2021 WP

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1566141669 ± 5.35e-05
Semi-major axis (a)1.1051039060 AU ± 4.61e-05
Inclination (i)3.80847071° ± 1.32e-03
Long. of Asc. Node (Ω)58.19100933° ± 1.03e-03
Arg. of Perihelion (ω)306.76359748° ± 2.26e-03
Mean Anomaly (M)199.61900917° ± 8.08e-02
Mean Motion (n)0.8484135680°/day ± 5.31e-05
Perihelion dist (q)0.93202898 AU ± 7.08e-05
Aphelion dist (Q)1.27817883 AU ± 7.96e-05
Orbital Period1.16172857 yr ± 7.28e-05
Physical Parameters
H (abs. magnitude)27.86
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.435″
Uncertainty2
Orbit TypeApollo
MOID0.001618 AU
Observations Used23
Oppositions1
Arc Total2021-2021
First Observation Used2021-11-24
Last Observation Used2021-11-26
Observations (23)
Date Type RA Dec Mag Band Observatory
2021-11-24 09:45:26 C 04 43 56.42 +57 40 19.7 V T08
2021-11-24 09:48:05 C 04 43 54.42 +57 40 02.0 V T08
2021-11-24 09:52:05 C 04 43 51.59 +57 39 38.2 V T08
2021-11-24 10:02:03 C 04 43 44.64 +57 38 33.9 V T08
2021-11-24 13:47:54 C 04 41 22.14 +57 08 25.3 V T05
2021-11-24 13:48:33 C 04 41 21.86 +57 08 19.9 V T05
2021-11-24 13:49:13 C 04 41 21.59 +57 08 14.1 V T05
2021-11-24 13:49:52 C 04 41 21.21 +57 08 08.1 V T05
2021-11-24 19:19:49 C 04 43 24.69 +56 26 19.2 V L01
2021-11-24 19:21:18 C 04 43 24.28 +56 26 14.2 V L01
2021-11-24 19:22:48 C 04 43 23.88 +56 26 09.1 V L01
2021-11-24 19:24:18 C 04 43 23.44 +56 26 04.2 V L01
2021-11-24 19:25:48 C 04 43 22.99 +56 25 59.1 V L01
2021-11-24 21:13:05 C 04 42 44.64 +56 19 19.3 X 595
2021-11-24 21:37:13 C 04 42 34.71 +56 17 41.2 X 595
2021-11-24 21:49:17 C 04 42 29.57 +56 16 50.2 X 595
2021-11-24 22:01:22 C 04 42 24.51 +56 15 58.1 X 595
2021-11-25 00:48:36 C 04 43 05.79 +55 57 03.3 X W34
2021-11-25 01:05:17 C 04 43 02.16 +55 56 25.5 X W34
2021-11-25 01:20:28 C 04 42 58.60 +55 55 50.5 X W34
2021-11-26 05:20:19 C 04 40 07.46 +54 16 10.6 V 734
2021-11-26 05:27:03 C 04 40 05.31 +54 15 55.9 V 734
2021-11-26 06:03:25 C 04 39 53.90 +54 14 29.6 V 734