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
2024-01-20 10:21:21 C 10 37 23.186 +53 29 43.84 V T08
2024-01-20 20:06:24 C 10 36 37.43 +53 33 03.0 Y 557
2024-01-20 21:07:23 C 10 36 32.39 +53 33 33.8 Y 557
2024-01-20 22:05:19 C 10 36 27.36 +53 34 02.3 Y 557
2024-01-20 23:06:17 C 10 36 21.87 +53 34 31.0 Y 557
2024-01-21 00:07:16 C 10 36 16.21 +53 34 58.2 Y 557
2024-01-21 01:05:12 C 10 36 10.74 +53 35 22.2 Y 557
2024-01-21 02:06:11 C 10 36 04.94 +53 35 45.6 Y 557
2024-01-21 03:07:10 C 10 35 59.18 +53 36 07.1 Y 557
2024-01-21 04:05:05 C 10 35 53.78 +53 36 25.8 Y 557
2024-01-21 05:06:04 C 10 35 48.25 +53 36 43.9 Y 557
2024-01-21 22:46:57 B 10 34 29.009 +53 43 06.60 V 160
2024-01-21 22:53:56 B 10 34 28.250 +53 43 10.56 V 160
2024-01-21 23:00:47 B 10 34 27.782 +53 43 12.18 V 160
2024-01-22 12:09:41 C 10 33 21.890 +53 47 50.89 V T05
2024-01-22 12:12:57 C 10 33 21.550 +53 47 51.94 V T05
2024-01-22 12:39:13 C 10 33 18.814 +53 48 00.65 V T05
2024-01-22 12:44:52 C 10 33 18.233 +53 48 02.30 V T05
2024-01-22 20:28:12 C 10 32 43.07 +53 49 50.8 V C40
2024-01-22 20:37:13 C 10 32 42.23 +53 49 54.5 V C40
2024-01-22 20:45:46 C 10 32 41.42 +53 49 57.7 V C40
2024-01-24 00:43:48 C 10 30 18.67 +53 57 16.6 V C40
2024-01-24 00:48:11 C 10 30 18.21 +53 57 17.3 V C40
2024-01-24 00:52:34 C 10 30 17.77 +53 57 18.5 V C40
2024-01-24 00:57:10 C 10 30 17.31 +53 57 19.0 V C40
2024-01-24 01:01:33 C 10 30 16.87 +53 57 19.8 V C40
2024-01-24 01:05:44 C 10 30 16.44 +53 57 20.5 V C40
2024-01-24 13:05:13 C 10 29 16.910 +54 00 15.48 V T08
2024-01-24 13:10:10 C 10 29 16.380 +54 00 16.31 V T08
2024-01-24 13:21:03 C 10 29 15.233 +54 00 18.25 V T08
2024-01-24 13:39:30 C 10 29 13.308 +54 00 21.17 V T08
2024-01-24 21:40:40 C 10 28 36.989 +54 01 15.85 V Z80
2024-01-24 21:47:19 C 10 28 36.463 +54 01 17.90 V Z80
2024-01-24 21:53:56 C 10 28 35.842 +54 01 19.67 V Z80
2024-01-25 01:44:57 C 10 28 11.48 +54 02 16.2 V C40
2024-01-25 01:49:20 C 10 28 11.04 +54 02 16.5 V C40
2024-01-25 01:58:06 C 10 28 10.19 +54 02 17.4 V C40
2024-01-25 02:02:30 C 10 28 09.75 +54 02 17.9 V C40
2024-01-25 02:13:45 C 10 28 08.67 +54 02 19.3 V C40
2024-01-25 02:18:08 C 10 28 08.23 +54 02 19.6 V C40
2024-01-25 02:22:31 C 10 28 07.80 +54 02 19.9 V C40
2024-01-25 02:26:54 C 10 28 07.35 +54 02 20.5 V C40
2024-01-25 02:35:40 C 10 28 06.48 +54 02 21.6 V C40
2024-01-25 22:21:18 C 10 26 31.10 +54 05 28.8 q L90
2024-01-25 22:29:15 C 10 26 30.31 +54 05 30.6 q L90
2024-01-25 22:36:55 C 10 26 29.54 +54 05 32.0 q L90
2024-01-26 11:02:52 C 10 25 25.243 +54 07 17.72 V T05
2024-01-26 11:07:13 C 10 25 24.794 +54 07 18.48 V T05
2024-01-26 11:09:50 C 10 25 24.499 +54 07 18.91 V T05
2024-01-26 11:12:33 C 10 25 24.202 +54 07 19.45 V T05
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)