1998 WR5

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5134406713 ± 6.51e-07
Semi-major axis (a)2.5742202938 AU ± 3.14e-08
Inclination (i)28.33798528° ± 4.68e-05
Long. of Asc. Node (Ω)256.50505276° ± 3.03e-05
Arg. of Perihelion (ω)118.63665104° ± 1.41e-04
Mean Anomaly (M)201.95342301° ± 4.77e-05
Mean Motion (n)0.2386402589°/day ± 4.36e-09
Perihelion dist (q)1.25251090 AU ± 1.68e-06
Aphelion dist (Q)3.89592969 AU ± 1.68e-06
Orbital Period4.13017606 yr ± 7.55e-08
Physical Parameters
H (abs. magnitude)18.76
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.607″
Uncertainty0
Orbit TypeAmor
MOID0.420927 AU
Observations Used67
Oppositions19
Arc Total1998-2023
First Observation Used1998-11-19
Last Observation Used2023-12-18
Observations (74)
Date Type RA Dec Mag Band Observatory
2023-09-16 14:54:23 C 07 00 24.801 +32 52 21.04 X F51
2023-09-16 15:02:22 C 07 00 25.593 +32 52 14.17 X F51
2023-09-17 03:07:18 C 07 01 40.08 +32 41 39.3 X 033
2023-09-17 03:12:27 C 07 01 40.62 +32 41 34.8 X 033
2023-09-17 03:17:37 C 07 01 41.13 +32 41 30.4 X 033
2023-09-20 11:15:20 C 07 09 37.832 +31 30 41.87 V I52
2023-09-20 11:18:05 C 07 09 38.092 +31 30 39.20 V I52
2023-09-20 11:20:49 C 07 09 38.315 +31 30 37.66 V I52
2023-09-20 11:23:34 C 07 09 38.646 +31 30 34.56 V I52
2023-09-20 14:23:05 C 07 09 55.904 +31 27 54.68 X F51
2023-09-20 14:31:08 C 07 09 56.656 +31 27 47.33 X F51
2023-09-20 14:39:10 C 07 09 57.429 +31 27 40.47 X F51
2023-11-21 14:00:02 C 08 12 27.756 +06 05 34.17 X F51
2023-11-21 14:17:03 C 08 12 27.455 +06 05 16.35 X F51
2023-11-21 14:33:08 C 08 12 27.170 +06 04 59.36 X F51
2023-12-06 11:21:38 C 08 01 58.228 +00 06 38.70 V G96
2023-12-06 11:36:42 C 08 01 57.536 +00 06 24.70 V G96
2023-12-06 11:44:14 C 08 01 57.234 +00 06 17.93 V G96
2023-12-09 14:08:22 C 07 58 33.565 -01 02 05.60 X F52
2023-12-09 14:25:15 C 07 58 32.714 -01 02 20.74 X F52
2023-12-09 14:42:09 C 07 58 31.846 -01 02 36.00 X F52
2023-12-18 06:47:48 C 07 47 13.898 -03 55 46.56 V G96
2023-12-18 06:55:13 C 07 47 13.441 -03 55 52.10 V G96
2023-12-18 07:02:37 C 07 47 12.952 -03 55 57.58 V G96