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
2008-10-31 02:51:36 C 23 29 12.76 +41 01 25.8 r 703
2008-10-31 03:01:09 C 23 29 11.58 +41 01 26.0 r 703
2008-10-31 03:10:36 C 23 29 10.24 +41 01 24.5 r 703
2008-10-31 03:20:25 C 23 29 08.91 +41 01 24.5 r 703
2008-10-31 03:35:03 C 23 29 06.90 +41 01 23.9 r 703
2008-10-31 03:55:35 C 23 29 04.20 +41 01 22.5 r 703
2008-10-31 04:05:51 C 23 29 02.68 +41 01 23.1 r 703
2008-10-31 04:18:55 C 23 29 00.91 +41 01 22.0 r 703
2008-10-31 04:28:22 C 23 28 59.76 +41 01 21.7 r 703
2008-10-31 04:37:56 C 23 28 58.47 +41 01 21.0 r 703
2008-10-31 04:47:27 C 23 28 57.22 +41 01 20.7 r 703
2008-10-31 04:55:09 C 23 28 56.04 +41 01 19.7 v H01
2008-10-31 05:00:08 C 23 28 55.37 +41 01 19.4 v H01
2008-10-31 05:04:24 C 23 28 54.80 +41 01 19.1 v H01
2008-10-31 05:15:23 C 23 28 53.35 +41 01 18.4 v H01
2008-10-31 06:35:02 C 23 28 42.85 +41 01 13.3 r G96
2008-10-31 06:41:13 C 23 28 42.06 +41 01 12.7 r G96
2008-10-31 06:47:30 C 23 28 41.23 +41 01 12.3 r G96
2008-10-31 06:53:42 C 23 28 40.40 +41 01 11.6 r G96
2008-11-01 00:24:02 C 23 26 32.53 +41 00 08.7 o H55
2008-11-01 00:29:43 C 23 26 31.78 +41 00 08.5 o H55
2008-11-01 00:35:23 C 23 26 31.05 +41 00 08.5 o H55
2016-08-28 05:52:34 C 22 36 15.67 -02 01 34.2 q G96
2016-08-28 06:02:20 C 22 36 14.83 -02 01 34.0 q G96
2016-08-28 06:12:04 C 22 36 13.96 -02 01 33.9 q G96
2016-08-28 06:21:42 C 22 36 13.11 -02 01 34.3 q G96
2016-08-28 07:06:14 C 22 36 09.15 -02 01 34.3 q G96
2016-08-28 07:16:07 C 22 36 08.28 -02 01 34.4 q G96
2016-08-28 07:26:14 C 22 36 07.40 -02 01 34.9 q G96
2016-08-29 04:50:53 C 22 34 17.08 -02 01 52.8 u H21
2016-08-29 04:59:49 C 22 34 16.31 -02 01 52.9 u H21
2016-08-29 05:12:06 C 22 34 15.18 -02 01 53.2 u H21
2016-08-29 05:28:24 C 22 34 14.04 -02 01 52.3 q G96
2016-08-29 05:39:33 C 22 34 13.02 -02 01 52.9 q G96
2016-08-29 05:50:53 C 22 34 12.01 -02 01 52.5 q G96
2016-08-29 06:02:07 C 22 34 11.02 -02 01 52.8 q G96
2016-08-29 06:34:22 C 22 34 08.02 -02 01 53.4 t 705
2016-08-29 06:35:49 C 22 34 07.91 -02 01 53.3 t 705
2016-08-29 06:37:18 C 22 34 07.77 -02 01 53.3 t 705
2016-08-30 05:59:49 C 22 32 06.17 -02 02 19.6 q G96
2016-08-30 06:12:47 C 22 32 04.96 -02 02 19.6 q G96
2016-08-30 06:25:37 C 22 32 03.87 -02 02 19.8 q G96
2016-08-30 06:38:33 C 22 32 02.67 -02 02 20.2 q G96
2016-08-30 08:09:44 C 22 31 54.40 -02 02 22.3 q G96
2016-08-30 08:33:54 C 22 31 52.25 -02 02 22.6 q G96
2016-08-30 08:45:54 C 22 31 51.18 -02 02 23.1 q G96
2016-08-30 09:47:00 C 22 31 45.67 -02 02 24.4 q G96
2016-08-30 10:04:29 C 22 31 44.14 -02 02 25.2 q G96
2016-08-30 10:21:58 C 22 31 42.55 -02 02 24.8 q G96
2016-08-30 10:39:27 C 22 31 40.98 -02 02 25.2 q G96
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)