:40:37 C 03 42 01.63 -08 28 33.3 18.8 c 644
2001-08-26 11:52:20 C 03 42 03.97 -08 28 30.2 18.7 c 644
2001-08-26 11:55:48 C 03 42 04.59 -08 28 29.4 18.6 c 644
2001-08-26 12:07:39 C 03 42 06.98 -08 28 26.2 18.7 c 644
2001-08-26 12:11:06 C 03 42 07.60 -08 28 25.2 18.5 c 644
2001-08-29 09:32:54 C 03 56 15.04 -08 09 00.1 c 649
2001-08-29 09:35:53 C 03 56 15.59 -08 08 59.6 c 649
2001-08-29 09:41:51 C 03 56 16.78 -08 08 57.6 c 649
2001-08-29 09:44:51 C 03 56 17.38 -08 08 56.8 c 649
2001-08-30 02:20:36 C 03 59 42.85 -08 04 02.0 a 118
2001-08-30 02:26:43 C 03 59 44.11 -08 04 01.0 a 118
2001-08-30 02:28:09 C 03 59 44.39 -08 04 00.5 a 118
2001-08-30 09:58:29 C 04 01 17.79 -08 01 39.4 c 649
2001-08-30 10:04:40 C 04 01 19.07 -08 01 38.4 c 649
2001-08-30 10:10:38 C 04 01 20.34 -08 01 36.2 c 649
2001-09-07 09:35:23 C 04 42 10.62 -06 54 17.6 c 649
2001-09-07 09:46:03 C 04 42 13.01 -06 54 12.9 c 649
2001-09-07 09:58:13 C 04 42 15.62 -06 54 07.6 c 649
2001-09-07 10:06:12 C 04 42 17.27 -06 54 05.4 c 649
2001-09-10 10:39:38 C 04 58 15.97 -06 23 50.2 c 649
2001-09-10 10:42:48 C 04 58 16.65 -06 23 48.9 c 649
2001-09-10 10:45:47 C 04 58 17.31 -06 23 47.7 c 649
2001-09-10 10:48:48 C 04 58 17.96 -06 23 46.0 c 649
2001-09-10 10:51:48 C 04 58 18.58 -06 23 44.8 c 649
2001-09-11 03:13:09 C 05 01 56.75 -06 16 36.1 i 104
2001-09-11 03:15:35 C 05 01 57.24 -06 16 34.9 i 104
2001-09-11 03:18:30 C 05 01 57.95 -06 16 33.3 i 104
2001-09-11 03:21:02 C 05 01 58.54 -06 16 31.4 i 104
2001-09-11 03:24:23 C 05 01 59.15 -06 16 31.1 i 104
2001-09-11 10:23:25 C 05 03 32.45 -06 13 22.6 d 649
2001-09-11 10:29:15 C 05 03 33.73 -06 13 19.7 d 649
2001-09-11 10:34:53 C 05 03 34.94 -06 13 17.7 d 649
2001-09-12 03:12:19 C 05 07 17.41 -06 05 49.7 i 104
2001-09-12 03:14:50 C 05 07 17.92 -06 05 48.7 i 104
2001-09-12 03:17:14 C 05 07 18.43 -06 05 47.6 i 104
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)