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
2014-11-08 02:49:36 C 01 40 32.01 -14 32 15.1 q 844
2014-11-08 02:55:11 C 01 40 31.52 -14 31 39.6 q 844
2014-11-08 03:00:45 C 01 40 31.03 -14 31 03.4 q 844
2014-11-08 03:06:21 C 01 40 30.47 -14 30 27.4 q 844
2014-11-09 05:51:56 C 01 38 39.21 -11 40 40.2 q H45
2014-11-09 05:52:55 C 01 38 39.12 -11 40 33.9 q H45
2014-11-09 05:53:54 C 01 38 39.05 -11 40 28.1 q H45
2014-11-09 05:54:31 C 01 38 39.01 -11 40 23.8 q H45
2014-11-09 05:55:50 C 01 38 38.88 -11 40 15.7 q H45
2014-11-09 05:57:22 C 01 38 38.78 -11 40 05.5 q H45
2014-11-10 02:37:27 C 01 37 19.77 -09 29 07.9 t 844
2014-11-10 02:40:55 C 01 37 19.51 -09 28 46.6 t 844
2014-11-10 02:44:18 C 01 37 19.24 -09 28 25.0 t 844
2014-11-10 02:47:41 C 01 37 18.96 -09 28 04.2 t 844
2014-11-10 02:51:06 C 01 37 18.70 -09 27 42.5 t 844
2014-11-10 05:50:27 C 01 37 05.78 -09 09 08.2 q W88
2014-11-10 06:00:31 C 01 37 05.02 -09 08 05.7 q W88
2014-11-10 06:10:54 C 01 37 04.26 -09 07 01.0 q W88
2014-11-12 22:05:18 C 01 33 33.98 -02 46 08.0 r 006
2014-11-12 22:11:59 C 01 33 33.61 -02 45 30.5 r 006
2014-11-12 22:16:27 C 01 33 33.30 -02 45 04.5 r 006
2014-11-12 22:22:50 C 01 33 32.90 -02 44 27.3 r 006
2014-11-12 22:27:33 C 01 33 32.60 -02 44 01.7 r 006
2014-11-12 22:29:01 C 01 33 32.51 -02 43 52.9 r 006
2014-11-15 03:24:44 C 01 31 10.38 +02 09 18.2 q W88
2014-11-15 04:34:51 C 01 31 06.62 +02 15 27.9 q W88
2014-11-15 04:36:52 C 01 31 06.52 +02 15 38.9 q W88
2014-11-16 23:31:05 C 01 29 36.84 +05 53 24.9 r Y00
2014-11-16 23:31:50 C 01 29 36.81 +05 53 28.3 r Y00
2014-11-16 23:32:34 C 01 29 36.76 +05 53 31.6 r Y00
2014-11-17 04:36:14 C 01 29 26.18 +06 17 15.9 R G45
2014-11-17 04:42:11 C 01 29 25.92 +06 17 44.8 R G45
2014-11-17 04:49:25 C 01 29 25.58 +06 18 19.5 R G45
2014-11-17 04:55:23 C 01 29 25.33 +06 18 48.4 R G45
2014-11-17 04:58:00 C 01 29 25.18 +06 19 01.1 R G45
2014-11-17 05:03:59 C 01 29 24.92 +06 19 30.2 R G45
2014-11-17 23:37:33 C 01 28 53.07 +07 48 30.4 r Y00
2014-11-17 23:50:15 C 01 28 52.54 +07 49 29.5 r Y00
2014-11-18 00:04:14 C 01 28 51.81 +07 50 35.2 r Y00
2014-11-18 04:32:26 C 01 28 44.03 +08 10 29.4 R G45
2014-11-18 04:38:33 C 01 28 43.75 +08 10 57.7 R G45
2014-11-18 04:51:33 C 01 28 43.24 +08 11 57.3 R G45
2014-11-18 04:54:21 C 01 28 43.13 +08 12 10.4 R G45
2014-11-18 05:00:20 C 01 28 42.83 +08 12 38.3 R G45
2014-11-19 04:35:06 C 01 28 07.43 +09 58 59.0 R G45
2014-11-19 04:35:59 C 01 28 07.39 +09 59 02.7 R G45
2014-11-19 04:42:05 C 01 28 07.17 +09 59 29.7 R G45
2014-11-19 04:48:04 C 01 28 06.91 +09 59 56.0 R G45
2014-11-19 04:51:16 C 01 28 06.83 +10 00 10.2 R G45
2014-11-19 04:57:14 C 01 28 06.60 +10 00 36.3 R G45