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
2006-12-21 17:06:33 C 00 01 49.64 -02 22 34.5 r 240
2006-12-21 17:07:54 C 00 01 49.89 -02 22 28.0 r 240
2006-12-21 17:09:16 C 00 01 50.13 -02 22 21.8 r 240
2006-12-21 17:10:38 C 00 01 50.37 -02 22 15.4 r 240
2006-12-21 17:12:00 C 00 01 50.62 -02 22 09.3 r 240
2006-12-21 17:13:21 C 00 01 50.87 -02 22 03.3 r 240
2006-12-21 17:14:43 C 00 01 51.12 -02 21 56.9 r 240
2006-12-21 17:16:05 C 00 01 51.36 -02 21 50.6 r 240
2006-12-22 01:25:48 C 00 03 25.10 -01 44 00.6 17.2 c 704
2006-12-22 01:43:45 C 00 03 28.28 -01 42 37.1 17.5 c 704
2006-12-22 02:02:32 C 00 03 31.65 -01 41 10.3 17.5 c 704
2006-12-22 02:20:55 C 00 03 34.94 -01 39 44.8 17.1 c 704
2006-12-22 02:38:50 C 00 03 38.15 -01 38 21.8 17.0 c 704
2006-12-27 17:52:59 C 00 31 33.18 +09 19 23.3 r 170
2006-12-27 17:54:26 C 00 31 33.47 +09 19 30.6 r 170
2006-12-27 18:00:17 C 00 31 34.68 +09 19 59.7 r 170
2007-01-09 03:16:28 C 01 47 19.81 +32 51 04.6 17.2 c 704
2007-01-09 03:33:35 C 01 47 24.42 +32 52 13.3 17.3 c 704
2007-01-09 03:50:53 C 01 47 29.19 +32 53 22.5 17.1 c 704
2007-01-09 04:08:43 C 01 47 34.09 +32 54 33.4 16.8 c 704
2007-01-09 04:26:11 C 01 47 38.94 +32 55 42.3 17.1 c 704
2007-01-11 01:10:21 C 02 00 53.59 +35 49 25.1 r H90
2007-01-11 01:42:57 C 02 01 02.97 +35 51 24.7 r H90
2007-01-11 01:57:03 C 02 01 07.03 +35 52 16.8 r H90
2007-01-13 18:51:49 C 02 21 04.16 +39 37 41.5 r 240
2007-01-13 18:52:44 C 02 21 04.43 +39 37 44.3 r 240
2007-01-13 18:54:33 C 02 21 04.98 +39 37 50.1 r 240
2007-01-13 18:55:28 C 02 21 05.25 +39 37 52.9 r 240
2007-01-13 18:56:22 C 02 21 05.51 +39 37 55.9 r 240
2007-01-13 18:59:05 C 02 21 06.35 +39 38 04.5 r 240
2007-01-13 19:00:00 C 02 21 06.63 +39 38 07.4 r 240
2007-01-13 19:02:43 C 02 21 07.44 +39 38 16.2 r 240
2007-01-13 19:03:38 C 02 21 07.71 +39 38 19.1 r 240
2007-01-13 19:04:32 C 02 21 08.00 +39 38 22.2 r 240
2007-01-14 18:06:50 C 02 28 24.11 +40 50 29.5 c B15
2007-01-14 18:07:45 C 02 28 24.38 +40 50 32.4 c B15
2007-01-14 18:11:09 C 02 28 25.43 +40 50 42.7 c B15
2007-01-14 18:11:55 C 02 28 25.67 +40 50 45.1 c B15
2007-01-14 19:03:56 C 02 28 41.82 +40 53 24.7 c 127
2007-01-14 19:08:25 C 02 28 43.17 +40 53 38.0 c 127
2007-01-14 19:13:18 C 02 28 44.66 +40 53 53.0 c 127
2007-01-14 19:20:59 C 02 28 47.01 +40 54 16.1 c 127
2007-01-15 17:46:46 C 02 35 57.01 +42 00 22.8 r A35
2007-01-15 17:48:08 C 02 35 57.42 +42 00 26.5 r A35
2007-01-15 17:49:31 C 02 35 57.85 +42 00 30.7 r A35
2007-01-15 17:51:38 C 02 35 58.50 +42 00 36.8 r A35
2007-01-15 17:53:58 C 02 35 59.54 +42 00 42.9 c 127
2007-01-15 17:58:17 C 02 36 00.88 +42 00 55.4 c 127
2007-01-15 18:02:37 C 02 36 02.19 +42 01 08.0 c 127
2007-01-15 18:06:42 C 02 36 03.45 +42 01 19.6 c 127
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)