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
2024-12-03 07:20:32 C 08 47 22.608 +07 33 03.17 V W68
2024-12-03 07:25:06 C 08 47 22.654 +07 32 59.32 V W68
2024-12-03 07:40:49 C 08 47 22.922 +07 32 46.90 V W68
2024-12-03 08:29:06 C 08 47 23.731 +07 32 08.02 V W68
2024-12-03 11:04:28 C 08 47 26.498 +07 29 56.15 V 703
2024-12-03 11:11:07 C 08 47 26.714 +07 29 50.57 V 703
2024-12-03 11:14:27 C 08 47 26.768 +07 29 46.46 V 703
2024-12-04 13:02:10 C 08 47 54.180 +07 08 56.17 X F51
2024-12-04 13:36:01 C 08 47 54.668 +07 08 28.64 X F51
2024-12-04 13:56:30 C 08 47 54.960 +07 08 11.95 X F51
2024-12-07 07:01:46 C 08 48 52.226 +06 14 14.50 V W68
2024-12-07 07:06:19 C 08 48 52.274 +06 14 10.43 V W68
2024-12-07 07:10:54 C 08 48 52.330 +06 14 07.04 V W68
2024-12-07 07:24:32 C 08 48 52.478 +06 13 55.60 V W68
2024-12-08 11:05:57 C 08 49 11.851 +05 50 08.34 V T05
2024-12-08 11:55:10 C 08 49 12.283 +05 49 26.18 V T05
2024-12-08 12:13:19 C 08 49 12.430 +05 49 10.42 V T05
2024-12-08 12:18:46 C 08 49 12.461 +05 49 05.92 V T05
2024-12-09 00:47:19 C 08 49 19.918 +05 38 26.92 V M22
2024-12-09 00:51:52 C 08 49 19.934 +05 38 23.17 V M22
2024-12-09 00:57:06 C 08 49 19.978 +05 38 18.28 V M22
2024-12-09 01:11:17 C 08 49 20.086 +05 38 06.07 V M22
2024-12-10 13:09:34 C 08 49 37.930 +05 06 23.65 V T08
2024-12-10 13:15:30 C 08 49 37.954 +05 06 18.40 V T08
2024-12-10 13:32:47 C 08 49 38.035 +05 06 02.99 V T08
2024-12-10 14:13:47 C 08 49 38.218 +05 05 26.52 V T08
2024-12-12 12:06:02 C 08 49 52.903 +04 24 09.29 V T05
2024-12-12 12:08:38 C 08 49 52.903 +04 24 06.48 V T05
2024-12-12 12:13:52 C 08 49 52.908 +04 24 01.73 V T05
2024-12-12 12:25:00 C 08 49 52.927 +04 23 51.58 V T05
2024-12-14 08:13:33 C 08 49 57.666 +03 43 18.01 V G96
2024-12-14 08:21:00 C 08 49 57.648 +03 43 11.03 V G96
2024-12-14 08:28:28 C 08 49 57.637 +03 43 04.12 V G96
2024-12-14 08:35:55 C 08 49 57.623 +03 42 57.20 V G96
2024-12-14 11:08:38 C 08 49 57.694 +03 40 35.83 V T08
2024-12-14 11:38:09 C 08 49 57.626 +03 40 08.33 V T08
2024-12-14 11:54:48 C 08 49 57.605 +03 39 52.81 V T08
2024-12-14 11:58:46 C 08 49 57.562 +03 39 48.78 V T08
2024-12-16 10:56:03 C 08 49 51.540 +02 55 03.79 V T05
2024-12-16 10:58:39 C 08 49 51.533 +02 55 01.31 V T05
2024-12-16 11:02:40 C 08 49 51.482 +02 54 57.06 V T05
2024-12-16 11:10:34 C 08 49 51.458 +02 54 49.90 V T05
2024-12-20 22:58:54 C 08 48 53.734 +01 07 17.18 V M22
2024-12-20 23:03:30 C 08 48 53.726 +01 07 13.12 V M22
2024-12-20 23:51:26 C 08 48 52.891 +01 06 23.58 V M22
2024-12-21 00:07:45 C 08 48 52.618 +01 06 06.41 V M22
2024-12-23 06:28:54 C 08 47 58.402 +00 09 04.54 V W68
2024-12-23 06:31:30 C 08 47 58.351 +00 09 01.69 V W68
2024-12-23 06:36:04 C 08 47 58.241 +00 08 56.76 V W68
2024-12-23 11:53:43 C 08 47 52.091 +00 03 07.19 X F52
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)