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
2000-08-10 03:04:16 C 16 27 28.59 +36 16 17.8 i 726
2000-08-10 03:09:17 C 16 27 30.35 +36 16 14.3 i 726
2000-08-10 03:14:17 C 16 27 32.17 +36 16 10.2 i 726
2000-08-10 03:19:16 C 16 27 33.98 +36 16 06.9 i 726
2000-08-10 03:29:17 C 16 27 37.57 +36 15 59.3 i 726
2000-08-10 04:19:51 C 16 27 56.26 +36 15 30.0 i 650
2000-08-10 04:32:45 C 16 28 00.87 +36 15 20.3 i 650
2000-08-10 04:43:29 C 16 28 04.69 +36 15 11.8 i 650
2000-08-12 21:04:46 C 16 50 25.15 +35 20 55.7 z 151
2000-08-12 21:06:57 C 16 50 25.84 +35 20 53.5 z 151
2000-08-12 21:08:38 C 16 50 26.40 +35 20 52.1 z 151
2000-08-12 21:10:28 C 16 50 26.97 +35 20 50.2 z 151
2000-08-12 21:19:02 C 16 50 29.77 +35 20 42.0 z 151
2000-08-12 21:23:40 C 16 50 31.24 +35 20 37.6 z 151
2000-08-14 03:57:37 C 17 00 19.57 +34 51 25.3 c 670
2000-08-14 06:17:21 C 17 01 01.99 +34 49 02.7 c 670
2000-08-14 21:19:50 C 17 05 39.53 +34 33 44.1 c 113
2000-08-14 21:24:14 C 17 05 40.85 +34 33 38.8 c 113
2000-08-14 21:30:56 C 17 05 42.84 +34 33 31.8 c 113
2000-08-14 23:53:51 C 17 06 26.28 +34 31 41.3 860
2000-08-14 23:56:11 C 17 06 26.98 +34 31 39.3 860
2000-08-14 23:58:30 C 17 06 27.73 +34 31 36.2 860
2000-08-15 04:58:50 C 17 07 57.84 +34 26 01.8 c 670
2000-08-15 06:46:37 C 17 08 29.29 +34 24 06.4 c 670
2000-08-16 02:42:19 C 17 14 20.99 +34 03 05.7 i 726
2000-08-16 02:47:18 C 17 14 22.37 +34 03 00.2 i 726
2000-08-16 02:52:19 C 17 14 23.78 +34 02 54.9 i 726
2000-08-16 03:03:25 C 17 14 26.92 +34 02 42.7 i 726
2000-08-16 03:08:26 C 17 14 28.32 +34 02 37.7 i 726
2000-08-16 03:13:26 C 17 14 29.74 +34 02 32.0 i 726
2000-08-16 05:00:09 C 17 15 00.48 +34 00 36.9 642
2000-08-16 05:03:08 C 17 15 01.39 +34 00 33.4 642
2000-08-16 05:06:06 C 17 15 02.18 +34 00 31.8 642
2000-08-17 03:35:41 C 17 21 22.77 +33 36 16.4 i 650
2000-08-17 03:46:40 C 17 21 25.66 +33 36 03.7 i 650
2000-08-17 03:57:23 C 17 21 28.55 +33 35 52.0 i 650
2000-08-17 19:33:31 C 17 25 43.61 +33 18 28.4 118
2000-08-17 19:35:17 C 17 25 44.06 +33 18 26.4 118
2000-08-18 19:31:46 C 17 32 03.13 +32 51 29.5 d 557
2000-08-18 19:48:00 C 17 32 07.22 +32 51 10.8 d 557
2000-08-18 20:12:21 C 17 32 13.37 +32 50 43.1 d 557
2000-08-18 21:36:16 C 17 32 34.56 +32 49 05.6 d 557
2000-08-18 21:44:21 C 17 32 36.61 +32 48 56.4 d 557
2000-08-19 02:08:51 C 17 33 45.46 +32 44 02.8 i 739
2000-08-19 02:12:21 C 17 33 46.27 +32 43 59.3 i 739
2000-08-19 02:17:13 C 17 33 47.48 +32 43 54.0 i 739
2000-08-19 19:27:08 C 17 38 06.93 +32 24 10.2 d 557
2000-08-19 20:08:59 C 17 38 17.08 +32 23 25.5 157
2000-08-19 20:20:30 C 17 38 19.85 +32 23 12.1 157
2000-08-19 20:26:50 C 17 38 21.39 +32 23 04.8 157
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)