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
2000-01-03 14:27:15 C 06 16 43.60 +11 43 00.4 360
2000-01-03 14:30:29 C 06 16 43.28 +11 42 58.9 360
2000-01-04 05:32:38 C 06 15 17.13 +11 34 54.3 i 670
2000-01-04 06:31:45 C 06 15 11.31 +11 34 22.8 i 670
2000-01-04 07:10:38 C 06 15 07.48 +11 34 01.7 i 670
2000-01-04 21:59:36 C 06 13 42.39 +11 26 05.2 610
2000-01-04 22:05:36 C 06 13 41.80 +11 26 01.8 610
2000-01-04 22:11:35 C 06 13 41.20 +11 25 58.4 610
2000-01-04 22:17:36 C 06 13 40.61 +11 25 55.0 610
2000-01-04 22:23:36 C 06 13 40.01 +11 25 51.6 610
2000-01-06 22:01:03 C 06 09 06.93 +11 00 36.8 610
2000-01-06 22:07:02 C 06 09 06.35 +11 00 33.6 610
2000-01-06 22:13:03 C 06 09 05.77 +11 00 30.4 610
2000-01-06 22:19:03 C 06 09 05.19 +11 00 27.3 610
2000-01-06 22:25:02 C 06 09 04.60 +11 00 24.1 610
2000-01-07 05:36:16 C 06 08 23.67 +10 56 38.7 16.8 a 704
2000-01-07 05:57:33 C 06 08 21.56 +10 56 27.5 17.1 a 704
2000-01-07 06:18:35 C 06 08 19.51 +10 56 15.8 17.0 a 704
2000-01-07 06:18:44 C 06 08 19.52 +10 56 20.0 18.2 a 704
2000-01-07 06:39:45 C 06 08 17.45 +10 56 05.6 17.4 a 704
2000-01-07 07:01:06 C 06 08 15.36 +10 55 53.9 17.1 a 704
2000-01-11 05:29:57 C 05 59 23.64 +10 07 18.2 18.0 a 704
2000-01-11 05:51:37 C 05 59 21.64 +10 07 08.0 17.8 a 704
2000-01-11 06:13:01 C 05 59 19.50 +10 06 56.2 18.9 a 704
2000-01-11 06:34:39 C 05 59 17.49 +10 06 46.2 17.5 a 704
2000-01-11 06:55:58 C 05 59 15.54 +10 06 35.6 16.7 a 704
2000-01-21 18:59:11 C 05 38 01.82 +08 11 21.5 610
2000-01-21 19:06:11 C 05 38 01.28 +08 11 18.4 610
2000-01-21 19:13:11 C 05 38 00.75 +08 11 15.4 610
2000-01-21 19:19:03 C 05 38 00.30 +08 11 12.9 610
2000-01-21 19:26:03 C 05 37 59.76 +08 11 09.9 610
2000-01-24 19:11:55 C 05 32 53.67 +07 43 21.7 d 944
2000-01-24 19:17:36 C 05 32 53.28 +07 43 19.2 d 944
2000-01-24 19:22:35 C 05 32 52.97 +07 43 17.8 d 944
2000-01-24 19:58:03 C 05 32 50.48 +07 43 05.1 d 944
2000-01-24 20:08:02 C 05 32 49.74 +07 43 01.9 d 944
2000-01-25 02:33:35 C 05 32 23.83 +07 40 39.8 17.2 a 704
2000-01-25 02:55:36 C 05 32 22.31 +07 40 31.4 17.9 a 704
2000-01-25 03:17:34 C 05 32 20.80 +07 40 23.7 17.8 a 704
2000-01-25 03:39:21 C 05 32 19.29 +07 40 15.5 17.7 a 704
2000-01-25 04:01:15 C 05 32 17.74 +07 40 07.3 17.8 a 704
2000-01-25 18:25:56 C 05 31 20.80 +07 34 51.1 610
2000-01-25 18:32:56 C 05 31 20.32 +07 34 48.7 610
2000-01-25 18:39:56 C 05 31 19.84 +07 34 46.3 610
2000-01-25 18:46:56 C 05 31 19.36 +07 34 43.9 610
2000-01-25 18:53:57 C 05 31 18.88 +07 34 41.4 610
2000-01-26 03:43:41 C 05 30 44.31 +07 31 34.1 17.6 a 704
2000-01-26 04:06:10 C 05 30 42.91 +07 31 25.9 a 704
2000-01-26 04:28:06 C 05 30 41.40 +07 31 17.7 a 704
2000-01-27 11:20:30 C 05 28 45.21 +07 20 34.6 360
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)