213053 (1998 WT30)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3369881512 ± 3.38e-08
Semi-major axis (a)1.8128842284 AU ± 1.38e-09
Inclination (i)0.50985981° ± 3.48e-06
Long. of Asc. Node (Ω)36.15624547° ± 5.17e-04
Arg. of Perihelion (ω)126.57129875° ± 5.17e-04
Mean Anomaly (M)315.99856302° ± 7.00e-06
Mean Motion (n)0.4037914976°/day ± 4.62e-10
Perihelion dist (q)1.20196372 AU ± 6.12e-08
Aphelion dist (Q)2.42380473 AU ± 6.12e-08
Orbital Period2.44092877 yr ± 2.79e-09
Physical Parameters
H (abs. magnitude)19.95
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.310″
Uncertainty0
Orbit TypeAmor
MOID0.210306 AU
Observations Used164
Oppositions17
Arc Total1998-2026
First Observation Used1998-11-17
Last Observation Used2026-01-12
Observations (172)
Date Type RA Dec Mag Band Observatory
1998-11-17 09:18:07 C 03 37 54.87 +19 50 21.6 a 691
1998-11-17 09:51:38 C 03 37 52.67 +19 50 15.2 a 691
1998-11-17 10:23:51 C 03 37 50.55 +19 50 08.8 a 691
1998-11-24 07:48:59 c 03 27 01.70 +19 16 11.4 i 691
1998-11-24 08:21:05 c 03 26 59.43 +19 16 04.4 i 691
1998-11-24 08:53:19 c 03 26 57.27 +19 15 57.2 i 691
1998-11-25 08:24:50 c 03 25 23.83 +19 10 49.3 i 691
1998-11-25 08:30:42 c 03 25 23.42 +19 10 47.6 i 691
1998-11-25 08:36:57 c 03 25 23.18 +19 10 45.9 i 691
1998-11-26 09:05:24 c 03 23 45.86 +19 05 21.7 i 691
1998-11-26 09:11:20 c 03 23 45.46 +19 05 20.5 i 691
1998-11-26 09:18:22 c 03 23 44.97 +19 05 19.0 i 691
1998-12-09 08:05:24 c 03 04 44.66 +17 57 16.4 i 691
1998-12-09 08:16:18 c 03 04 44.09 +17 57 14.8 i 691
1998-12-09 08:24:25 c 03 04 43.71 +17 57 12.1 i 691
2003-12-21 08:10:25 C 06 58 12.12 +24 07 42.5 18.9 c 704
2003-12-21 08:29:13 C 06 58 11.67 +24 07 43.0 19.3 c 704
2003-12-21 08:48:11 C 06 58 10.92 +24 07 45.5 19.2 c 704
2003-12-21 09:07:28 C 06 58 10.44 +24 07 48.2 19.7 c 704
2003-12-21 09:27:23 C 06 58 09.63 +24 07 46.8 19.0 c 704
2003-12-27 06:49:33 C 06 53 27.49 +24 21 51.9 18.8 c 704
2003-12-27 07:08:32 C 06 53 26.65 +24 21 52.8 18.7 c 704
2003-12-27 07:27:20 C 06 53 25.86 +24 21 55.4 19.0 c 704
2003-12-27 07:47:01 C 06 53 24.98 +24 21 56.3 19.3 c 704
2003-12-27 08:05:58 C 06 53 24.13 +24 21 59.1 19.0 c 704
2004-01-21 05:51:16 C 06 26 39.52 +25 10 37.8 18.9 c 704
2004-01-21 06:09:35 C 06 26 38.77 +25 10 38.1 19.2 c 704
2004-01-21 06:28:34 C 06 26 37.94 +25 10 38.2 19.3 c 704
2004-01-21 06:47:04 C 06 26 37.13 +25 10 39.3 19.3 c 704
2004-01-21 07:05:45 C 06 26 36.31 +25 10 39.4 19.1 c 704
2004-01-24 05:12:00 C 06 24 15.90 +25 13 01.9 19.0 c 704
2004-01-24 05:30:07 C 06 24 15.18 +25 13 01.9 19.5 c 704
2004-01-24 05:48:15 C 06 24 14.59 +25 13 02.6 19.5 c 704
2004-01-24 06:06:15 C 06 24 13.84 +25 13 03.0 19.5 c 704
2004-01-24 06:24:19 C 06 24 13.25 +25 13 03.3 19.1 c 704
2004-01-30 02:25:06 C 06 21 03.70 +25 15 24.7 c 691
2004-01-30 03:04:17 C 06 21 02.91 +25 15 26.0 c 691
2004-01-30 03:53:36 C 06 21 01.88 +25 15 27.0 c 691
2004-01-30 05:09:45 C 06 21 00.13 +25 15 26.9 19.1 c 704
2004-01-30 05:27:38 C 06 20 59.78 +25 15 27.0 19.9 c 704
2004-01-30 06:03:21 C 06 20 59.02 +25 15 26.8 18.9 c 704
2004-02-22 04:27:02 C 06 33 11.54 +24 56 59.8 19.5 c 704
2004-02-22 05:18:26 C 06 33 14.26 +24 56 55.2 19.5 c 704
2004-02-22 05:36:19 C 06 33 15.28 +24 56 53.3 19.9 c 704
2004-02-22 06:09:23 C 06 33 17.10 +24 56 49.0 19.8 c 704
2005-09-30 05:25:14 C 00 27 43.23 +02 31 13.5 d 291
2005-09-30 05:32:21 C 00 27 42.80 +02 31 11.1 d 291
2009-01-08 12:22:32 C 12 42 02.60 -03 26 49.5 o 691
2009-01-08 12:41:20 C 12 42 05.23 -03 27 06.8 o 691
2009-01-08 13:00:08 C 12 42 07.93 -03 27 23.6 o 691