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
2024-01-26 11:13:51 C 10 25 24.072 +54 07 19.67 V T05
2024-01-26 11:17:46 C 10 25 23.676 +54 07 20.24 V T05
2024-01-26 11:22:19 C 10 25 23.208 +54 07 20.78 V T05
2024-01-26 11:25:35 C 10 25 22.841 +54 07 21.50 V T05
2024-01-27 19:06:48 C 10 22 41.73 +54 09 06.1 V M34
2024-01-27 19:10:36 C 10 22 41.41 +54 09 06.6 V M34
2024-01-27 19:14:24 C 10 22 41.07 +54 09 07.4 V M34
2024-01-27 23:59:02 B 10 22 14.507 +54 09 36.08 X B72
2024-01-28 00:03:07 B 10 22 14.095 +54 09 36.33 X B72
2024-01-28 00:07:13 B 10 22 13.696 +54 09 36.64 X B72
2024-01-29 03:26:23 C 10 19 49.67 +54 09 49.5 Y 557
2024-01-29 04:27:22 C 10 19 43.86 +54 09 44.2 Y 557
2024-01-29 05:25:18 C 10 19 38.52 +54 09 38.2 Y 557
2024-01-29 18:05:15 C 10 18 39.08 +54 09 02.6 Y 557
2024-01-29 19:03:11 C 10 18 34.14 +54 09 05.6 Y 557
2024-01-29 19:30:27 B 10 18 32.054 +54 09 07.20 V 160
2024-01-29 19:37:18 B 10 18 31.543 +54 09 07.24 V 160
2024-01-29 19:44:15 B 10 18 30.972 +54 09 08.71 V 160
2024-01-29 20:01:07 C 10 18 29.01 +54 09 08.4 Y 557
2024-01-29 20:03:56 C 10 18 28.72 +54 09 10.2 X G02
2024-01-29 20:11:12 C 10 18 28.03 +54 09 10.5 X G02
2024-01-29 20:18:29 C 10 18 27.36 +54 09 10.8 X G02
2024-01-29 20:59:02 C 10 18 23.69 +54 09 10.5 Y 557
2024-01-29 21:50:53 C 10 18 18.83 +54 09 11.7 Y 557
2024-01-29 22:57:57 C 10 18 12.34 +54 09 11.9 Y 557
2024-01-29 23:55:52 C 10 18 06.65 +54 09 10.7 Y 557
2024-01-30 00:53:48 C 10 18 00.91 +54 09 07.9 Y 557
2024-01-30 01:51:44 C 10 17 55.19 +54 09 03.8 Y 557
2024-01-30 02:49:41 C 10 17 49.53 +54 08 58.3 Y 557
2024-01-30 03:47:37 C 10 17 43.97 +54 08 51.4 Y 557
2024-01-30 04:48:36 C 10 17 38.26 +54 08 43.0 Y 557
2024-01-30 20:27:09 C 10 16 22.56 +54 07 39.7 V C40
2024-01-30 20:31:32 C 10 16 22.10 +54 07 39.9 V C40
2024-01-30 20:35:55 C 10 16 21.67 +54 07 39.7 V C40
2024-01-30 20:40:18 C 10 16 21.29 +54 07 39.6 V C40
2024-01-30 20:44:41 C 10 16 20.83 +54 07 39.7 V C40
2024-01-30 20:49:05 C 10 16 20.36 +54 07 39.0 V C40
2024-01-30 20:56:45 C 10 16 19.67 +54 07 38.9 V C40
2024-01-30 21:01:08 C 10 16 19.23 +54 07 38.8 V C40
2024-01-30 21:05:32 C 10 16 18.81 +54 07 38.7 V C40
2024-01-30 21:09:55 C 10 16 18.37 +54 07 38.1 V C40
2024-01-30 21:14:18 C 10 16 17.92 +54 07 38.2 V C40
2024-01-30 21:18:42 C 10 16 17.50 +54 07 38.1 V C40
2024-01-31 07:05:39 C 10 15 27.832 +54 06 45.86 V G96
2024-01-31 07:13:12 C 10 15 27.076 +54 06 45.32 V G96
2024-01-31 07:20:46 C 10 15 26.305 +54 06 44.96 V G96
2024-01-31 07:28:19 C 10 15 25.538 +54 06 44.39 V G96
2024-02-01 10:10:29 C 10 13 09.926 +54 03 15.88 V T08
2024-02-01 10:13:08 C 10 13 09.650 +54 03 15.77 V T08
2024-02-01 10:17:08 C 10 13 09.247 +54 03 15.30 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)