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
2016-08-31 05:56:05 C 22 30 00.53 -02 02 54.2 q G96
2016-08-31 06:06:25 C 22 29 59.56 -02 02 53.6 q G96
2016-08-31 06:07:18 C 22 29 59.52 -02 02 54.0 q G96
2016-08-31 06:16:50 C 22 29 58.62 -02 02 55.6 q G96
2016-08-31 06:17:44 C 22 29 58.60 -02 02 55.0 q G96
2016-08-31 06:27:14 C 22 29 57.70 -02 02 55.6 q G96
2016-08-31 06:28:07 C 22 29 57.62 -02 02 55.3 q G96
2016-09-03 03:02:36 C 22 23 54.49 -02 05 17.4 q H21
2016-09-03 03:16:42 C 22 23 53.15 -02 05 18.5 q H21
2016-09-03 04:55:34 C 22 23 44.45 -02 05 21.5 o 691
2016-09-03 05:09:02 C 22 23 43.15 -02 05 21.5 o 691
2016-09-03 05:22:38 C 22 23 41.95 -02 05 21.9 o 691
2016-09-03 08:19:12 C 22 23 25.66 -02 05 29.4 o 291
2016-09-03 08:22:16 C 22 23 25.49 -02 05 29.5 o 291
2016-09-03 08:25:20 C 22 23 25.20 -02 05 29.8 o 291
2016-09-04 03:33:56 C 22 21 43.81 -02 06 21.5 q H21
2016-09-04 03:50:32 C 22 21 42.36 -02 06 22.2 q H21
2016-09-04 04:07:05 C 22 21 40.81 -02 06 22.7 q H21
2016-09-06 03:04:00 C 22 17 31.39 -02 08 41.3 q H21
2016-09-06 03:19:16 C 22 17 30.04 -02 08 42.2 q H21
2016-09-10 06:01:18 C 22 08 52.98 -02 14 26.4 o 691
2016-09-10 06:10:55 C 22 08 52.16 -02 14 26.5 o 691
2016-09-10 06:20:33 C 22 08 51.27 -02 14 27.2 o 691
2016-09-20 04:48:15 C 21 49 57.05 -02 29 58.3 u 807
2016-09-20 04:53:47 C 21 49 56.66 -02 29 58.4 u 807
2016-09-20 04:59:17 C 21 49 56.25 -02 29 58.8 u 807
2016-09-25 04:02:24 C 21 42 07.41 -02 37 07.9 o 291
2016-09-25 04:10:43 C 21 42 06.89 -02 37 08.7 o 291
2016-09-25 04:19:04 C 21 42 06.37 -02 37 09.0 o 291
2016-09-26 04:47:40 C 21 40 39.66 -02 38 22.6 o 291
2016-09-26 04:56:00 C 21 40 39.15 -02 38 23.0 o 291
2016-09-26 05:04:18 C 21 40 38.61 -02 38 23.6 o 291
2016-10-02 05:15:19 C 21 33 23.19 -02 43 43.4 o 291
2016-10-02 05:22:47 C 21 33 22.84 -02 43 43.5 o 291
2016-10-02 05:30:14 C 21 33 22.50 -02 43 44.0 o 291
2016-10-04 04:28:35 C 21 31 29.50 -02 44 37.8 o 291
2016-10-04 04:37:18 C 21 31 29.11 -02 44 38.5 o 291
2016-10-04 04:46:00 C 21 31 28.75 -02 44 38.6 o 291
2016-10-22 00:35:52 C 21 24 58.02 -02 28 21.2 u H21
2016-10-22 00:53:26 C 21 24 58.09 -02 28 19.8 u H21
2016-10-22 01:17:08 C 21 24 58.16 -02 28 17.3 u H21
2016-10-22 01:42:23 C 21 24 58.52 -02 28 14.2 o 291
2016-10-22 02:50:02 C 21 24 58.74 -02 28 07.4 o 291
2016-11-03 00:24:55 C 21 30 12.26 -01 48 58.8 u 807
2016-11-03 00:37:06 C 21 30 12.59 -01 48 56.9 u 807
2016-11-03 00:49:05 C 21 30 12.95 -01 48 54.7 u 807
2016-11-18 03:45:24 C 21 45 34.06 -00 24 19.9 o 291
2016-11-18 03:57:55 C 21 45 34.72 -00 24 16.4 o 291
2016-11-18 04:10:24 C 21 45 35.35 -00 24 12.9 o 291
2016-12-02 02:01:37 C 22 06 29.91 +01 28 36.0 o 291
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)