2008 WK61

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4198937528 ± 1.93e-07
Semi-major axis (a)1.6600277329 AU ± 1.66e-09
Inclination (i)17.16348519° ± 3.93e-05
Long. of Asc. Node (Ω)253.37816811° ± 1.34e-05
Arg. of Perihelion (ω)212.64470384° ± 1.23e-04
Mean Anomaly (M)323.43880810° ± 4.63e-05
Mean Motion (n)0.4608284263°/day ± 6.90e-10
Perihelion dist (q)0.96299246 AU ± 3.20e-07
Aphelion dist (Q)2.35706301 AU ± 3.20e-07
Orbital Period2.13881399 yr ± 3.20e-09
Physical Parameters
H (abs. magnitude)20.84
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.355″
Uncertainty0
Orbit TypeApollo
MOID0.021127 AU
Observations Used82
Oppositions8
Arc Total2008-2023
First Observation Used2008-11-21
Last Observation Used2023-10-30
Observations (83)
Date Type RA Dec Mag Band Observatory
2008-11-21 09:22:21 C 08 29 24.20 +49 10 31.7 18.3 c 704
2008-11-21 09:41:04 C 08 29 32.11 +49 08 29.4 18.2 c 704
2008-11-21 09:59:30 C 08 29 39.79 +49 06 28.2 18.4 c 704
2008-11-21 10:17:52 C 08 29 47.51 +49 04 27.4 18.4 c 704
2008-11-21 10:36:20 C 08 29 55.15 +49 02 26.1 18.2 c 704
2008-11-24 10:31:03 C 09 00 12.68 +39 42 10.8 18.3 c 704
2008-11-24 10:49:21 C 09 00 19.46 +39 39 29.2 18.5 c 704
2008-11-24 11:07:58 C 09 00 26.31 +39 36 42.9 18.3 c 704
2008-11-24 11:08:15 C 09 00 26.37 +39 36 39.8 17.8 c 704
2008-11-24 11:26:45 C 09 00 33.25 +39 33 55.1 18.1 c 704
2008-11-24 11:27:02 C 09 00 33.24 +39 33 52.5 17.9 c 704
2008-11-24 11:45:09 C 09 00 39.98 +39 31 10.6 18.3 c 704
2008-11-24 11:45:25 C 09 00 40.02 +39 31 07.9 17.9 c 704
2008-11-24 23:26:41 C 09 05 18.73 +37 43 14.4 r J95
2008-11-24 23:34:27 C 09 05 21.71 +37 42 03.3 r J95
2008-11-24 23:42:20 C 09 05 24.73 +37 40 50.5 r J95
2008-11-24 23:50:00 C 09 05 27.65 +37 39 40.3 r J95
2008-11-24 23:55:51 C 09 05 29.89 +37 38 46.4 r J95
2008-11-25 09:47:43 C 09 09 14.11 +36 05 50.0 r H36
2008-11-25 09:48:53 C 09 09 14.55 +36 05 38.4 r H36
2008-11-25 09:52:22 C 09 09 15.79 +36 05 05.0 r H36
2008-11-26 00:56:13 C 09 14 55.91 +33 35 53.8 r J95
2008-11-26 00:59:03 C 09 14 56.95 +33 35 25.5 r J95
2008-11-26 01:02:02 C 09 14 58.01 +33 34 55.8 r J95
2008-11-26 04:18:33 C 09 16 06.18 +33 02 10.2 v 204
2008-11-26 04:22:28 C 09 16 07.54 +33 01 30.1 v 204
2008-11-26 04:26:31 C 09 16 08.94 +33 00 48.8 v 204
2008-11-26 04:30:22 C 09 16 10.24 +33 00 09.8 v 204
2008-11-26 04:34:18 C 09 16 11.61 +32 59 29.7 v 204
2008-11-27 09:58:25 C 09 26 41.09 +27 49 02.2 o H55
2008-11-27 10:06:25 C 09 26 43.66 +27 47 35.1 o H55
2008-11-27 10:10:25 C 09 26 44.94 +27 46 51.4 o H55
2008-11-27 10:14:26 C 09 26 46.23 +27 46 07.8 o H55
2008-11-28 02:22:36 C 09 32 17.49 +24 46 42.4 r J95
2008-11-28 02:24:24 C 09 32 18.07 +24 46 22.2 r J95
2008-11-28 02:27:14 C 09 32 18.97 +24 45 50.7 r J95
2008-12-01 10:37:22 C 09 57 04.03 +09 11 52.4 17.6 c 704
2008-12-01 10:57:02 C 09 57 09.17 +09 08 02.1 18.2 c 704
2008-12-01 11:15:22 C 09 57 13.98 +09 04 27.6 18.3 c 704
2008-12-01 11:33:38 C 09 57 18.70 +09 00 54.2 18.3 c 704
2008-12-01 11:51:53 C 09 57 23.46 +08 57 20.8 18.3 c 704
2008-12-02 09:38:34 C 10 03 27.90 +04 44 26.4 r H45
2008-12-02 09:39:53 C 10 03 28.21 +04 44 11.9 r H45
2008-12-02 09:41:11 C 10 03 28.57 +04 43 56.8 r H45
2008-12-02 09:42:38 C 10 03 28.91 +04 43 39.4 r H45
2008-12-02 09:44:06 C 10 03 29.28 +04 43 23.2 r H45
2008-12-02 09:45:37 C 10 03 29.67 +04 43 05.5 r H45
2008-12-02 09:48:01 C 10 03 30.25 +04 42 38.2 r H45
2008-12-07 11:13:28 C 10 32 50.56 -15 53 05.1 o H55
2008-12-07 11:16:45 C 10 32 51.21 -15 53 33.1 o H55