869521 (2016 QJ44)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3179324163 ± 1.34e-08
Semi-major axis (a)1.3839241389 AU ± 2.04e-09
Inclination (i)10.43298311° ± 3.40e-06
Long. of Asc. Node (Ω)323.02065363° ± 5.65e-06
Arg. of Perihelion (ω)160.62549415° ± 6.79e-06
Mean Anomaly (M)121.74053941° ± 2.10e-06
Mean Motion (n)0.6054019973°/day ± 1.34e-09
Perihelion dist (q)0.94392979 AU ± 1.86e-08
Aphelion dist (Q)1.82391848 AU ± 1.88e-08
Orbital Period1.62805258 yr ± 3.59e-09
Physical Parameters
H (abs. magnitude)20.24
G (slope)0.15
Alternative Designations

2008 UV99

Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.345″
Uncertainty0
Orbit TypeApollo
MOID0.027790 AU
Observations Used220
Radar Obs Used5
Oppositions5
Arc Total2008-2024
First Observation Used2008-10-31
Last Observation Used2024-08-12
Observations (239)
Date Type RA Dec Mag Band Observatory
2021-10-24 06:06:55 C 23 44 20.40 +38 47 48.6 V 703
2021-10-24 06:14:31 C 23 44 19.28 +38 47 50.6 V 703
2021-10-24 06:22:06 C 23 44 18.36 +38 47 52.3 V 703
2021-10-24 06:29:42 C 23 44 17.35 +38 47 52.2 V 703
2021-10-26 19:21:44 C 23 36 29.51 +38 52 10.2 V B67
2021-10-26 19:29:52 C 23 36 28.44 +38 52 10.3 V B67
2021-10-26 19:38:00 C 23 36 27.35 +38 52 10.7 V B67
2021-10-26 19:46:05 C 23 36 26.31 +38 52 10.8 V B67
2021-10-29 06:20:45 C 23 29 10.608 +38 51 46.45 U F51
2021-10-29 06:37:08 C 23 29 08.486 +38 51 46.02 U F51
2021-10-29 06:53:28 C 23 29 06.362 +38 51 45.41 U F51
2021-11-04 03:09:42 C 23 13 13.28 +38 33 39.1 V G96
2021-11-04 03:18:00 C 23 13 12.33 +38 33 37.5 V G96
2021-11-04 03:26:18 C 23 13 11.39 +38 33 35.9 V G96
2021-11-04 03:34:45 C 23 13 10.46 +38 33 34.3 V G96
2021-11-05 03:51:54 C 23 10 41.01 +38 28 29.0 V 703
2021-11-05 03:59:58 C 23 10 40.38 +38 28 27.1 V 703
2021-11-05 04:08:06 C 23 10 39.58 +38 28 26.4 V 703
2021-11-06 03:07:22 C 23 08 23.89 +38 23 11.3 V 703
2021-11-06 03:16:02 C 23 08 22.95 +38 23 09.6 V 703
2021-11-06 03:24:50 C 23 08 21.99 +38 23 07.8 V 703
2021-11-06 20:58:34 C 23 06 40.58 +38 18 44.0 V 595
2021-11-06 21:26:08 C 23 06 37.89 +38 18 36.3 V 595
2021-11-09 18:24:23 C 23 00 32.47 +38 00 04.6 V L38
2021-11-09 20:05:50 C 23 00 23.46 +37 59 35.3 V L38
2021-11-11 04:37:23 C 22 57 48.336 +37 50 18.69 V T12
2021-11-11 04:38:07 C 22 57 48.271 +37 50 18.42 V T12
2021-11-11 04:39:39 C 22 57 48.136 +37 50 18.06 V T12
2021-11-11 04:40:25 C 22 57 48.078 +37 50 17.86 V T12
2021-11-11 18:08:41 C 22 56 46.06 +37 46 01.9 V B72
2021-11-11 18:52:16 C 22 56 42.54 +37 45 48.2 V B72
2021-11-11 18:55:16 C 22 56 42.30 +37 45 47.0 V B72
2021-11-12 05:07:14 C 22 55 57.295 +37 42 54.78 U F52
2021-11-12 05:23:59 C 22 55 55.915 +37 42 49.86 U F52
2021-11-12 05:40:47 C 22 55 54.528 +37 42 44.81 U F52
2021-11-18 23:10:24 C 22 46 10.89 +36 51 13.5 V 204
2021-11-18 23:35:20 C 22 46 09.70 +36 51 04.4 V 204
2021-12-12 03:44:12 C 22 41 33.00 +34 36 43.7 V G96
2021-12-12 03:50:27 C 22 41 33.11 +34 36 42.5 V G96
2021-12-12 03:56:43 C 22 41 33.23 +34 36 41.5 V G96
2021-12-12 04:02:59 C 22 41 33.35 +34 36 40.3 V G96
2022-01-13 18:30:11 C 23 26 30.36 +33 37 18.5 Z K19
2022-01-13 18:47:29 C 23 26 31.77 +33 37 14.2 Z K19
2022-01-13 19:04:45 C 23 26 33.17 +33 37 09.4 Z K19
2022-01-15 18:39:27 C 23 30 52.80 +33 27 12.5 V 204
2022-01-15 18:59:05 C 23 30 54.50 +33 27 06.6 V 204
2022-01-15 19:18:44 C 23 30 56.21 +33 27 01.1 V 204
2022-01-22 01:50:21 C 23 46 10.82 +32 34 39.7 V 703
2022-01-22 01:58:07 C 23 46 11.51 +32 34 36.2 V 703
2022-01-22 02:05:52 C 23 46 12.23 +32 34 31.7 V 703
Radar Observations (5)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2022-02-22 03:00:00 82873.423 1.5 Hz 8560 -14 -14
2022-02-22 03:30:00 51134534.41 10 us 8560 -14 -14
2022-02-22 03:50:00 51123465.7 2 us 8560 -14 -14
2022-02-22 21:40:00 50543357.909 1 us 8560 -14 -14
2022-02-25 02:50:00 50341477.38 2 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)