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
2020-11-15 01:51:31 C 03 44 14.52 +19 42 11.0 – V A16
2020-11-15 02:09:10 C 03 44 14.38 +19 41 15.2 – V A16
2020-11-15 02:26:50 C 03 44 14.23 +19 40 19.3 – V A16
2020-11-16 07:05:35 C 03 44 09.18 +18 12 27.2 – V 703
2020-11-16 07:20:43 C 03 44 09.20 +18 11 41.7 – V 703
2020-11-16 07:28:17 C 03 44 09.07 +18 11 19.8 – V 703
2020-11-17 08:06:42 C 03 44 04.592 +16 58 57.38 – U F51
2020-11-17 09:00:26 C 03 44 04.024 +16 56 23.60 – U F51
2020-11-18 00:29:31 C 03 43 59.44 +16 12 17.3 – V 160
2020-11-18 00:34:01 C 03 43 59.46 +16 12 04.8 – V 160
2020-11-18 00:38:29 C 03 43 59.37 +16 11 52.9 – V 160
2020-11-18 22:16:21 C 03 43 55.53 +15 12 26.4 – V Z43
2020-11-18 22:35:01 C 03 43 55.40 +15 11 35.9 – V Z43
2020-11-18 22:48:09 C 03 43 55.27 +15 11 00.5 – V Z43
2020-11-18 22:59:37 C 03 43 55.15 +15 10 29.6 – V Z43
2020-11-19 00:36:51 C 03 43 53.99 +15 06 09.8 – V 160
2020-11-19 00:48:30 C 03 43 53.92 +15 05 39.2 – V 160
2020-11-19 06:59:34 C 03 43 53.17 +14 49 14.7 – V 703
2020-11-19 07:07:05 C 03 43 53.07 +14 48 54.4 – V 703
2020-11-19 07:14:36 C 03 43 53.01 +14 48 34.3 – V 703
2020-11-19 07:22:08 C 03 43 52.93 +14 48 14.4 – V 703
2020-11-20 22:20:11 C 03 43 44.96 +13 08 30.4 – V A17
2020-11-20 22:37:08 C 03 43 44.82 +13 07 48.8 – V A17
2020-11-20 22:54:04 C 03 43 44.67 +13 07 07.2 – V A17
2020-11-21 01:45:07 C 03 43 45.09 +13 00 11.3 – V W46
2020-11-21 02:14:55 C 03 43 44.87 +12 58 58.7 – V W46
2020-11-21 02:50:56 C 03 43 44.59 +12 57 31.2 – V W46
2020-11-21 22:26:21 C 03 43 40.04 +12 10 29.2 – o K88
2020-11-21 22:27:21 C 03 43 40.04 +12 10 26.6 – o K88
2020-11-21 22:28:26 C 03 43 40.01 +12 10 24.1 – o K88
2020-11-21 22:51:28 C 03 43 39.85 +12 09 30.0 – o K88
2020-11-21 22:52:44 C 03 43 39.84 +12 09 27.0 – o K88
2020-11-21 22:54:00 C 03 43 39.82 +12 09 23.9 – o K88
2020-11-22 10:27:56 C 03 43 36.76 +11 42 36.0 – V 703
2020-11-22 10:36:56 C 03 43 36.76 +11 42 15.2 – V 703
2020-11-22 10:45:49 C 03 43 36.78 +11 41 54.2 – V 703
2020-11-23 01:29:03 C 03 43 34.67 +11 08 32.7 – V 160
2020-11-23 01:33:30 C 03 43 34.65 +11 08 22.5 – V 160
2020-11-23 01:37:58 C 03 43 34.67 +11 08 14.7 – V 160
2020-11-23 07:41:15 C 03 43 34.35 +10 54 52.5 – U I41
2020-11-23 07:54:32 C 03 43 34.24 +10 54 23.3 – U I41
2020-11-23 08:16:23 C 03 43 34.06 +10 53 35.2 – U I41
2020-11-23 08:17:45 C 03 43 34.05 +10 53 32.2 – U I41
2020-11-23 22:59:24 C 03 43 32.14 +10 21 39.3 – V 160
2020-11-23 23:03:51 C 03 43 32.14 +10 21 30.5 – V 160
2020-11-23 23:08:11 C 03 43 32.22 +10 21 19.3 – V 160
2020-11-24 04:38:20 C 03 43 32.25 +10 09 43.5 – V G96
2020-11-24 04:45:43 C 03 43 32.20 +10 09 28.1 – V G96
2020-11-24 04:53:08 C 03 43 32.13 +10 09 12.4 – V G96
2020-11-24 05:00:30 C 03 43 32.09 +10 08 57.0 – V G96