2024 WH18

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6510716837 ± 1.24e-04
Semi-major axis (a)2.3083546063 AU ± 7.43e-04
Inclination (i)9.42997260° ± 2.21e-03
Long. of Asc. Node (Ω)118.62699929° ± 3.32e-03
Arg. of Perihelion (ω)241.78432991° ± 2.61e-03
Mean Anomaly (M)114.54305870° ± 5.57e-02
Mean Motion (n)0.2810337563°/day ± 1.36e-04
Perihelion dist (q)0.80545029 AU ± 3.86e-04
Aphelion dist (Q)3.81125893 AU ± 1.26e-03
Orbital Period3.50714553 yr ± 1.69e-03
Physical Parameters
H (abs. magnitude)22.47
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.224″
Uncertainty2
Orbit TypeApollo
MOID0.000274 AU
Observations Used33
Oppositions1
Arc Total2024-2025
First Observation Used2024-11-29
Last Observation Used2025-01-01
Observations (38)
Date Type RA Dec Mag Band Observatory
2010-07-31 16:06:43 S 14 50 28.40 -11 03 10.3 L C51
2010-07-31 22:27:34 S 14 49 57.03 -11 08 18.2 L C51
2010-08-01 00:02:56 S 14 49 49.21 -11 09 36.6 L C51
2010-08-01 01:38:06 S 14 49 41.39 -11 10 53.3 L C51
2010-08-01 03:13:26 S 14 49 33.48 -11 12 12.5 L C51
2024-11-29 11:06:06 C 06 58 33.887 -21 03 18.03 X F52
2024-11-29 11:37:00 C 06 58 27.462 -21 01 02.49 X F52
2024-11-29 11:52:27 C 06 58 24.240 -20 59 54.43 X F52
2024-11-29 13:18:47 C 06 58 06.244 -20 53 34.00 V F52
2024-11-29 13:19:42 C 06 58 06.068 -20 53 30.11 V F52
2024-11-30 13:48:16 C 06 53 27.394 -19 07 22.77 V T14
2024-11-30 13:51:06 C 06 53 26.843 -19 07 10.67 V T14
2024-12-01 10:49:40 C 06 49 40.110 -17 39 09.80 V I52
2024-12-01 10:52:13 C 06 49 39.670 -17 38 59.20 V I52
2024-12-02 10:21:38 C 06 45 37.870 -16 03 23.90 V 691
2024-12-02 10:30:25 C 06 45 36.260 -16 02 48.60 V 691
2024-12-02 10:39:12 C 06 45 34.720 -16 02 13.40 V 691
2024-12-04 03:22:05 C 06 39 02.736 -13 24 19.14 V J04
2024-12-04 03:31:22 C 06 39 01.216 -13 23 43.66 V J04
2024-12-08 07:25:59 C 06 25 04.640 -07 36 54.20 V 691
2024-12-08 07:39:03 C 06 25 02.860 -07 36 12.60 V 691
2024-12-09 09:16:07 C 06 21 52.190 -06 16 08.90 V 291
2024-12-09 09:17:52 C 06 21 51.940 -06 16 03.30 V 291
2024-12-09 09:19:35 C 06 21 51.700 -06 15 58.20 V 291
2024-12-18 10:28:39 C 06 00 27.860 +02 57 40.90 V I52
2024-12-18 10:36:04 C 06 00 27.250 +02 57 56.20 V I52
2024-12-18 10:43:31 C 06 00 26.590 +02 58 11.70 V I52
2024-12-21 09:14:42 C 05 55 15.630 +05 17 22.60 V 291
2024-12-21 09:21:10 C 05 55 15.140 +05 17 34.50 V 291
2024-12-21 09:27:38 C 05 55 14.680 +05 17 46.60 V 291
2024-12-28 09:33:55 C 05 45 43.050 +09 48 53.60 V 291
2024-12-28 09:58:54 C 05 45 41.760 +09 49 28.70 V 291
2024-12-30 04:27:59 C 05 43 53.640 +10 46 41.10 V 291
2024-12-30 04:40:36 C 05 43 53.070 +10 46 57.40 V 291
2024-12-30 04:53:15 C 05 43 52.500 +10 47 14.20 V 291
2025-01-01 08:36:33 C 05 41 55.430 +11 51 38.60 V 291
2025-01-01 09:01:41 C 05 41 54.490 +11 52 08.20 V 291
2025-01-01 09:26:52 C 05 41 53.510 +11 52 38.70 V 291