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
2023-09-26 02:42:16 C 16 44 04.254 -07 03 33.05 V G96
2023-09-27 17:42:19 C 16 52 25.294 -06 59 39.16 V M22
2023-09-27 17:50:51 C 16 52 27.074 -06 59 38.40 V M22
2023-09-27 17:55:26 C 16 52 28.025 -06 59 37.61 V M22
2023-09-27 18:12:27 C 16 52 31.632 -06 59 36.02 V M22
2023-10-02 00:00:28 C 17 13 47.575 -06 47 44.52 V W68
2023-10-02 00:05:06 C 17 13 48.521 -06 47 43.87 V W68
2023-10-02 00:12:58 C 17 13 50.134 -06 47 42.86 V W68
2023-10-24 18:24:46 C 18 54 31.877 -05 05 09.82 V M22
2023-10-24 18:29:22 C 18 54 32.657 -05 05 09.60 V M22
2023-10-24 18:37:16 C 18 54 33.938 -05 05 07.80 V M22
2023-10-24 18:55:48 C 18 54 36.965 -05 05 02.87 V M22
2023-12-03 17:13:16 B 21 06 57.20 -00 26 58.0 X G00
2023-12-03 17:24:33 B 21 06 58.51 -00 26 54.3 X G00
2023-12-03 17:35:02 B 21 06 59.78 -00 26 51.1 X G00
2023-12-14 05:04:01 C 21 35 34.238 +01 01 09.37 V T05
2023-12-14 05:08:35 C 21 35 34.697 +01 01 12.29 V T05
2023-12-14 05:17:24 C 21 35 35.669 +01 01 14.38 V T05
2023-12-14 05:32:26 C 21 35 37.310 +01 01 20.46 V T05
2024-01-03 01:32:28 C 22 25 22.422 +04 00 40.43 V G96
2024-01-03 01:39:54 C 22 25 23.164 +04 00 43.49 V G96
2024-01-03 01:47:20 C 22 25 23.891 +04 00 46.44 V G96
2024-01-03 01:54:46 C 22 25 24.625 +04 00 49.25 V G96
2024-09-09 14:30:58 C 06 56 48.214 +23 58 42.88 X F52
2024-09-09 14:38:33 C 06 56 48.773 +23 58 41.16 X F52
2024-09-09 14:46:07 C 06 56 49.338 +23 58 39.35 X F52
2024-09-09 14:53:44 C 06 56 49.901 +23 58 37.48 X F52
2024-09-13 14:28:11 C 07 03 55.101 +23 33 48.26 X F52
2024-09-13 14:34:49 C 07 03 55.583 +23 33 46.52 X F52
2024-09-13 14:41:27 C 07 03 56.069 +23 33 44.70 X F52
2024-09-13 14:48:06 C 07 03 56.555 +23 33 43.03 X F52
2024-10-02 11:55:25 C 07 35 55.439 +21 10 56.89 V G96
2024-10-02 12:02:09 C 07 35 55.878 +21 10 54.44 V G96
2024-10-02 12:08:52 C 07 35 56.324 +21 10 52.14 V G96
2024-10-02 12:15:36 C 07 35 56.774 +21 10 49.58 V G96
2024-10-16 10:39:20 C 07 57 23.958 +18 57 44.06 V G96
2024-10-16 10:46:46 C 07 57 24.404 +18 57 41.00 V G96
2024-10-16 10:54:12 C 07 57 24.854 +18 57 37.66 V G96
2024-10-16 11:01:38 C 07 57 25.304 +18 57 34.56 V G96
2024-11-02 13:47:21 C 08 20 26.268 +15 38 14.10 V T08
2024-11-02 13:51:21 C 08 20 26.400 +15 38 11.65 V T08
2024-11-02 14:00:02 C 08 20 26.849 +15 38 07.62 V T08
2024-11-02 14:07:32 C 08 20 27.295 +15 38 02.90 V T08
2024-11-10 12:11:14 C 08 29 28.906 +13 50 36.02 V T05
2024-11-10 12:17:23 C 08 29 29.198 +13 50 32.10 V T05
2024-11-10 12:18:42 C 08 29 29.249 +13 50 31.20 V T05
2024-11-10 12:21:59 C 08 29 29.441 +13 50 29.76 V T05
2024-11-10 12:47:56 C 08 29 30.578 +13 50 14.57 V T05
2024-11-10 12:54:42 C 08 29 30.821 +13 50 10.03 V T05
2024-11-10 13:15:04 C 08 29 31.678 +13 49 58.48 V T05
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)