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
2023-12-08 12:08:12 C 10 07 16.547 -14 20 32.53 V G96
2023-12-08 12:15:36 C 10 07 17.771 -14 18 47.52 V G96
2023-12-08 12:23:01 C 10 07 19.009 -14 17 02.47 V G96
2023-12-09 09:52:35 C 10 12 08.518 -09 18 04.61 V 703
2023-12-09 09:55:31 C 10 12 08.982 -09 17 25.48 V 703
2023-12-09 09:58:26 C 10 12 09.461 -09 16 45.80 V 703
2023-12-09 10:01:21 C 10 12 09.932 -09 16 05.99 V 703
2023-12-11 10:44:13 C 10 21 28.501 +01 09 47.34 V 703
2023-12-11 10:47:33 C 10 21 28.926 +01 10 27.37 V 703
2023-12-11 10:50:54 C 10 21 29.354 +01 11 07.30 V 703
2023-12-11 10:54:14 C 10 21 29.772 +01 11 47.33 V 703
2023-12-11 22:23:14 C 10 23 28.32 +03 25 29.9 q 168
2023-12-11 23:02:36 C 10 23 33.85 +03 33 03.0 q 168
2023-12-11 23:48:34 C 10 23 40.15 +03 41 51.4 q 168
2023-12-12 00:46:38 C 10 23 47.94 +03 52 56.0 q 168
2023-12-12 01:40:37 C 10 23 55.13 +04 03 11.8 q 168
2023-12-12 02:14:34 C 10 23 59.67 +04 09 37.6 q 168
2023-12-12 02:54:39 C 10 24 05.05 +04 17 12.2 q 168
2023-12-13 09:52:41 C 10 29 06.248 +09 50 12.98 V 703
2023-12-13 09:55:37 C 10 29 06.565 +09 50 42.94 V 703
2023-12-13 09:58:34 C 10 29 06.875 +09 51 13.14 V 703
2023-12-13 10:01:31 C 10 29 07.192 +09 51 43.02 V 703
2023-12-13 12:43:45 C 10 29 32.534 +10 19 32.45 V T08
2023-12-13 12:49:18 C 10 29 33.113 +10 20 28.36 V T08
2023-12-13 12:58:49 C 10 29 34.082 +10 22 04.30 V T08
2023-12-13 13:53:03 C 10 29 39.408 +10 31 08.62 V T08
2023-12-13 22:03:49 C 10 30 49.99 +11 49 16.9 q 168
2023-12-13 22:55:57 C 10 30 56.07 +11 57 41.0 q 168
2023-12-13 23:57:00 C 10 31 02.91 +12 07 27.8 q 168
2023-12-14 01:29:55 C 10 31 13.05 +12 22 13.9 q 168
2023-12-14 02:46:59 C 10 31 21.49 +12 34 22.2 q 168
2023-12-14 10:50:02 C 10 32 35.099 +13 50 20.15 V 703
2023-12-14 10:53:00 C 10 32 35.369 +13 50 47.40 V 703
2023-12-14 10:55:59 C 10 32 35.639 +13 51 14.94 V 703
2023-12-14 10:58:57 C 10 32 35.909 +13 51 42.26 V 703
2023-12-14 13:37:41 C 10 32 58.651 +14 16 24.10 V T08
2023-12-14 13:43:44 C 10 32 59.167 +14 17 19.25 V T08
2023-12-14 14:10:53 C 10 33 01.452 +14 21 26.17 V T08
2023-12-14 14:33:58 C 10 33 03.338 +14 24 55.22 V T08
2023-12-15 09:45:54 C 10 35 35.372 +17 10 17.72 V 703
2023-12-15 09:49:14 C 10 35 35.675 +17 10 45.91 V 703
2023-12-15 09:56:33 C 10 35 36.312 +17 11 47.76 V 703
2023-12-15 09:59:53 C 10 35 36.600 +17 12 15.77 V 703
2023-12-15 12:50:12 C 10 35 58.687 +17 36 15.55 V T05
2023-12-15 12:52:49 C 10 35 58.903 +17 36 37.26 V T05
2023-12-15 12:57:23 C 10 35 59.275 +17 37 15.31 V T05
2023-12-15 13:18:44 C 10 36 00.991 +17 40 12.97 V T05
2023-12-15 23:44:32 B 10 37 18.144 +19 02 23.39 V 160
2023-12-15 23:48:18 B 10 37 18.509 +19 02 53.84 V 160
2023-12-15 23:52:08 B 10 37 18.886 +19 03 24.77 V 160
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)