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
2023-12-16 10:14:39 C 10 38 27.985 +20 23 48.66 V 703
2023-12-16 10:17:37 C 10 38 28.216 +20 24 11.02 V 703
2023-12-16 10:20:35 C 10 38 28.417 +20 24 33.34 V 703
2023-12-16 10:23:33 C 10 38 28.637 +20 24 56.20 V 703
2023-12-16 11:10:19 C 10 38 32.028 +20 30 50.29 V G96
2023-12-16 11:17:45 C 10 38 32.546 +20 31 46.38 V G96
2023-12-16 11:32:39 C 10 38 33.580 +20 33 38.27 V G96
2023-12-16 12:56:01 C 10 38 47.544 +20 44 22.81 V T05
2023-12-16 13:19:31 C 10 38 49.207 +20 47 20.29 V T05
2023-12-16 13:22:07 C 10 38 49.390 +20 47 39.84 V T05
2023-12-16 13:28:09 C 10 38 49.805 +20 48 25.16 V T05
2023-12-16 23:02:10 C 10 39 55.625 +21 56 15.14 V 160
2023-12-16 23:05:33 C 10 39 55.982 +21 56 40.02 V 160
2023-12-16 23:09:06 C 10 39 56.410 +21 57 05.72 V 160
2023-12-17 03:53:28 B 10 40 20.98 +22 31 04.1 Z Y99
2023-12-17 03:55:32 B 10 40 21.09 +22 31 19.0 Z Y99
2023-12-17 03:57:34 B 10 40 21.28 +22 31 33.9 Z Y99
2023-12-17 12:57:12 C 10 41 21.271 +23 33 53.21 V T08
2023-12-17 12:59:52 C 10 41 21.437 +23 34 11.42 V T08
2023-12-17 13:05:54 C 10 41 21.811 +23 34 52.86 V T08
2023-12-17 13:13:39 C 10 41 22.289 +23 35 45.85 V T08
2023-12-17 23:26:39 C 10 42 25.678 +24 41 14.96 V 160
2023-12-17 23:31:25 C 10 42 26.076 +24 41 46.68 V 160
2023-12-17 23:35:14 C 10 42 26.402 +24 42 11.88 V 160
2023-12-18 00:31:45 C 10 42 30.979 +24 48 24.16 X M26
2023-12-18 00:32:36 C 10 42 31.039 +24 48 29.74 X M26
2023-12-18 00:33:19 C 10 42 31.097 +24 48 34.49 X M26
2023-12-18 10:49:49 C 10 43 26.879 +25 53 35.66 V 703
2023-12-18 10:52:49 C 10 43 27.041 +25 53 54.17 V 703
2023-12-18 10:55:48 C 10 43 27.214 +25 54 12.60 V 703
2023-12-18 10:58:46 C 10 43 27.368 +25 54 31.14 V 703
2023-12-18 13:15:20 C 10 43 42.328 +26 08 47.64 X F52
2023-12-18 13:31:16 C 10 43 43.161 +26 10 26.28 X F52
2023-12-18 13:52:40 C 10 43 44.245 +26 12 38.32 X F52
2023-12-18 14:08:39 C 10 43 45.036 +26 14 16.35 X F52
2023-12-20 00:41:42 B 10 46 47.01 +29 27 25.1 Z C95
2023-12-20 01:24:08 B 10 46 49.55 +29 31 14.9 Z C95
2023-12-20 01:51:15 B 10 46 51.05 +29 33 40.6 Z C95
2023-12-24 11:39:40 C 10 53 34.174 +37 07 27.37 V T05
2023-12-24 11:44:16 C 10 53 34.279 +37 07 44.40 V T05
2023-12-24 11:48:52 C 10 53 34.394 +37 08 01.39 V T05
2023-12-24 12:01:22 C 10 53 34.651 +37 08 47.80 V T05
2023-12-25 12:08:40 C 10 54 38.167 +38 29 38.69 V T05
2023-12-25 12:11:55 C 10 54 38.208 +38 29 49.74 V T05
2023-12-25 12:36:16 C 10 54 38.489 +38 31 12.40 V T05
2023-12-25 12:45:00 C 10 54 38.573 +38 31 41.88 V T05
2023-12-26 14:52:30 C 10 55 32.287 +39 52 03.19 X F51
2023-12-26 15:10:07 C 10 55 32.220 +39 52 54.99 X F51
2023-12-27 10:52:42 C 10 56 16.882 +40 48 22.28 V T05
2023-12-27 10:57:15 C 10 56 16.934 +40 48 35.93 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)