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
2008-12-07 11:20:00 C 10 32 51.83 -15 54 01.3 o H55
2008-12-07 11:22:49 C 10 32 52.37 -15 54 25.3 o H55
2023-10-19 08:00:51 C 06 22 43.964 +54 01 20.24 V G96
2023-10-19 08:08:18 C 06 22 46.218 +54 01 15.53 V G96
2023-10-19 08:15:46 C 06 22 48.446 +54 01 10.34 V G96
2023-10-19 08:23:12 C 06 22 50.729 +54 01 05.34 V G96
2023-10-19 09:05:45 C 06 23 03.400 +54 00 37.18 V H01
2023-10-19 09:10:39 C 06 23 04.878 +54 00 33.79 V H01
2023-10-19 09:26:46 C 06 23 09.725 +54 00 22.73 V H01
2023-10-19 09:35:24 C 06 23 12.311 +54 00 16.73 V H01
2023-10-19 10:42:07 C 06 23 31.86 +53 59 28.7 q 734
2023-10-19 10:48:18 C 06 23 33.77 +53 59 25.0 q 734
2023-10-19 10:54:27 C 06 23 35.56 +53 59 20.2 q 734
2023-10-19 11:56:08 C 06 23 54.517 +53 58 36.48 V I52
2023-10-19 11:57:06 C 06 23 54.899 +53 58 35.80 V I52
2023-10-19 12:01:03 C 06 23 56.044 +53 58 33.17 V I52
2023-10-19 12:02:00 C 06 23 56.245 +53 58 31.98 V I52
2023-10-22 13:52:14 C 06 47 00.537 +52 51 21.13 X F52
2023-10-22 14:11:38 C 06 47 06.470 +52 51 00.10 X F52
2023-10-22 14:31:00 C 06 47 12.358 +52 50 39.54 X F52
2023-10-22 14:50:22 C 06 47 18.252 +52 50 18.47 X F52
2023-10-23 00:56:59 C 06 50 31.070 +52 38 40.20 V J95
2023-10-23 01:09:26 C 06 50 35.026 +52 38 27.13 V J95
2023-10-23 08:18:53 C 06 52 50.67 +52 30 12.9 u H21
2023-10-23 08:35:00 C 06 52 55.61 +52 29 54.4 u H21
2023-10-23 08:41:19 C 06 52 57.57 +52 29 47.5 u H21
2023-10-23 11:25:46 C 06 53 49.045 +52 26 34.91 V I52
2023-10-23 11:28:53 C 06 53 50.010 +52 26 31.27 V I52
2023-10-23 11:32:01 C 06 53 50.968 +52 26 27.56 V I52
2023-10-30 12:21:09 C 07 47 17.566 +47 41 27.16 X F51
2023-10-30 12:32:20 C 07 47 20.898 +47 41 03.58 X F51
2023-10-30 12:43:31 C 07 47 24.379 +47 40 38.95 X F51
2023-10-30 12:54:44 C 07 47 27.788 +47 40 14.72 X F51