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
1998-10-29 08:30:48 C 04 00 22.058 +00 51 33.11 645
1998-10-29 08:32:00 C 04 00 22.077 +00 51 30.64 645
1998-10-29 08:34:23 C 04 00 22.105 +00 51 25.26 645
1998-10-29 08:35:35 C 04 00 22.117 +00 51 22.32 645
1998-11-18 06:41:11 c 04 02 38.24 -20 16 02.1 h 703
1998-11-18 06:53:25 c 04 02 38.20 -20 16 37.8 h 703
1998-11-18 07:27:28 c 04 02 37.84 -20 18 13.8 h 703
1998-11-19 06:00:12 c 04 02 31.96 -21 21 37.0 h 703
1998-11-19 06:02:43 c 04 02 31.90 -21 21 43.7 h 703
1998-11-19 06:05:10 c 04 02 31.96 -21 21 50.2 h 703
1998-11-19 08:29:48 c 04 02 30.56 -21 28 36.0 h 703
1998-11-19 08:33:31 c 04 02 30.41 -21 28 46.8 h 703
1998-11-19 08:37:02 c 04 02 30.38 -21 28 56.9 h 703
1998-11-19 11:47:15 C 04 02 30.64 -21 37 29.7 b 426
1998-11-19 11:58:16 C 04 02 30.64 -21 38 00.2 b 426
1998-11-19 12:07:29 C 04 02 30.54 -21 38 26.9 b 426
1998-11-20 06:43:28 c 04 02 24.15 -22 30 44.8 h 703
1998-11-20 06:45:55 c 04 02 24.11 -22 30 52.6 h 703
1998-11-20 06:56:57 c 04 02 24.00 -22 31 23.0 h 703
1998-11-24 13:33:08 C 04 01 45.96 -27 11 43.7 b 426
1998-11-24 13:47:10 C 04 01 45.84 -27 12 21.2 b 426
1998-11-24 14:00:28 C 04 01 45.69 -27 12 58.2 b 426
1998-12-11 13:49:14 C 04 00 03.86 -42 39 37.0 b 426
1998-12-11 14:06:29 C 04 00 03.65 -42 40 08.2 b 426
1998-12-11 14:24:12 C 04 00 03.67 -42 40 39.4 b 426
1998-12-15 13:14:56 C 04 00 32.58 -45 23 09.0 b 426
1998-12-15 13:32:04 C 04 00 32.68 -45 23 36.4 b 426
1998-12-15 13:49:05 C 04 00 32.62 -45 24 04.0 b 426
2002-10-10 05:38:24 C 01 54 39.43 +17 30 39.7 20.0 c 644
2002-10-10 07:29:43 C 01 54 35.76 +17 28 44.4 19.9 c 644
2002-10-10 09:08:07 C 01 54 32.49 +17 27 01.5 20.1 c 644
2002-10-30 05:48:27 C 01 35 37.54 +06 42 33.9 r 644
2002-10-30 06:17:09 C 01 35 36.19 +06 41 48.3 r 644
2002-10-31 06:26:08 C 01 34 31.94 +06 02 55.3 19.5 c 704
2002-10-31 06:50:43 C 01 34 30.75 +06 02 15.2 19.7 c 704
2002-10-31 07:15:23 C 01 34 29.56 +06 01 35.8 19.7 c 704
2002-10-31 07:40:04 C 01 34 28.39 +06 00 55.2 19.4 c 704
2002-11-01 21:43:22 C 01 32 48.35 +04 58 53.5 m 620
2002-11-01 21:50:40 C 01 32 48.16 +04 58 45.4 m 620
2002-11-01 22:22:55 C 01 32 46.57 +04 57 51.9 d 176
2002-11-01 22:24:36 C 01 32 46.50 +04 57 49.1 d 176
2002-11-01 22:32:34 C 01 32 46.17 +04 57 35.5 d 176
2002-11-03 04:02:15 C 01 31 29.40 +04 09 05.0 c 858
2002-11-03 04:06:53 C 01 31 29.20 +04 08 57.8 c 858
2002-11-03 04:11:30 C 01 31 28.97 +04 08 49.5 c 858
2002-11-03 23:31:02 C 01 30 38.53 +03 36 48.3 d J95
2002-11-03 23:37:53 C 01 30 38.36 +03 36 37.6 d J95
2003-03-10 10:00:21 C 04 54 21.07 -21 13 32.4 c 474
2003-03-10 10:03:10 C 04 54 21.57 -21 13 30.2 c 474
2003-03-10 10:05:31 C 04 54 22.04 -21 13 28.9 c 474