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
2006-08-13 17:15:23 C 21 53 43.58 -42 53 11.0 r E12
2006-08-13 17:39:21 C 21 53 41.89 -42 53 40.2 r E12
2006-08-22 13:51:47 C 21 38 01.39 -47 03 44.0 r E12
2006-08-22 14:04:16 C 21 38 00.20 -47 03 56.8 r E12
2006-08-22 14:16:41 C 21 37 59.12 -47 04 10.3 r E12
2006-08-22 14:29:10 C 21 37 57.97 -47 04 23.7 r E12
2006-08-31 03:59:49 C 21 20 09.98 -50 14 14.2 o 808
2006-08-31 04:11:00 C 21 20 09.06 -50 14 24.3 o 808
2006-08-31 04:23:00 C 21 20 07.78 -50 14 33.6 o 808
2006-08-31 10:59:11 C 21 19 34.75 -50 19 33.9 r E12
2006-08-31 11:11:41 C 21 19 33.52 -50 19 43.2 r E12
2006-08-31 11:24:24 C 21 19 32.34 -50 19 53.6 r E12
2006-08-31 11:37:09 C 21 19 31.04 -50 20 03.1 r E12
2006-09-01 09:56:00 C 21 17 35.01 -50 36 24.4 r E12
2006-09-01 10:09:14 C 21 17 33.75 -50 36 34.3 r E12
2006-09-01 10:22:28 C 21 17 32.53 -50 36 44.6 r E12
2006-09-01 10:35:43 C 21 17 31.23 -50 36 54.5 r E12
2006-09-02 02:08:30 C 21 16 09.73 -50 47 53.0 o 808
2006-09-02 02:20:30 C 21 16 08.62 -50 48 01.2 o 808
2006-09-02 02:32:29 C 21 16 07.47 -50 48 08.9 o 808
2006-09-15 12:05:07 C 20 52 14.37 -53 08 29.1 r E12
2006-09-15 12:16:37 C 20 52 13.72 -53 08 31.6 r E12
2006-09-15 12:28:09 C 20 52 12.86 -53 08 33.4 r E12
2006-09-15 12:39:37 C 20 52 12.14 -53 08 36.0 r E12
2006-09-22 12:49:14 C 20 44 50.02 -53 23 32.2 r E12
2006-09-22 13:00:27 C 20 44 49.74 -53 23 31.4 r E12
2006-09-22 13:11:42 C 20 44 49.48 -53 23 30.7 r E12
2006-09-22 13:22:55 C 20 44 49.20 -53 23 30.9 r E12
2006-09-27 09:17:28 C 20 42 27.97 -53 15 05.4 r 423
2006-09-28 10:30:21 C 20 42 13.96 -53 11 30.9 r 423
2006-09-28 10:49:51 C 20 42 13.59 -53 11 27.5 r 423
2006-09-29 01:02:00 C 20 42 09.28 -53 09 11.4 r 808
2006-09-29 01:12:59 C 20 42 09.12 -53 09 09.6 r 808
2006-09-29 01:23:59 C 20 42 08.95 -53 09 07.6 r 808
2006-11-22 11:57:31 C 22 16 42.78 -36 43 58.9 r E12
2006-11-22 12:07:31 C 22 16 43.89 -36 43 41.3 r E12
2006-11-22 12:17:27 C 22 16 45.04 -36 43 24.5 r E12
2006-11-22 12:27:23 C 22 16 46.30 -36 43 07.2 r E12
2006-12-14 17:14:40 C 23 31 57.84 -14 03 57.7 17.9 r 130
2006-12-14 17:17:04 C 23 31 58.21 -14 03 48.8 17.7 r 130
2006-12-14 17:20:40 C 23 31 58.76 -14 03 35.3 17.9 r 130
2006-12-14 17:24:45 C 23 31 59.39 -14 03 20.1 18.0 r 130
2006-12-20 17:47:49 C 23 57 24.24 -04 08 24.7 o 151
2006-12-20 17:48:30 C 23 57 24.35 -04 08 21.3 o 151
2006-12-20 17:49:11 C 23 57 24.46 -04 08 18.0 o 151
2006-12-20 17:49:52 C 23 57 24.60 -04 08 15.1 o 151
2006-12-20 17:50:33 C 23 57 24.70 -04 08 11.8 o 151
2006-12-20 17:51:13 C 23 57 24.84 -04 08 08.8 o 151
2006-12-20 17:51:55 C 23 57 24.97 -04 08 05.8 o 151
2006-12-21 17:05:11 C 00 01 49.40 -02 22 40.8 r 240
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)