412976 (1987 WC)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2336615193 ± 2.00e+00
Semi-major axis (a)1.3620233617 AU ± 3.00e+00
Inclination (i)15.84502330° ± 4.00e+00
Long. of Asc. Node (Ω)51.80641043° ± 5.00e+00
Arg. of Perihelion (ω)308.37961376° ± 6.00e+00
Mean Anomaly (M)5.03230320° ± 1.26e-05
Mean Motion (n)0.6200624629°/day ± 2.05e+00
Perihelion dist (q)1.04377091 AU ± 3.56e+00
Aphelion dist (Q)1.68027581 AU ± 4.60e+00
Orbital Period1.58955967 yr ± 5.25e+00
NGA Modelr2
A27.85276901e-06 AU/d²
Physical Parameters
H (abs. magnitude)19.91
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.318″
Uncertainty0
Orbit TypeAmor
MOID0.114184 AU
Observations Used304
Oppositions14
Arc Total1987-2026
First Observation Used1987-11-21
Last Observation Used2026-01-07
Observations (326)
Date Type RA Dec Mag Band Observatory
2025-04-27 12:08:25 C 14 44 08.304 -04 57 35.18 X F51
2025-04-27 12:26:28 C 14 44 06.537 -04 57 40.43 X F51
2025-04-28 08:21:37 C 14 42 13.093 -05 03 36.47 V G96
2025-04-28 08:29:04 C 14 42 12.359 -05 03 38.88 V G96
2025-04-28 08:36:31 C 14 42 11.617 -05 03 40.61 V G96
2025-04-28 08:43:56 C 14 42 10.883 -05 03 42.84 V G96
2025-04-28 09:47:08 C 14 42 05.291 -05 03 59.58 X F51
2025-04-28 10:04:32 C 14 42 03.549 -05 04 04.79 X F51
2025-04-28 10:21:56 C 14 42 01.817 -05 04 10.02 X F51
2025-04-28 10:39:20 C 14 42 00.075 -05 04 15.27 X F51
2025-05-02 09:33:11 C 14 32 41.897 -05 34 48.14 X F51
2025-05-02 09:51:54 C 14 32 39.945 -05 34 54.51 X F51
2025-05-02 10:10:37 C 14 32 37.994 -05 35 01.00 X F51
2025-05-04 10:30:29 C 14 27 46.487 -05 52 06.13 X F51
2025-05-04 10:49:48 C 14 27 44.456 -05 52 13.20 X F51
2025-05-04 11:28:15 C 14 27 40.429 -05 52 26.89 X F51
2025-05-23 05:44:41 C 13 45 01.933 -09 13 32.05 V G96
2025-05-23 05:52:54 C 13 45 01.246 -09 13 36.12 V G96
2025-05-23 06:01:08 C 13 45 00.540 -09 13 40.15 V G96
2025-05-23 06:09:20 C 13 44 59.860 -09 13 44.65 V G96
2025-05-28 07:46:52 C 13 36 01.272 -10 17 51.00 X F51
2025-05-28 08:04:45 C 13 35 59.997 -10 18 00.74 X F51
2025-05-28 08:22:39 C 13 35 58.725 -10 18 10.43 X F51
2025-05-28 08:40:33 C 13 35 57.441 -10 18 20.05 X F51
2026-01-07 12:07:22 C 23 53 20.623 +00 07 03.43 W O18
2026-01-07 12:48:47 C 23 53 26.361 +00 08 13.61 W O18