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
2023-12-27 11:03:47 C 10 56 17.002 +40 48 55.44 V T05
2023-12-27 11:11:25 C 10 56 17.059 +40 49 18.23 V T05
2023-12-27 11:50:08 C 10 56 17.290 +40 51 12.76 X F51
2023-12-27 12:30:42 C 10 56 17.333 +40 53 11.38 X F51
2023-12-27 12:50:50 C 10 56 17.290 +40 54 09.61 X F51
2023-12-28 12:09:33 C 10 56 53.614 +41 55 30.18 V T05
2023-12-28 12:12:09 C 10 56 53.597 +41 55 37.16 V T05
2023-12-28 12:19:27 C 10 56 53.558 +41 55 57.07 V T05
2023-12-28 12:20:15 C 10 56 53.548 +41 55 59.09 X F51
2023-12-28 12:36:04 C 10 56 53.444 +41 56 41.71 X F51
2023-12-28 12:50:32 C 10 56 53.333 +41 57 20.63 V T05
2023-12-28 12:51:14 C 10 56 53.322 +41 57 22.46 X F51
2023-12-30 12:54:34 C 10 57 39.648 +43 50 43.51 V T08
2023-12-30 12:57:14 C 10 57 39.598 +43 50 49.67 V T08
2023-12-30 13:01:13 C 10 57 39.511 +43 50 58.92 V T08
2023-12-30 13:35:31 C 10 57 38.758 +43 52 17.26 V T08
2023-12-31 11:00:08 C 10 57 52.706 +44 37 18.23 V T08
2023-12-31 11:04:20 C 10 57 52.656 +44 37 27.80 V T08
2023-12-31 11:08:20 C 10 57 52.586 +44 37 36.80 V T08
2023-12-31 11:22:29 C 10 57 52.346 +44 38 08.74 V T08
2024-01-01 10:19:37 C 10 57 52.038 +45 23 44.30 V 703
2024-01-01 10:23:21 C 10 57 51.937 +45 23 51.86 V 703
2024-01-01 10:27:05 C 10 57 51.826 +45 23 59.24 V 703
2024-01-01 10:30:56 C 10 57 51.725 +45 24 06.80 V 703
2024-01-01 17:04:43 C 10 57 52.291 +45 36 28.30 q Q21
2024-01-01 17:12:16 C 10 57 52.070 +45 36 43.24 q Q21
2024-01-02 12:28:08 C 10 57 48.542 +46 12 22.61 V T05
2024-01-02 12:32:10 C 10 57 48.413 +46 12 30.28 V T05
2024-01-02 13:04:55 C 10 57 47.251 +46 13 32.45 V T05
2024-01-02 14:48:42 C 10 57 43.284 +46 16 41.33 X F51
2024-01-02 15:04:41 C 10 57 42.656 +46 17 09.40 X F51
2024-01-02 15:20:39 C 10 57 42.039 +46 17 37.09 X F51
2024-01-02 15:38:02 C 10 57 41.369 +46 18 06.89 X F51
2024-01-04 13:40:55 C 10 57 11.244 +47 34 44.62 V T08
2024-01-04 13:44:38 C 10 57 11.069 +47 34 50.66 V T08
2024-01-04 13:48:37 C 10 57 10.874 +47 34 57.00 V T08
2024-01-04 14:29:03 C 10 57 08.902 +47 36 00.76 V T08
2024-01-06 14:25:54 C 10 56 03.989 +48 45 58.90 V T05
2024-01-06 15:08:00 C 10 56 01.558 +48 46 55.13 V T05
2024-01-06 15:26:59 C 10 56 00.482 +48 47 19.90 V T05
2024-01-06 15:31:14 C 10 56 00.240 +48 47 25.44 V T05
2024-01-08 14:56:18 C 10 54 27.919 +49 48 01.69 V T08
2024-01-08 15:00:57 C 10 54 27.612 +49 48 07.09 V T08
2024-01-08 15:41:31 C 10 54 24.962 +49 48 52.74 V T08
2024-01-08 21:27:00 C 10 54 18.819 +49 54 38.99 V G33
2024-01-08 21:28:41 C 10 54 18.710 +49 54 41.16 V G33
2024-01-08 21:30:22 C 10 54 18.676 +49 54 43.57 V G33
2024-01-08 21:32:03 C 10 54 18.610 +49 54 45.77 V G33
2024-01-08 21:33:44 C 10 54 18.546 +49 54 48.03 V G33
2024-01-08 21:35:25 C 10 54 18.458 +49 54 50.32 V G33
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)