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
2000-08-26 21:36:45 C 18 15 15.55 +29 04 26.0 544
2000-08-26 21:40:46 C 18 15 16.25 +29 04 21.3 544
2000-08-27 02:13:24 C 18 16 09.16 +28 59 05.1 i 726
2000-08-27 02:30:39 C 18 16 12.39 +28 58 44.9 i 726
2000-08-27 02:41:15 C 18 16 14.33 +28 58 32.4 i 726
2000-08-27 02:41:27 C 18 16 14.35 +28 58 35.0 i 739
2000-08-27 02:45:35 C 18 16 15.14 +28 58 30.2 i 739
2000-08-27 02:49:20 C 18 16 15.76 +28 58 25.7 i 739
2000-08-27 19:30:33 C 18 19 24.57 +28 38 48.0 118
2000-08-27 19:36:26 C 18 19 25.67 +28 38 41.3 118
2000-08-30 20:20:17 C 18 32 22.24 +27 14 17.4 c 628
2000-08-30 20:42:29 C 18 32 25.90 +27 13 52.5 c 628
2000-08-30 20:54:42 C 18 32 27.89 +27 13 37.6 c 628
2000-08-30 21:19:08 C 18 32 31.95 +27 13 09.4 c 628
2000-08-30 21:31:20 C 18 32 34.01 +27 12 54.9 c 628
2000-08-30 21:55:46 C 18 32 38.07 +27 12 27.6 c 628
2000-08-31 18:50:21 C 18 36 08.79 +26 48 37.2 071
2000-08-31 18:59:38 C 18 36 10.31 +26 48 25.5 071
2000-08-31 19:05:57 C 18 36 11.18 +26 48 19.6 071
2000-08-31 19:55:12 C 18 36 19.27 +26 47 21.3 d 557
2000-08-31 20:31:07 C 18 36 25.04 +26 46 40.1 d 557
2000-08-31 20:48:07 C 18 36 27.79 +26 46 20.5 d 557
2000-08-31 21:16:06 C 18 36 32.30 +26 45 48.4 d 557
2000-09-02 01:52:01 C 18 41 11.33 +26 13 35.0 i 739
2000-09-02 01:54:02 C 18 41 11.75 +26 13 31.0 i 739
2000-09-02 01:55:42 C 18 41 12.01 +26 13 29.0 i 739
2000-09-02 01:57:19 C 18 41 12.28 +26 13 27.3 i 739
2000-09-02 11:56:35 C 18 42 46.93 +26 02 16.2 m 349
2000-09-02 12:09:00 C 18 42 48.78 +26 02 02.1 m 349
2000-09-02 12:13:15 C 18 42 49.45 +26 01 57.1 m 349
2000-09-05 01:45:10 C 18 52 13.88 +24 54 03.8 i 739
2000-09-05 01:47:36 C 18 52 14.27 +24 54 01.2 i 739
2000-09-05 01:49:47 C 18 52 14.54 +24 53 59.1 i 739
2000-09-05 10:20:29 C 18 53 29.80 +24 44 47.5 360
2000-09-05 10:23:00 C 18 53 30.16 +24 44 44.6 360
2000-09-05 10:25:30 C 18 53 30.51 +24 44 42.0 360
2000-09-05 18:44:54 C 18 54 43.34 +24 35 37.4 z 151
2000-09-05 18:46:23 C 18 54 43.55 +24 35 36.7 z 151
2000-09-05 18:47:55 C 18 54 43.74 +24 35 34.4 z 151
2000-09-05 18:49:37 C 18 54 43.99 +24 35 33.0 z 151
2000-09-05 18:50:24 C 18 54 44.12 +24 35 32.2 z 151
2000-09-06 03:13:36 C 18 55 56.73 +24 26 36.8 17.1 c 704
2000-09-06 03:32:52 C 18 55 59.43 +24 26 16.5 16.2 c 704
2000-09-06 03:52:32 C 18 56 02.15 +24 25 55.1 15.9 c 704
2000-09-06 04:12:24 C 18 56 04.92 +24 25 33.6 16.0 c 704
2000-09-06 04:31:52 C 18 56 07.71 +24 25 11.4 17.0 c 704
2000-09-09 20:02:36 C 19 08 13.81 +22 53 37.1 118
2000-09-09 20:16:55 C 19 08 15.65 +22 53 22.2 118
2000-09-10 18:45:26 C 19 11 13.61 +22 30 37.4 118
2000-09-10 18:56:42 C 19 11 15.00 +22 30 26.0 118
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)