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
2024-02-01 10:25:57 C 10 13 08.354 +54 03 14.36 V T08
2024-02-01 10:26:37 C 10 13 08.287 +54 03 14.26 V T08
2024-02-02 22:41:39 B 10 10 06.151 +53 56 06.54 V 160
2024-02-02 22:55:14 B 10 10 05.045 +53 56 04.13 V 160
2024-02-03 12:25:59 C 10 08 55.939 +53 53 13.38 V T05
2024-02-03 12:33:57 C 10 08 55.152 +53 53 11.22 V T05
2024-02-03 12:38:39 C 10 08 54.698 +53 53 09.92 V T05
2024-02-03 13:29:30 C 10 08 49.690 +53 52 55.34 V T05
2024-02-05 19:33:59 B 10 04 32.73 +53 36 57.0 Z D46
2024-02-05 19:48:23 B 10 04 31.63 +53 36 54.2 Z D46
2024-02-05 20:02:48 B 10 04 30.40 +53 36 50.7 Z D46
2024-02-06 20:11:44 B 10 02 37.55 +53 28 28.4 Z D46
2024-02-06 20:27:19 B 10 02 36.25 +53 28 23.7 Z D46
2024-02-06 20:42:51 B 10 02 34.92 +53 28 19.0 Z D46
2024-02-07 10:45:20 C 10 01 29.134 +53 23 24.22 V T05
2024-02-07 10:49:54 C 10 01 28.709 +53 23 22.34 V T05
2024-02-07 10:57:45 C 10 01 27.989 +53 23 19.46 V T05
2024-02-07 11:05:35 C 10 01 27.269 +53 23 16.48 V T05
2024-02-09 22:50:25 C 09 57 04.85 +52 57 22.2 V C40
2024-02-09 22:56:24 C 09 57 04.37 +52 57 19.3 V C40
2024-02-09 23:02:23 C 09 57 03.88 +52 57 16.3 V C40
2024-02-09 23:08:21 C 09 57 03.41 +52 57 13.3 V C40
2024-02-09 23:14:10 C 09 57 02.94 +52 57 10.5 V C40
2024-02-09 23:19:48 C 09 57 02.50 +52 57 07.5 V C40
2024-02-11 11:31:04 C 09 54 34.622 +52 39 27.76 V T05
2024-02-11 12:12:06 C 09 54 31.332 +52 39 05.40 V T05
2024-02-11 12:53:20 C 09 54 28.039 +52 38 42.32 V T05
2024-02-11 12:57:37 C 09 54 27.703 +52 38 40.09 V T05
2024-02-15 00:55:36 C 09 49 18.12 +51 50 43.2 V C40
2024-02-15 01:12:58 C 09 49 17.07 +51 50 31.7 V C40
2024-02-15 01:30:04 C 09 49 15.98 +51 50 19.7 V C40
2024-02-15 09:02:18 C 09 48 51.520 +51 45 52.42 V G96
2024-02-15 09:10:00 C 09 48 51.016 +51 45 47.45 V G96
2024-02-15 09:17:40 C 09 48 50.504 +51 45 42.34 V G96
2024-02-15 09:25:22 C 09 48 50.000 +51 45 37.22 V G96
2024-02-15 10:29:33 C 09 48 47.794 +51 45 05.11 V T05
2024-02-15 10:33:37 C 09 48 47.498 +51 45 02.66 V T05
2024-02-15 10:43:44 C 09 48 46.812 +51 44 56.00 V T05
2024-02-15 11:30:25 C 09 48 43.625 +51 44 26.45 V T05
2024-02-16 06:56:17 C 09 47 41.651 +51 32 01.68 V G96
2024-02-16 07:03:51 C 09 47 41.176 +51 31 56.78 V G96
2024-02-16 07:11:24 C 09 47 40.686 +51 31 52.07 V G96
2024-02-16 07:18:58 C 09 47 40.200 +51 31 47.17 V G96
2024-02-16 20:26:25 C 09 47 00.26 +51 23 04.1 X G02
2024-02-16 20:33:41 C 09 46 59.83 +51 22 59.6 X G02
2024-02-16 20:40:56 C 09 46 59.41 +51 22 55.0 X G02
2024-02-19 09:31:29 C 09 44 05.376 +50 41 35.84 V T05
2024-02-19 09:34:06 C 09 44 05.273 +50 41 33.97 V T05
2024-02-19 09:39:59 C 09 44 04.903 +50 41 29.94 V T05
2024-02-19 09:47:48 C 09 44 04.495 +50 41 24.54 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)