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
2024-11-11 19:54:22 C 08 30 51.98 +13 31 36.2 V D29
2024-11-11 20:14:44 C 08 30 52.83 +13 31 24.0 V D29
2024-11-11 20:35:06 C 08 30 53.67 +13 31 11.8 V D29
2024-11-12 13:43:19 C 08 31 37.879 +13 20 49.34 V T05
2024-11-12 13:46:34 C 08 31 37.978 +13 20 47.90 V T05
2024-11-12 13:51:08 C 08 31 38.194 +13 20 45.24 V T05
2024-11-12 13:59:01 C 08 31 38.539 +13 20 39.95 V T05
2024-11-14 09:49:57 C 08 33 28.307 +12 53 37.72 V G96
2024-11-14 09:57:20 C 08 33 28.588 +12 53 33.18 V G96
2024-11-14 10:04:41 C 08 33 28.894 +12 53 28.57 V G96
2024-11-14 10:12:04 C 08 33 29.185 +12 53 24.00 V G96
2024-11-15 09:56:32 C 08 34 26.767 +12 38 30.41 V G96
2024-11-15 10:03:55 C 08 34 27.052 +12 38 25.98 V G96
2024-11-15 10:11:18 C 08 34 27.332 +12 38 21.19 V G96
2024-11-15 10:18:42 C 08 34 27.617 +12 38 16.48 V G96
2024-11-16 12:51:07 C 08 35 30.386 +12 21 25.16 V T05
2024-11-16 13:24:47 C 08 35 31.692 +12 21 03.56 V T05
2024-11-16 13:27:23 C 08 35 31.846 +12 21 02.23 V T05
2024-11-16 13:33:58 C 08 35 32.016 +12 20 58.49 V T05
2024-11-16 13:41:26 C 08 35 32.333 +12 20 52.37 V T08
2024-11-16 13:44:49 C 08 35 32.465 +12 20 50.64 V T08
2024-11-16 13:54:04 C 08 35 32.863 +12 20 44.56 V T08
2024-11-16 14:14:14 C 08 35 33.574 +12 20 32.46 V T08
2024-11-22 13:30:55 C 08 40 41.342 +10 45 02.92 V T05
2024-11-22 13:33:33 C 08 40 41.405 +10 45 00.90 V T05
2024-11-22 13:38:07 C 08 40 41.568 +10 44 57.80 V T05
2024-11-22 14:05:30 C 08 40 42.386 +10 44 39.48 V T05
2024-11-25 07:56:29 C 08 42 44.837 +09 58 16.57 V W68
2024-11-25 07:57:47 C 08 42 44.880 +09 58 16.18 V W68
2024-11-25 08:05:46 C 08 42 45.108 +09 58 10.34 V W68
2024-11-25 08:06:25 C 08 42 45.110 +09 58 09.59 V W68
2024-11-25 08:08:22 C 08 42 45.158 +09 58 08.33 V W68
2024-11-25 08:10:58 C 08 42 45.240 +09 58 06.31 V W68
2024-11-25 08:30:29 C 08 42 45.785 +09 57 52.16 V W68
2024-11-25 08:32:43 C 08 42 45.840 +09 57 51.34 V W68
2024-11-26 12:11:16 C 08 43 33.581 +09 37 42.35 V T05
2024-11-26 12:13:56 C 08 43 33.677 +09 37 40.58 V T05
2024-11-26 12:18:00 C 08 43 33.727 +09 37 37.67 V T05
2024-11-26 12:32:40 C 08 43 34.109 +09 37 26.54 V T05
2024-11-28 12:22:23 C 08 44 50.545 +09 02 02.76 X F51
2024-11-28 12:39:04 C 08 44 50.936 +09 01 50.31 X F51
2024-11-28 12:55:44 C 08 44 51.324 +09 01 37.83 X F51
2024-11-29 01:09:05 B 08 45 09.68 +08 52 22.4 X K19
2024-11-29 01:14:13 B 08 45 09.79 +08 52 18.6 X K19
2024-11-29 01:19:23 B 08 45 09.91 +08 52 15.0 X K19
2024-11-30 11:59:14 C 08 45 59.182 +08 25 50.34 V T05
2024-11-30 12:03:17 C 08 45 59.273 +08 25 47.32 V T05
2024-11-30 12:32:24 C 08 45 59.863 +08 25 24.82 V T05
2024-11-30 12:36:20 C 08 45 59.962 +08 25 22.01 V T05
2024-12-03 07:15:57 C 08 47 22.512 +07 33 06.19 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)