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
2015-10-14 11:43:39 C 07 02 55.53 +24 43 35.8 R G45
2015-10-14 11:52:03 C 07 02 55.87 +24 43 34.2 R G45
2015-10-14 11:58:56 C 07 02 56.14 +24 43 31.9 R G45
2015-10-16 19:37:03 C 07 05 08.29 +24 29 58.7 q D29
2015-10-16 19:58:38 C 07 05 09.06 +24 29 53.7 q D29
2015-10-16 20:22:45 C 07 05 09.97 +24 29 47.4 q D29
2015-10-17 11:34:44 C 07 05 44.57 +24 26 01.4 R G45
2015-10-17 11:43:28 C 07 05 44.87 +24 25 59.3 R G45
2015-10-17 11:51:13 C 07 05 45.17 +24 25 57.4 R G45
2015-10-17 12:07:40 C 07 05 45.74 +24 25 53.3 R G45
2015-10-17 12:16:06 C 07 05 46.03 +24 25 51.4 R G45
2015-10-23 11:33:00 C 07 10 41.65 +23 48 55.0 R G45
2015-10-23 11:41:24 C 07 10 41.86 +23 48 52.8 R G45
2015-10-23 11:50:05 C 07 10 42.14 +23 48 50.4 R G45
2015-10-23 12:12:53 C 07 10 42.81 +23 48 44.2 R G45
2015-10-23 12:21:48 C 07 10 43.09 +23 48 41.6 R G45
2015-11-06 11:37:51 C 07 18 01.27 +22 12 10.9 R G45
2015-11-06 11:57:06 C 07 18 01.47 +22 12 04.9 R G45
2015-11-06 12:06:31 C 07 18 01.56 +22 12 01.9 R G45
2015-11-06 12:06:37 C 07 18 01.56 +22 12 01.9 R G45
2015-11-06 12:13:51 C 07 18 01.54 +22 11 58.3 R G45
2015-11-06 12:15:38 C 07 18 01.59 +22 11 58.4 R G45
2015-11-06 12:22:40 C 07 18 01.62 +22 11 56.4 R G45
2015-11-06 12:24:31 C 07 18 01.64 +22 11 55.9 R G45
2015-11-06 12:31:33 C 07 18 01.85 +22 11 53.0 R G45
2015-11-08 10:27:16 C 07 18 29.47 +21 57 31.8 R G45
2015-11-08 10:27:22 C 07 18 29.47 +21 57 32.2 R G45
2015-11-08 10:32:45 C 07 18 29.49 +21 57 30.2 R G45
2015-11-08 10:35:43 C 07 18 29.51 +21 57 29.2 R G45
2015-11-08 10:41:00 C 07 18 29.55 +21 57 27.4 R G45
2015-11-08 10:41:06 C 07 18 29.57 +21 57 27.7 R G45
2015-11-08 10:49:15 C 07 18 29.61 +21 57 25.1 R G45
2015-11-08 10:57:15 C 07 18 29.66 +21 57 22.5 R G45
2015-11-09 19:12:38 C 07 18 43.67 +21 47 06.4 q D29
2015-11-09 19:35:29 C 07 18 43.76 +21 46 59.5 q D29
2015-11-13 18:40:18 C 07 18 58.01 +21 15 50.0 q D29
2015-11-13 19:00:37 C 07 18 57.96 +21 15 44.9 q D29
2015-11-13 19:20:56 C 07 18 57.90 +21 15 36.8 q D29
2015-11-20 10:31:45 C 07 17 44.93 +20 20 18.2 q H45
2015-11-20 10:33:39 C 07 17 44.92 +20 20 17.0 q H45
2015-11-20 10:35:50 C 07 17 44.85 +20 20 16.8 q H45
2015-11-20 10:37:21 C 07 17 44.84 +20 20 16.2 q H45
2015-11-20 10:38:33 C 07 17 44.83 +20 20 15.9 q H45
2015-11-20 10:40:36 C 07 17 44.80 +20 20 14.9 q H45
2015-11-21 09:13:56 C 07 17 24.40 +20 12 04.8 R G45
2015-11-21 09:14:02 C 07 17 24.37 +20 12 04.3 R G45
2015-11-21 09:21:42 C 07 17 24.27 +20 12 01.9 R G45
2015-11-21 09:47:35 C 07 17 23.78 +20 11 52.1 R G45
2015-11-21 10:00:44 C 07 17 23.53 +20 11 47.6 R G45
2015-11-21 10:08:27 C 07 17 23.40 +20 11 44.7 R G45
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)