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
2019-03-06 19:53:59 C 13 36 17.40 +17 05 49.6 q D29
2019-03-09 08:23:28 C 13 32 32.79 +17 39 15.8 V 703
2019-03-09 08:30:59 C 13 32 32.28 +17 39 19.9 V 703
2019-03-09 08:38:30 C 13 32 31.75 +17 39 23.3 V 703
2019-03-09 10:25:30 C 13 32 24.34 +17 40 21.4 V G96
2019-03-09 10:33:04 C 13 32 23.81 +17 40 25.5 V G96
2019-03-09 10:40:37 C 13 32 23.29 +17 40 29.5 V G96
2019-03-09 10:48:09 C 13 32 22.77 +17 40 33.6 V G96
2019-03-17 06:31:20 C 13 18 47.96 +19 10 24.2 V 703
2019-03-17 06:39:04 C 13 18 47.34 +19 10 27.6 V 703
2019-03-17 06:46:47 C 13 18 46.63 +19 10 30.4 V 703
2019-03-17 06:54:31 C 13 18 46.06 +19 10 34.4 V 703
2019-03-25 08:05:38 C 13 02 59.51 +20 12 08.1 U I41
2019-03-25 08:37:02 C 13 02 56.78 +20 12 15.1 U I41
2019-03-25 08:38:21 C 13 02 56.66 +20 12 15.4 U I41
2019-03-25 10:43:18 C 13 02 45.81 +20 12 42.3 U I41
2019-03-26 08:29:41 C 13 00 57.44 +20 17 14.6 V 703
2019-03-26 08:37:14 C 13 00 56.74 +20 17 17.3 V 703
2019-03-26 08:44:45 C 13 00 56.19 +20 17 18.3 V 703
2019-03-26 08:52:16 C 13 00 55.42 +20 17 20.6 V 703
2019-03-27 11:07:35 C 12 58 44.77 +20 22 11.3 V T08
2019-03-27 11:09:08 C 12 58 44.63 +20 22 11.6 V T08
2019-03-27 11:09:48 C 12 58 44.61 +20 22 11.3 V T08
2019-03-27 11:19:09 C 12 58 43.74 +20 22 13.4 V T08
2019-03-27 11:31:07 C 12 58 42.69 +20 22 15.3 V T08
2019-03-27 11:31:50 C 12 58 42.59 +20 22 15.8 V T08
2019-03-27 11:45:35 C 12 58 41.39 +20 22 17.2 V T08
2019-03-27 11:46:14 C 12 58 41.36 +20 22 17.8 V T08
2019-03-29 10:52:47 C 12 54 48.30 +20 29 00.4 V T05
2019-03-29 10:59:39 C 12 54 47.68 +20 29 00.4 V T05
2019-03-29 11:15:24 C 12 54 46.30 +20 29 04.1 V T05
2019-03-29 11:30:45 C 12 54 45.00 +20 29 04.9 V T05
2019-03-31 08:21:21 C 12 51 06.04 +20 33 11.0 V 703
2019-03-31 08:28:50 C 12 51 05.42 +20 33 11.0 V 703
2019-03-31 08:36:19 C 12 51 04.77 +20 33 11.8 V 703
2019-03-31 08:43:48 C 12 51 04.19 +20 33 12.5 V 703
2019-03-31 11:09:29 C 12 50 52.47 +20 33 24.7 V T08
2019-03-31 11:16:18 C 12 50 51.97 +20 33 26.5 V T08
2019-03-31 11:16:59 C 12 50 51.89 +20 33 27.0 V T08
2019-03-31 11:18:58 C 12 50 51.69 +20 33 26.6 V T08
2019-03-31 11:19:38 C 12 50 51.74 +20 33 26.6 V T08
2019-03-31 11:30:59 C 12 50 50.68 +20 33 27.2 V T08
2019-03-31 11:47:19 C 12 50 49.26 +20 33 27.9 V T08
2019-04-04 07:41:01 C 12 43 36.55 +20 34 53.2 V 703
2019-04-04 07:48:36 C 12 43 35.92 +20 34 53.5 V 703
2019-04-04 08:03:46 C 12 43 34.65 +20 34 51.4 V 703
2019-04-04 10:37:01 C 12 43 23.01 +20 34 49.7 V T08
2019-04-04 10:53:25 C 12 43 21.84 +20 34 49.6 V T08
2019-04-04 10:54:04 C 12 43 21.84 +20 34 48.7 V T08
2019-04-04 11:14:05 C 12 43 20.17 +20 34 49.8 V T08
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)