IAA RAS IAA Minor Planet Database

1998 WA2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5889663129 ± 1.87e-07
Semi-major axis (a)2.6882470393 AU ± 3.50e-09
Inclination (i)22.39917797° ± 2.68e-05
Long. of Asc. Node (Ω)234.04104389° ± 6.88e-06
Arg. of Perihelion (ω)126.57565968° ± 5.75e-05
Mean Anomaly (M)61.96786207° ± 1.05e-05
Mean Motion (n)0.2236189026°/day ± 4.37e-10
Perihelion dist (q)1.10496009 AU ± 5.03e-07
Aphelion dist (Q)4.27153399 AU ± 5.03e-07
Orbital Period4.40761614 yr ± 8.61e-09
Physical Parameters
H (abs. magnitude)19.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.372″
Uncertainty0
Orbit TypeAmor
MOID0.230579 AU
Observations Used169
Oppositions18
Arc Total1998-2021
First Observation Used1998-11-16
Last Observation Used2021-01-07
Observations (180)
Date Type RA Dec Mag Band Observatory
2020-10-22 10:59:29 C 03 32 42.65 +57 26 10.1 – V T05
2020-10-22 11:03:27 C 03 32 42.93 +57 25 53.5 – V T05
2020-10-22 11:14:00 C 03 32 43.53 +57 25 13.2 – V T05
2020-10-24 11:37:13 C 03 35 59.12 +54 08 34.0 – V T08
2020-10-24 11:43:16 C 03 35 59.36 +54 08 08.7 – V T08
2020-10-24 12:40:49 C 03 36 01.84 +54 04 10.2 – V T08
2020-10-26 11:29:27 C 03 38 29.19 +50 48 03.5 – V T05
2020-10-26 11:34:05 C 03 38 29.22 +50 47 43.8 – V T05
2020-10-26 11:57:54 C 03 38 30.12 +50 46 02.7 – V T05
2020-10-26 13:21:27 C 03 38 32.67 +50 40 07.5 – V T05
2020-10-26 13:26:44 C 03 38 32.84 +50 39 44.1 – V T05
2020-11-07 19:20:58 C 03 44 24.59 +30 01 17.5 – V K83
2020-11-07 19:23:43 C 03 44 24.59 +30 01 06.5 – V K83
2020-11-07 19:26:28 C 03 44 24.58 +30 00 55.8 – V K83
2020-11-07 20:00:11 C 03 44 24.65 +29 58 48.8 – V L34
2020-11-07 20:36:27 C 03 44 24.59 +29 56 28.5 – V L34
2020-11-07 20:42:40 C 03 44 24.58 +29 56 04.5 – V L34
2020-11-07 21:15:04 C 03 44 24.45 +29 53 58.8 – V L34
2020-11-07 23:57:59 C 03 44 23.54 +29 43 20.0 – o K88
2020-11-07 23:59:05 C 03 44 23.54 +29 43 15.6 – o K88
2020-11-08 00:00:15 C 03 44 23.54 +29 43 11.3 – o K88
2020-11-08 00:32:56 C 03 44 23.63 +29 41 06.0 – V 160
2020-11-08 00:38:03 C 03 44 23.60 +29 40 46.0 – V 160
2020-11-08 00:43:06 C 03 44 23.59 +29 40 26.1 – V 160
2020-11-08 00:48:38 C 03 44 23.59 +29 40 03.6 – V 130
2020-11-08 00:51:37 C 03 44 23.58 +29 39 51.9 – V 130
2020-11-08 00:54:37 C 03 44 23.57 +29 39 40.2 – V 130
2020-11-08 00:57:36 C 03 44 23.56 +29 39 28.7 – V 130
2020-11-08 20:46:01 C 03 44 28.07 +28 23 04.5 – q K73
2020-11-08 20:50:02 C 03 44 27.97 +28 22 50.1 – q K73
2020-11-08 20:55:26 C 03 44 27.97 +28 22 27.6 – q K73
2020-11-09 17:03:46 C 03 44 28.08 +27 06 31.2 – q D29
2020-11-09 17:22:50 C 03 44 27.94 +27 05 19.9 – q D29
2020-11-09 17:41:56 C 03 44 27.79 +27 04 08.1 – q D29
2020-11-10 08:06:08 C 03 44 28.65 +26 10 49.8 – V 703
2020-11-10 08:13:40 C 03 44 28.61 +26 10 22.4 – V 703
2020-11-10 08:21:12 C 03 44 28.62 +26 09 53.8 – V 703
2020-11-10 08:52:51 C 03 44 28.04 +26 07 56.9 – V 703
2020-11-10 09:00:22 C 03 44 27.97 +26 07 29.2 – V 703
2020-11-10 09:07:55 C 03 44 27.92 +26 07 00.8 – V 703
2020-11-10 09:15:26 C 03 44 27.86 +26 06 33.6 – V 703
2020-11-13 06:14:54 C 03 44 23.47 +22 04 05.8 – V V19
2020-11-13 06:33:31 C 03 44 23.36 +22 03 02.1 – V 703
2020-11-13 06:48:44 C 03 44 23.22 +22 02 12.5 – V 703
2020-11-13 06:53:46 C 03 44 23.09 +22 01 56.1 – V V19
2020-11-13 06:56:21 C 03 44 23.16 +22 01 46.9 – V 703
2020-11-13 07:03:12 C 03 44 23.05 +22 01 23.9 – V 703
2020-11-13 07:10:43 C 03 44 22.88 +22 00 59.5 – V 703
2020-11-13 07:18:14 C 03 44 22.89 +22 00 33.7 – V 703
2020-11-15 01:33:55 C 03 44 14.67 +19 43 06.7 – V A16