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
2016-12-02 02:17:50 C 22 06 31.03 +01 28 43.3 o 291
2017-01-09 02:22:33 C 23 29 28.32 +09 13 32.4 o 695
2017-01-09 02:46:56 C 23 29 31.01 +09 13 47.5 o 695
2017-01-09 03:11:20 C 23 29 33.65 +09 14 01.9 o 695
2017-03-29 03:21:31 C 04 36 22.89 +22 54 37.1 o 291
2017-03-29 03:38:54 C 04 36 26.46 +22 54 32.6 o 291
2021-08-15 08:32:08 C 01 16 07.40 +17 48 30.0 u H21
2021-08-15 08:40:11 C 01 16 07.57 +17 48 35.9 u H21
2021-08-15 08:50:15 C 01 16 07.83 +17 48 44.2 u H21
2021-09-05 10:16:45 C 01 20 58.783 +24 51 44.90 U F52
2021-09-05 10:34:16 C 01 20 58.524 +24 52 00.77 U F52
2021-09-05 10:51:45 C 01 20 58.276 +24 52 16.67 U F52
2021-09-06 10:50:41 C 01 20 39.99 +25 13 44.0 V G96
2021-09-06 10:58:58 C 01 20 39.81 +25 13 51.3 V G96
2021-09-06 11:09:15 C 01 20 39.66 +25 14 00.2 V G96
2021-09-06 11:21:23 C 01 20 39.43 +25 14 11.4 V G96
2021-09-26 09:19:54 C 01 00 30.849 +32 30 37.71 U F52
2021-09-26 09:29:58 C 01 00 30.035 +32 30 46.75 U F52
2021-09-26 09:40:05 C 01 00 29.208 +32 30 55.76 U F52
2021-09-26 09:50:09 C 01 00 28.391 +32 31 04.84 U F52
2021-09-26 13:49:38 C 01 00 09.047 +32 34 33.79 U F51
2021-09-26 14:00:49 C 01 00 08.160 +32 34 43.33 U F51
2021-09-26 14:12:02 C 01 00 07.265 +32 34 52.74 U F51
2021-09-27 12:48:46 C 00 58 22.961 +32 54 41.31 U F52
2021-09-27 13:01:36 C 00 58 21.873 +32 54 51.97 U F52
2021-09-27 13:27:09 C 00 58 19.718 +32 55 13.79 U F52
2021-09-29 08:11:22 C 00 54 50.906 +33 31 53.34 U F52
2021-09-29 08:28:42 C 00 54 49.345 +33 32 08.40 U F52
2021-09-29 08:46:00 C 00 54 47.774 +33 32 23.46 U F52
2021-10-10 22:39:06 C 00 25 42.64 +36 54 55.0 V K38
2021-10-10 22:57:24 C 00 25 40.34 +36 55 05.4 V K38
2021-10-10 23:15:41 C 00 25 37.99 +36 55 15.7 V K38
2021-10-11 05:51:55 C 00 24 50.22 +36 59 09.8 V 703
2021-10-11 05:59:34 C 00 24 49.27 +36 59 12.8 V 703
2021-10-11 06:07:13 C 00 24 48.33 +36 59 18.0 V 703
2021-10-11 20:50:02 C 00 23 00.39 +37 07 26.7 Z C95
2021-10-11 20:56:50 C 00 22 59.62 +37 07 31.7 Z C95
2021-10-11 21:03:36 C 00 22 58.81 +37 07 33.8 Z C95
2021-10-11 21:10:23 C 00 22 57.82 +37 07 38.9 Z C95
2021-10-14 06:12:49 C 00 15 48.858 +37 36 57.46 U F51
2021-10-14 06:23:59 C 00 15 47.369 +37 37 03.16 U F51
2021-10-14 06:35:09 C 00 15 45.873 +37 37 08.73 U F51
2021-10-14 06:46:20 C 00 15 44.381 +37 37 14.54 U F51
2021-10-23 22:06:30 C 23 45 23.02 +38 46 45.2 V L01
2021-10-23 22:09:00 C 23 45 22.67 +38 46 45.5 V L01
2021-10-23 22:11:29 C 23 45 22.33 +38 46 45.9 V L01
2021-10-24 05:21:46 C 23 44 26.62 +38 47 44.7 V G96
2021-10-24 05:29:24 C 23 44 25.57 +38 47 45.4 V G96
2021-10-24 05:37:00 C 23 44 24.51 +38 47 46.5 V G96
2021-10-24 05:44:33 C 23 44 23.46 +38 47 47.5 V 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)