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
2023-10-18 15:17:28 S 00 41 49.67 -69 41 38.3 L C51
2023-10-18 18:23:46 S 00 42 02.92 -69 44 03.7 L C51
2023-10-19 00:36:22 S 00 42 30.39 -69 48 54.0 L C51
2023-10-22 05:20:58 C 00 48 52.661 -70 48 16.49 V W68
2023-10-22 05:25:35 C 00 48 52.946 -70 48 19.40 V W68
2023-10-22 05:35:05 C 00 48 53.462 -70 48 25.78 V W68
2023-10-22 05:49:29 C 00 48 54.432 -70 48 35.32 V W68
2023-10-28 03:25:01 C 01 06 13.236 -72 35 41.28 V W68
2023-10-28 03:29:38 C 01 06 13.711 -72 35 44.56 V W68
2023-10-28 03:38:53 C 01 06 14.686 -72 35 51.79 V W68
2023-10-28 03:58:08 C 01 06 16.594 -72 36 06.12 V W68
2023-10-29 21:19:06 C 01 13 03.998 -73 07 47.53 V M22
2023-10-29 21:24:25 C 01 13 04.620 -73 07 51.60 V M22
2023-10-29 21:49:07 C 01 13 07.658 -73 08 10.00 V M22
2023-11-01 21:33:43 C 01 27 24.998 -74 04 13.94 V M22
2023-11-01 21:38:19 C 01 27 25.745 -74 04 17.54 V M22
2023-11-01 21:46:21 C 01 27 27.014 -74 04 23.66 V M22
2023-11-01 22:04:49 C 01 27 30.094 -74 04 37.63 V M22
2023-11-03 03:39:55 C 01 34 34.488 -74 28 10.52 V W68
2023-11-03 03:44:30 C 01 34 35.198 -74 28 13.91 V W68
2023-11-03 03:52:29 C 01 34 36.540 -74 28 20.96 V W68
2023-11-03 04:17:29 C 01 34 41.436 -74 28 39.14 V W68
2023-11-03 05:08:14 C 01 34 51.115 -74 29 15.76 V W68
2023-11-03 05:18:49 C 01 34 53.028 -74 29 22.85 V W68
2023-11-03 05:36:43 C 01 34 56.515 -74 29 34.94 V W68
2023-11-05 02:05:07 C 01 47 21.28 -75 05 17.3 834
2023-11-05 03:01:28 C 01 47 34.36 -75 06 03.2 834
2023-11-10 22:03:29 C 02 43 36.384 -76 53 06.65 V M22
2023-11-10 22:07:28 C 02 43 38.165 -76 53 09.28 V M22
2023-11-10 22:21:22 C 02 43 44.254 -76 53 18.56 V M22
2023-11-10 23:10:03 C 02 44 05.798 -76 53 49.09 V M22
2023-11-13 22:24:00 C 03 28 38.054 -77 34 11.35 V M22
2023-11-13 22:29:28 C 03 28 41.299 -77 34 13.55 V M22
2023-11-13 22:38:13 C 03 28 46.790 -77 34 17.04 V M22
2023-11-15 05:01:39 C 03 52 00.041 -77 43 40.44 V W68
2023-11-15 05:13:48 C 03 52 08.412 -77 43 42.71 V W68
2023-11-15 05:20:21 C 03 52 12.941 -77 43 43.75 V W68
2023-11-15 05:29:34 C 03 52 19.327 -77 43 45.34 V W68
2023-11-15 05:52:41 C 03 52 35.395 -77 43 48.22 V W68
2023-11-15 06:19:00 C 03 52 53.796 -77 43 50.48 V W68
2023-11-15 06:24:56 C 03 52 57.972 -77 43 50.92 V W68
2023-11-15 07:01:07 C 03 53 23.532 -77 43 51.85 V W68
2023-11-23 01:18:42 C 06 54 37.010 -74 06 03.71 V M22
2023-11-23 01:24:04 C 06 54 41.460 -74 05 46.79 V M22
2023-11-23 01:46:39 C 06 55 00.202 -74 04 35.33 V M22
2023-11-23 01:54:55 C 06 55 07.080 -74 04 08.76 V M22
2023-11-29 15:47:31 C 08 52 16.63 -58 54 42.7 V 323
2023-11-29 16:05:04 C 08 52 25.36 -58 52 19.3 V 323
2023-11-29 16:15:59 C 08 52 30.81 -58 50 49.8 V 323
2023-12-08 12:00:50 C 10 07 15.308 -14 22 15.96 V G96
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)