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
2001-09-12 03:19:49 C 05 07 19.01 -06 05 45.2 i 104
2001-09-12 03:22:20 C 05 07 19.50 -06 05 44.8 i 104
2001-09-12 03:24:50 C 05 07 20.13 -06 05 44.8 i 104
2001-09-22 10:21:27 C 06 03 06.42 -03 59 27.9 d 649
2001-09-22 10:30:39 C 06 03 08.46 -03 59 22.2 d 649
2001-09-22 10:39:59 C 06 03 10.50 -03 59 17.2 d 649
2001-09-23 08:34:15 C 06 08 08.84 -03 46 23.1 d 829
2001-09-23 08:43:09 C 06 08 10.76 -03 46 18.2 d 829
2001-10-10 11:42:19 C 07 39 46.54 +00 24 07.5 c 696
2001-10-10 11:45:24 C 07 39 47.18 +00 24 09.2 c 696
2001-10-25 11:17:04 C 08 53 43.25 +03 48 50.6 d 649
2001-10-25 11:19:44 C 08 53 43.74 +03 48 51.9 d 649
2001-10-25 11:27:15 C 08 53 45.19 +03 48 56.2 d 649
2001-10-29 10:01:54 C 09 11 53.18 +04 35 12.9 c 649
2001-10-29 10:06:53 C 09 11 54.08 +04 35 15.1 c 649
2001-10-29 10:11:52 C 09 11 55.02 +04 35 17.2 c 649
2001-11-06 11:32:26 C 09 47 10.72 +05 57 22.5 d 649
2001-11-06 11:35:44 C 09 47 10.54 +05 57 41.0 d 649
2001-11-06 11:40:42 C 09 47 11.50 +05 57 41.0 d 649
2001-11-18 10:52:00 C 10 34 59.34 +07 31 16.1 c 696
2001-11-18 10:54:51 C 10 34 59.82 +07 31 17.0 c 696
2001-11-25 14:47:49 C 11 00 56.01 +08 14 46.8 o 608
2001-11-25 15:02:43 C 11 00 58.07 +08 14 50.7 o 608
2001-11-25 15:18:27 C 11 01 00.32 +08 14 54.9 o 608
2001-12-13 10:43:45 C 11 57 00.17 +09 45 30.1 19.6 c 704
2001-12-13 11:05:45 C 11 57 02.63 +09 45 35.8 19.5 c 704
2001-12-13 11:27:44 C 11 57 05.14 +09 45 39.8 19.5 c 704
2001-12-13 11:49:43 C 11 57 07.64 +09 45 44.0 19.2 c 704
2002-01-09 11:25:36 C 12 56 47.25 +12 59 33.6 18.9 c 704
2002-01-09 11:47:10 C 12 56 48.66 +12 59 43.0 19.1 c 704
2002-01-09 12:08:49 C 12 56 50.04 +12 59 51.7 19.3 c 704
2002-01-09 12:30:28 C 12 56 51.20 +13 00 00.7 19.3 c 704
2002-01-09 12:52:03 C 12 56 52.53 +13 00 12.3 19.1 c 704
2002-01-14 12:25:33 C 13 04 01.58 +13 54 31.4 c 711
2002-01-14 12:39:15 C 13 04 02.24 +13 54 38.1 c 711
2002-01-14 12:52:56 C 13 04 02.97 +13 54 44.8 c 711
2002-01-14 12:59:14 C 13 04 03.30 +13 54 46.8 d 291
2002-01-14 13:05:23 C 13 04 03.60 +13 54 49.8 d 291
2002-01-14 13:11:23 C 13 04 03.90 +13 54 52.8 d 291
2002-01-21 10:28:29 C 13 11 34.10 +15 22 17.8 c 699
2002-01-21 11:02:24 C 13 11 35.17 +15 22 37.2 c 699
2002-01-21 11:36:18 C 13 11 36.31 +15 22 57.6 c 699
2002-01-21 12:10:15 C 13 11 37.32 +15 23 15.7 c 699
2002-02-21 07:51:06 C 13 04 38.01 +23 59 51.8 18.9 c 704
2002-02-21 08:11:43 C 13 04 36.74 +24 00 07.2 18.9 c 704
2002-02-21 08:32:20 C 13 04 35.48 +24 00 21.5 19.3 c 704
2002-02-21 08:53:21 C 13 04 34.21 +24 00 36.1 19.1 c 704
2002-02-21 09:14:05 C 13 04 32.93 +24 00 49.7 18.8 c 704
2002-02-21 12:08:20 C 13 04 22.05 +24 02 52.4 d 291
2002-02-21 12:14:16 C 13 04 21.68 +24 02 56.4 d 291
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)