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
2022-01-22 02:13:36 C 23 46 12.93 +32 34 26.6 V 703
2022-01-25 18:52:23 C 23 56 35.06 +31 41 12.4 Z K19
2022-01-25 18:58:26 C 23 56 35.74 +31 41 06.0 Z K19
2022-01-25 19:04:47 C 23 56 36.40 +31 41 01.7 Z K19
2022-02-05 02:06:32 C 00 34 22.81 +26 25 35.5 o 691
2022-02-05 02:27:42 C 00 34 26.54 +26 24 49.7 o 691
2022-02-05 02:46:21 C 00 34 29.87 +26 24 08.1 o 691
2022-02-14 02:40:53 C 01 28 10.01 +13 46 27.4 V 703
2022-02-14 02:56:04 C 01 28 14.73 +13 45 03.8 V 703
2022-02-14 03:03:41 C 01 28 17.18 +13 44 21.6 V 703
2022-02-19 03:00:44 C 02 14 55.71 -00 44 43.8 V U52
2022-02-19 03:03:04 C 02 14 56.75 -00 45 04.1 V U52
2022-02-19 03:05:23 C 02 14 57.79 -00 45 25.0 V U52
2022-02-19 03:11:44 C 02 15 00.54 -00 46 22.9 V U52
2022-02-19 03:14:03 C 02 15 01.50 -00 46 44.5 V U52
2022-02-19 03:16:22 C 02 15 02.37 -00 47 05.1 V U52
2022-03-02 01:35:31 C 05 04 15.84 -42 34 24.3 V W68
2022-03-02 01:39:35 C 05 04 18.81 -42 34 49.2 V W68
2022-03-02 01:46:50 C 05 04 24.12 -42 35 33.1 V W68
2022-03-02 02:04:42 C 05 04 37.19 -42 37 20.8 V W68
2022-03-03 01:37:41 C 05 22 44.80 -44 54 09.5 V W68
2022-03-03 01:41:40 C 05 22 47.68 -44 54 29.8 V W68
2022-03-03 01:48:54 C 05 22 52.90 -44 55 06.6 V W68
2022-03-03 02:11:33 C 05 23 09.35 -44 57 01.9 V W68
2022-03-05 22:03:40 S 06 13 31.370 -49 35 42.97 L C51
2022-03-06 01:11:48 S 06 15 44.131 -49 45 05.04 L C51
2022-04-16 19:37:11 C 10 39 12.73 -43 52 48.1 V M21
2022-04-16 20:29:05 C 10 39 17.53 -43 52 04.5 V M21
2024-07-27 10:37:40 C 21 19 09.186 -21 27 21.19 X F51
2024-07-27 10:54:44 C 21 19 07.736 -21 27 21.75 X F51
2024-07-27 11:11:46 C 21 19 06.301 -21 27 23.12 X F51
2024-07-27 11:28:47 C 21 19 04.842 -21 27 24.33 X F51
2024-08-08 09:16:29 C 20 54 32.674 -21 35 25.40 X F52
2024-08-08 09:33:35 C 20 54 31.135 -21 35 25.15 X F52
2024-08-08 09:50:43 C 20 54 29.594 -21 35 25.11 X F52
2024-08-08 10:07:46 C 20 54 28.054 -21 35 24.72 X F52
2024-08-12 09:26:15 C 20 46 17.003 -21 32 23.24 X F52
2024-08-12 09:40:27 C 20 46 15.753 -21 32 22.45 X F52
2024-08-12 09:54:37 C 20 46 14.514 -21 32 21.91 X F52
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)