277473 (2005 WD1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4415289561 ± 7.33e-08
Semi-major axis (a)2.1999271076 AU ± 1.02e-08
Inclination (i)43.07339274° ± 1.51e-05
Long. of Asc. Node (Ω)52.26937114° ± 1.20e-05
Arg. of Perihelion (ω)285.94562996° ± 1.81e-05
Mean Anomaly (M)99.93567016° ± 1.23e-05
Mean Motion (n)0.3020646053°/day ± 2.11e-09
Perihelion dist (q)1.22859559 AU ± 1.61e-07
Aphelion dist (Q)3.17125863 AU ± 1.62e-07
Orbital Period3.26296516 yr ± 2.28e-08
Physical Parameters
H (abs. magnitude)16.81
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual1.434″
Uncertainty0
Orbit TypeAmor
MOID0.495785 AU
Observations Used1085
Oppositions15
Arc Total2004-2026
First Observation Used2004-04-17
Last Observation Used2026-01-11
Observations (1940)
Date Type RA Dec Mag Band Observatory
2021-05-31 06:04:03 s 1 +111541.76 4 +347774.49 5780.0 C57
2021-05-31 06:44:03 S 16 30 32.978 -64 49 19.24 V C57
2021-05-31 06:44:03 s 1 +110301.42 0 +349081.73 1830.0 C57
2021-05-31 07:24:03 S 16 30 24.372 -64 50 41.82 V C57
2021-05-31 07:24:03 s 1 +109055.86 8 +350372.88 7070.0 C57
2021-05-31 10:04:03 S 16 29 49.169 -64 55 48.43 V C57
2021-05-31 10:04:03 s 1 +104023.42 9 +355377.45 4440.0 C57
2021-05-31 10:14:03 S 16 29 45.598 -64 56 13.60 V C57
2021-05-31 10:14:03 s 1 +103706.31 6 +355681.79 1480.0 C57
2021-05-31 10:24:03 S 16 29 45.415 -64 56 26.81 V C57
2021-05-31 10:24:03 s 1 +103388.90 8 +355985.13 7910.0 C57
2021-05-31 11:34:03 S 16 29 27.449 -64 58 47.57 V C57
2021-05-31 11:34:03 s 1 +101158.87 7 +358080.86 6290.0 C57
2021-05-31 11:54:03 S 16 29 23.964 -64 59 14.60 V C57
2021-05-31 11:54:03 s 1 +100519.13 9 +358670.77 9150.0 C57
2021-05-31 12:04:03 S 16 29 22.438 -64 59 40.52 V C57
2021-05-31 12:04:03 s 1 +100198.84 6 +358964.25 9720.0 C57
2021-05-31 12:14:03 S 16 29 18.446 -64 59 57.41 V C57
2021-05-31 12:14:03 s 1 +99878.272 0 +359256.75 9720.0 C57
2021-05-31 12:24:03 S 16 29 18.101 -65 00 23.83 V C57
2021-05-31 12:24:03 s 1 +99557.417 0 +359548.27 9160.0 C57
2021-05-31 12:44:03 S 16 29 14.045 -65 01 00.19 V C57
2021-05-31 12:44:03 s 1 +98914.874 0 +360128.36 6350.0 C57
2021-05-31 12:54:03 S 16 29 10.836 -65 01 14.12 V C57
2021-05-31 12:54:03 s 1 +98593.250 0 +360416.99 4690.0 C57
2021-05-31 13:04:03 S 16 29 08.390 -65 01 30.68 V C57
2021-05-31 13:04:03 s 1 +98274.103 0 +360706.76 7840.0 C57
2021-05-31 15:04:03 S 16 28 41.333 -65 05 28.10 V C57
2021-05-31 15:04:03 s 1 +94389.536 0 +364081.85 680.0 C57
2021-05-31 15:24:03 S 16 28 37.702 -65 06 07.45 V C57
2021-05-31 15:24:03 s 1 +93738.460 0 +364630.78 730.0 C57
2021-05-31 15:54:03 S 16 28 30.550 -65 06 59.72 V C57
2021-05-31 15:54:03 s 1 +92759.932 0 +365446.91 7030.0 C57
2021-05-31 16:04:03 S 16 28 28.903 -65 07 24.24 V C57
2021-05-31 16:04:03 s 1 +92433.250 0 +365717.02 4800.0 C57
2021-05-31 16:24:03 S 16 28 23.662 -65 08 04.60 V C57
2021-05-31 16:24:03 s 1 +91779.134 0 +366254.35 8850.0 C57
2021-05-31 16:34:03 S 16 28 21.434 -65 08 17.88 V C57
2021-05-31 16:34:03 s 1 +91451.704 0 +366521.56 5140.0 C57
2021-05-31 16:54:03 S 16 28 16.414 -65 09 02.48 V C57
2021-05-31 16:54:03 s 1 +90796.101 0 +367053.10 6270.0 C57
2021-05-31 17:04:03 S 16 28 14.750 -65 09 18.29 V C57
2021-05-31 17:04:03 s 1 +90467.933 0 +367317.42 1110.0 C57
2021-05-31 17:24:03 S 16 28 09.670 -65 09 54.07 V C57
2021-05-31 17:24:03 s 1 +89810.865 0 +367843.19 9370.0 C57
2021-05-31 17:54:03 S 16 28 03.559 -65 10 56.78 V C57
2021-05-31 17:54:03 s 1 +88823.458 0 +368624.63 8230.0 C57
2021-05-31 18:04:03 S 16 28 00.478 -65 11 15.65 V C57
2021-05-31 18:04:03 s 1 +88493.846 0 +368883.19 260.0 C57
2021-05-31 19:04:03 S 16 27 46.942 -65 13 10.52 V C57