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
2024-01-15 20:54:42 C 10 45 20.86 +52 28 49.9 q M64
2024-01-15 21:47:29 C 10 45 17.31 +52 29 32.8 q M64
2024-01-15 22:41:47 C 10 45 13.41 +52 30 16.3 q M64
2024-01-16 00:44:25 C 10 45 01.40 +52 32 01.6 V C40
2024-01-16 00:47:08 C 10 45 01.17 +52 32 03.3 V C40
2024-01-16 00:49:51 C 10 45 00.91 +52 32 05.2 V C40
2024-01-16 00:52:35 C 10 45 00.68 +52 32 07.2 V C40
2024-01-16 00:55:18 C 10 45 00.45 +52 32 08.9 V C40
2024-01-16 00:58:01 C 10 45 00.21 +52 32 10.7 V C40
2024-01-16 01:01:06 C 10 44 59.99 +52 32 12.8 V C40
2024-01-16 01:03:00 C 10 44 59.82 +52 32 14.0 V C40
2024-01-16 01:04:47 C 10 44 59.67 +52 32 15.1 V C40
2024-01-16 08:39:21 C 10 44 32.014 +52 37 25.64 V 703
2024-01-16 08:42:32 C 10 44 31.690 +52 37 28.02 V 703
2024-01-16 08:45:42 C 10 44 31.409 +52 37 30.29 V 703
2024-01-16 08:48:52 C 10 44 31.146 +52 37 32.70 V 703
2024-01-16 11:57:08 C 10 44 18.336 +52 39 46.73 V T08
2024-01-16 12:21:36 C 10 44 16.082 +52 40 04.01 V T08
2024-01-16 12:24:15 C 10 44 15.828 +52 40 05.77 V T08
2024-01-16 12:34:20 C 10 44 14.904 +52 40 12.79 V T08
2024-01-16 20:06:50 C 10 43 46.147 +52 43 58.51 V Z80
2024-01-16 20:13:30 C 10 43 45.643 +52 44 03.88 V Z80
2024-01-16 20:20:04 C 10 43 45.274 +52 44 08.59 V Z80
2024-01-17 01:10:56 C 10 43 20.42 +52 47 46.6 V C40
2024-01-17 01:14:00 C 10 43 20.13 +52 47 48.4 V C40
2024-01-17 01:17:05 C 10 43 19.84 +52 47 50.1 V C40
2024-01-17 01:20:09 C 10 43 19.57 +52 47 52.1 V C40
2024-01-17 01:23:14 C 10 43 19.31 +52 47 53.8 V C40
2024-01-17 01:26:06 C 10 43 19.03 +52 47 55.4 V C40
2024-01-18 06:54:01 C 10 41 17.405 +53 04 53.29 V 703
2024-01-18 06:59:20 C 10 41 16.948 +53 04 56.96 V 703
2024-01-18 07:04:38 C 10 41 16.480 +53 05 00.38 V 703
2024-01-18 07:09:56 C 10 41 16.015 +53 05 03.98 V 703
2024-01-18 11:54:07 C 10 40 53.462 +53 07 53.98 V T05
2024-01-18 11:57:22 C 10 40 53.148 +53 07 55.85 V T05
2024-01-18 12:02:35 C 10 40 52.651 +53 07 58.87 V T05
2024-01-18 12:10:25 C 10 40 51.886 +53 08 03.37 V T05
2024-01-18 12:58:20 C 10 40 47.201 +53 08 30.08 V T05
2024-01-18 13:03:49 C 10 40 46.658 +53 08 33.04 V T05
2024-01-18 16:24:02 C 10 40 35.75 +53 09 32.7 Y N42
2024-01-18 16:24:40 C 10 40 35.70 +53 09 33.1 Y N42
2024-01-18 16:25:17 C 10 40 35.65 +53 09 33.5 Y N42
2024-01-18 16:25:54 C 10 40 35.60 +53 09 34.0 Y N42
2024-01-20 09:34:31 C 10 37 23.984 +53 29 23.06 V 703
2024-01-20 09:40:24 C 10 37 23.401 +53 29 25.62 V 703
2024-01-20 09:46:17 C 10 37 22.814 +53 29 28.28 V 703
2024-01-20 09:52:10 C 10 37 22.242 +53 29 30.66 V 703
2024-01-20 09:56:20 C 10 37 25.570 +53 29 30.44 V T08
2024-01-20 09:59:45 C 10 37 25.246 +53 29 32.35 V T08
2024-01-20 10:03:45 C 10 37 24.874 +53 29 34.58 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)