16834 (1997 WU22)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4421590203 ± 5.06e-09
Semi-major axis (a)1.4679035853 AU ± 1.60e-10
Inclination (i)15.99741496° ± 7.43e-07
Long. of Asc. Node (Ω)260.74744858° ± 2.68e-06
Arg. of Perihelion (ω)334.40245930° ± 2.68e-06
Mean Anomaly (M)109.14249919° ± 9.50e-07
Mean Motion (n)0.5541993082°/day ± 9.06e-11
Perihelion dist (q)0.81885677 AU ± 7.42e-09
Aphelion dist (Q)2.11695040 AU ± 7.42e-09
Orbital Period1.77846899 yr ± 2.91e-10
Physical Parameters
H (abs. magnitude)15.75
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.237″
Uncertainty0
Orbit TypeApollo
MOID0.147093 AU
Observations Used4437
Radar Obs Used1
Gaia Obs Used67
Oppositions12
Arc Total1988-2025
First Observation Used1988-10-08
Last Observation Used2025-12-16
Observations (4859)
Date Type RA Dec Mag Band Observatory
2024-12-23 12:34:26 C 08 47 51.150 +00 02 23.62 X F52
2024-12-23 12:54:56 C 08 47 50.675 +00 02 01.73 X F52
2024-12-24 07:15:09 C 08 47 28.118 -00 17 44.52 V 703
2024-12-24 07:18:24 C 08 47 28.036 -00 17 47.36 V 703
2024-12-24 07:21:40 C 08 47 27.942 -00 17 51.32 V 703
2024-12-24 07:24:56 C 08 47 27.877 -00 17 55.07 V 703
2024-12-24 11:59:20 C 08 47 21.593 -00 22 49.94 V T05
2024-12-24 12:01:56 C 08 47 21.530 -00 22 52.79 V T05
2024-12-24 12:45:04 C 08 47 20.419 -00 23 39.62 V T05
2024-12-24 12:49:38 C 08 47 20.302 -00 23 44.56 V T05
2024-12-24 21:44:44 C 08 47 08.568 -00 33 15.91 V M22
2024-12-24 21:49:59 C 08 47 08.426 -00 33 21.78 V M22
2024-12-24 21:57:51 C 08 47 08.237 -00 33 29.92 V M22
2024-12-24 22:12:15 C 08 47 07.870 -00 33 45.90 V M22
2024-12-26 08:58:50 C 08 46 14.905 -01 12 18.29 V G96
2024-12-26 09:06:20 C 08 46 14.682 -01 12 26.60 V G96
2024-12-26 09:13:50 C 08 46 14.452 -01 12 35.06 V G96
2024-12-26 09:21:18 C 08 46 14.225 -01 12 43.34 V G96
2024-12-27 05:42:49 C 08 45 39.919 -01 35 17.27 V W68
2024-12-27 05:46:04 C 08 45 39.826 -01 35 20.90 V W68
2024-12-27 06:24:56 C 08 45 38.551 -01 36 04.72 V W68
2024-12-27 06:35:29 C 08 45 38.198 -01 36 16.60 V W68
2024-12-28 11:39:02 C 08 44 44.179 -02 09 27.04 V T05
2024-12-28 11:41:38 C 08 44 44.086 -02 09 29.99 V T05
2024-12-28 11:46:12 C 08 44 43.925 -02 09 35.28 V T05
2024-12-28 12:10:16 B 08 44 43.56 -02 09 50.7 q Q73
2024-12-28 12:15:26 B 08 44 43.39 -02 09 56.7 q Q73
2024-12-28 12:20:36 B 08 44 43.22 -02 10 02.6 q Q73
2024-12-28 22:14:57 C 08 44 23.314 -02 21 40.39 V M52
2024-12-28 22:51:18 C 08 44 21.994 -02 22 22.37 V M52
2024-12-30 10:48:07 C 08 43 04.252 -03 04 05.21 X F51
2024-12-30 11:04:53 C 08 43 03.552 -03 04 24.87 X F51
2024-12-30 11:21:39 C 08 43 02.860 -03 04 44.53 X F51
2024-12-30 11:38:29 C 08 43 02.156 -03 05 04.30 X F51
2024-12-30 12:00:48 C 08 43 01.219 -03 05 30.30 V T08
2024-12-30 12:04:50 C 08 43 01.044 -03 05 35.02 V T08
2024-12-30 12:56:36 C 08 42 58.872 -03 06 35.82 V T08
2024-12-30 13:06:24 C 08 42 58.462 -03 06 47.30 V T08
2024-12-30 13:12:01 C 08 42 58.222 -03 06 53.93 V T08
2024-12-30 14:02:51 C 08 42 56.086 -03 07 53.54 V T08
2024-12-30 22:27:34 C 08 42 37.253 -03 17 52.15 V M52
2024-12-30 23:00:36 C 08 42 35.849 -03 18 30.82 V M52
2024-12-31 06:47:49 C 08 42 16.759 -03 27 28.26 V W68
2024-12-31 06:55:45 C 08 42 16.414 -03 27 37.62 V W68
2024-12-31 06:57:19 C 08 42 16.837 -03 27 53.42 V 703
2024-12-31 07:00:40 C 08 42 16.682 -03 27 57.13 V 703
2024-12-31 07:04:00 C 08 42 16.549 -03 28 01.38 V 703
2024-12-31 07:07:20 C 08 42 16.427 -03 28 05.45 V 703
2024-12-31 07:46:41 C 08 42 14.179 -03 28 37.96 V W68
2024-12-31 08:22:03 C 08 42 12.634 -03 29 19.82 V W68
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2000-07-22 21:46:00 226599087.9 12 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)