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
2007-01-15 18:11:13 C 02 36 04.85 +42 01 32.8 c 127
2007-01-15 18:25:08 C 02 36 08.81 +42 02 11.1 c B15
2007-01-15 18:40:33 C 02 36 13.56 +42 02 54.8 c B15
2007-01-15 18:52:46 C 02 36 17.33 +42 03 29.5 c B15
2007-01-15 19:01:56 C 02 36 20.15 +42 03 55.4 c B15
2007-01-25 03:32:59 C 03 50 01.52 +49 41 02.9 17.4 c 704
2007-01-25 03:49:58 C 03 50 06.82 +49 41 24.7 17.4 c 704
2007-01-25 04:06:48 C 03 50 12.06 +49 41 45.3 17.4 c 704
2007-01-25 04:23:34 C 03 50 17.28 +49 42 06.4 17.3 c 704
2007-01-25 04:40:10 C 03 50 22.52 +49 42 26.9 17.4 c 704
2007-01-26 03:37:21 C 03 57 52.57 +50 10 23.8 17.1 c 704
2007-01-26 03:54:46 C 03 57 58.05 +50 10 44.7 17.8 c 704
2007-01-26 04:12:05 C 03 58 03.36 +50 11 03.1 17.3 c 704
2007-01-26 04:29:22 C 03 58 08.72 +50 11 21.3 17.0 c 704
2007-01-26 04:46:37 C 03 58 14.02 +50 11 39.1 17.3 c 704
2007-01-30 18:03:02 C 04 32 54.40 +51 45 18.3 17.5 o 084
2007-01-30 18:40:31 C 04 33 05.53 +51 45 40.6 17.9 o 084
2007-01-30 18:42:40 C 04 33 06.21 +51 45 41.7 17.7 o 084
2007-01-31 19:05:46 C 04 40 32.30 +51 58 52.2 17.4 o 084
2007-01-31 19:07:56 C 04 40 32.92 +51 58 53.4 o 084
2007-02-05 17:28:45 C 05 14 46.96 +52 30 32.9 16.8 o 160
2007-02-05 17:31:42 C 05 14 47.75 +52 30 32.9 17.0 o 160
2007-02-05 17:34:23 C 05 14 48.45 +52 30 33.3 17.2 o 160
2007-02-05 17:36:44 C 05 14 49.09 +52 30 33.5 17.2 o 160
2007-02-05 17:39:47 C 05 14 49.92 +52 30 33.9 17.3 o 160
2007-02-05 17:42:30 C 05 14 50.60 +52 30 34.0 17.2 o 160
2007-02-08 04:58:41 C 05 30 38.52 +52 29 31.5 18.1 c 704
2007-02-08 05:15:31 C 05 30 42.46 +52 29 27.0 18.4 c 704
2007-02-08 05:32:21 C 05 30 46.22 +52 29 23.9 18.7 c 704
2007-02-08 06:06:19 C 05 30 55.54 +52 29 19.5 18.0 c 704
2007-02-25 04:37:57 C 06 57 28.71 +49 23 23.8 c 670
2007-02-25 04:46:33 C 06 57 30.20 +49 23 17.2 c 670
2007-03-02 05:50:02 C 07 17 18.03 +47 55 42.3 c H45
2007-03-02 05:51:35 C 07 17 18.24 +47 55 41.4 c H45
2007-03-02 05:53:05 C 07 17 18.44 +47 55 39.8 c H45
2007-03-02 05:54:53 C 07 17 18.75 +47 55 38.5 c H45
2007-03-02 05:56:54 C 07 17 19.02 +47 55 37.7 c H45
2007-03-14 20:34:52 C 07 59 05.54 +43 53 44.9 o A94
2007-03-14 20:40:28 C 07 59 06.29 +43 53 41.2 o A94
2007-03-14 20:45:56 C 07 59 07.34 +43 53 33.7 o A94
2007-03-17 03:12:15 C 08 05 45.49 +43 08 19.7 r 703
2007-03-17 03:25:30 C 08 05 46.89 +43 08 07.8 r 703
2007-03-17 03:38:38 C 08 05 48.51 +43 07 57.7 r 703
2007-03-17 03:51:52 C 08 05 49.99 +43 07 45.6 r 703
2009-02-24 11:28:09 C 15 50 20.67 -08 29 06.7 o 691
2009-02-24 11:46:58 C 15 50 21.31 -08 29 06.0 o 691
2009-02-24 12:05:55 C 15 50 22.16 -08 29 06.6 o 691
2009-03-01 11:43:16 C 15 54 53.70 -08 27 37.8 o 691
2009-03-01 12:01:23 C 15 54 54.40 -08 27 34.1 o 691
2009-03-01 12:19:31 C 15 54 55.05 -08 27 35.0 o 691
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)