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
2009-04-19 09:43:43 C 16 20 06.28 -21 35 15.5 r G96
2009-04-19 10:13:10 C 16 20 05.56 -21 35 15.4 r G96
2009-04-27 10:17:34 C 16 14 12.84 -21 30 27.3 r G96
2009-04-27 10:27:09 C 16 14 12.40 -21 30 26.2 r G96
2009-04-27 10:36:46 C 16 14 12.01 -21 30 25.3 r G96
2009-04-27 10:46:37 C 16 14 11.58 -21 30 24.7 r G96
2009-05-02 11:11:18 C 16 08 57.75 -21 22 33.8 568
2009-05-02 11:27:06 C 16 08 56.90 -21 22 32.6 568
2009-05-18 06:56:45 C 15 49 16.57 -20 40 45.3 r G96
2009-05-18 07:14:17 C 15 49 15.56 -20 40 43.2 r G96
2009-05-18 07:26:48 C 15 49 14.84 -20 40 41.5 r G96
2009-05-18 07:39:01 C 15 49 14.19 -20 40 40.1 r G96
2015-10-07 08:27:38 C 02 56 11.83 +16 41 42.1 u H21
2015-10-07 09:01:07 C 02 56 10.84 +16 41 37.5 u H21
2015-10-15 07:34:43 C 02 49 21.53 +16 14 09.2 u H21
2015-10-15 07:46:06 C 02 49 21.01 +16 14 07.5 u H21
2015-10-15 08:00:07 C 02 49 20.40 +16 14 05.0 u H21
2015-10-17 07:14:53 C 02 47 17.05 +16 05 31.5 u H21
2015-10-17 07:28:15 C 02 47 16.43 +16 05 28.8 u H21
2015-10-17 07:40:49 C 02 47 15.80 +16 05 26.1 u H21
2015-10-18 08:05:25 C 02 46 08.83 +16 00 46.0 u H21
2015-10-18 08:13:42 C 02 46 08.45 +16 00 44.5 u H21
2015-10-18 08:30:48 C 02 46 07.61 +16 00 41.1 u H21
2015-10-19 06:49:29 C 02 45 04.70 +15 56 14.9 u H21
2015-10-19 07:02:02 C 02 45 04.07 +15 56 12.3 u H21
2015-10-19 07:14:29 C 02 45 03.45 +15 56 10.1 u H21
2015-11-03 07:02:47 C 02 25 06.08 +14 27 13.8 q G96
2015-11-03 07:10:09 C 02 25 05.59 +14 27 12.2 q G96
2015-11-03 07:17:30 C 02 25 05.19 +14 27 09.2 q G96
2015-11-03 07:24:51 C 02 25 04.67 +14 27 07.0 q G96
2015-11-08 05:27:34 C 02 17 53.40 +13 53 07.9 q G96
2015-11-08 05:34:53 C 02 17 52.93 +13 53 05.6 q G96
2015-11-08 05:42:12 C 02 17 52.56 +13 53 03.3 q G96
2015-11-08 05:49:31 C 02 17 52.07 +13 53 01.5 q G96
2020-10-22 10:59:45 C 04 43 34.408 +22 31 22.13 U F51
2020-10-22 11:17:26 C 04 43 34.333 +22 31 22.45 U F51
2020-10-22 11:35:16 C 04 43 34.260 +22 31 22.82 U F51
2020-10-22 11:53:21 C 04 43 34.148 +22 31 23.17 U F51
2020-11-11 07:44:22 C 04 33 07.77 +22 22 35.0 V G96
2020-11-11 07:51:47 C 04 33 07.47 +22 22 34.9 V G96
2020-11-11 07:59:13 C 04 33 07.10 +22 22 34.0 V G96
2020-11-11 08:06:37 C 04 33 06.79 +22 22 33.3 V G96
2020-11-11 12:51:01 C 04 32 54.436 +22 22 18.57 U F51
2020-11-11 13:09:48 C 04 32 53.569 +22 22 17.38 U F51
2020-11-11 13:47:58 C 04 32 51.846 +22 22 14.62 U F51
2020-11-19 12:38:42 C 04 23 21.257 +22 06 44.36 U F51
2020-11-19 12:56:53 C 04 23 20.174 +22 06 42.48 U F51
2020-11-19 13:15:04 C 04 23 19.097 +22 06 40.37 U F51
2020-11-19 13:33:15 C 04 23 18.002 +22 06 37.99 U F51
2020-11-23 07:26:18 C 04 17 59.41 +21 56 34.5 V G96