415710 (1998 WC2)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5591670087 ± 4.40e-07
Semi-major axis (a)2.5568691140 AU ± 5.76e-08
Inclination (i)26.60691194° ± 3.83e-05
Long. of Asc. Node (Ω)208.08060045° ± 2.86e-05
Arg. of Perihelion (ω)270.53904947° ± 1.17e-04
Mean Anomaly (M)208.30397842° ± 9.78e-05
Mean Motion (n)0.2410735318°/day ± 8.14e-09
Perihelion dist (q)1.12715226 AU ± 1.12e-06
Aphelion dist (Q)3.98658597 AU ± 1.13e-06
Orbital Period4.08848817 yr ± 1.38e-07
Physical Parameters
H (abs. magnitude)18.55
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.617″
Uncertainty0
Orbit TypeAmor
MOID0.442313 AU
Observations Used66
Oppositions12
Arc Total1998-2014
First Observation Used1998-10-29
Last Observation Used2014-11-21
Observations (68)
Date Type RA Dec Mag Band Observatory
2003-03-10 10:07:51 C 04 54 22.46 -21 13 27.3 c 474
2006-10-16 22:35:32 C 00 30 02.68 +15 03 43.3 r 113
2006-10-16 22:39:47 C 00 30 02.47 +15 03 38.8 r 113
2006-10-16 22:44:01 C 00 30 02.28 +15 03 34.5 r 113
2006-10-17 20:36:36 C 00 29 01.15 +14 40 07.4 r 113
2006-10-17 20:40:50 C 00 29 00.97 +14 40 02.6 r 113
2010-08-16 06:58:23 C 00 24 59.99 +25 05 52.5 o H21
2010-08-16 08:09:38 C 00 24 59.36 +25 05 54.9 o H21
2010-08-16 08:34:32 C 00 24 59.13 +25 05 55.7 o H21
2010-08-19 07:46:44 C 00 24 19.55 +25 06 53.9 o H21
2010-08-19 08:32:10 C 00 24 19.00 +25 06 53.3 o H21
2010-08-19 09:15:35 C 00 24 18.46 +25 06 53.2 o H21
2014-10-26 02:38:19 C 22 47 56.91 +10 40 33.1 u H21
2014-10-26 02:56:40 C 22 47 56.65 +10 40 19.5 u H21
2014-10-26 03:15:13 C 22 47 56.29 +10 40 04.4 u H21
2014-11-21 00:38:50 C 22 49 36.21 +04 00 45.1 u H21
2014-11-21 01:01:47 C 22 49 36.66 +04 00 33.6 u H21
2014-11-21 01:25:25 C 22 49 37.10 +04 00 21.3 u H21