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
2021-05-28 18:54:03 s 1 +183492.35 3 +159029.89 5680.0 C57
2021-05-28 19:04:03 S 16 42 40.805 -62 53 18.28 V C57
2021-05-28 19:04:03 s 1 +183472.93 9 +159794.22 5160.0 C57
2021-05-28 19:34:03 S 16 42 34.834 -62 54 16.13 V C57
2021-05-28 19:34:03 s 1 +183404.22 4 +162078.15 9160.0 C57
2021-05-28 19:44:03 S 16 42 33.098 -62 54 40.28 V C57
2021-05-28 19:44:03 s 1 +183377.86 2 +162836.45 2420.0 C57
2021-05-28 19:54:03 S 16 42 30.437 -62 54 52.85 V C57
2021-05-28 19:54:03 s 1 +183349.78 9 +163593.23 1690.0 C57
2021-05-28 20:04:03 S 16 42 29.076 -62 55 16.32 V C57
2021-05-28 20:04:03 s 1 +183320.01 4 +164348.51 6990.0 C57
2021-05-28 20:14:03 S 16 42 27.283 -62 55 34.36 V C57
2021-05-28 20:14:03 s 1 +183288.54 7 +165102.29 8340.0 C57
2021-05-28 21:04:03 S 16 42 17.837 -62 57 14.44 V C57
2021-05-28 21:04:03 s 1 +183106.17 6 +168848.66 6740.0 C57
2021-05-28 21:14:03 S 16 42 16.265 -62 57 32.44 V C57
2021-05-28 21:14:03 s 1 +183064.76 1 +169593.45 4910.0 C57
2021-05-28 21:24:03 S 16 42 14.040 -62 57 53.14 V C57
2021-05-28 21:24:03 s 1 +183021.72 1 +170336.75 9290.0 C57
2021-05-28 22:24:03 S 16 42 02.299 -62 59 51.50 V C57
2021-05-28 22:24:03 s 1 +182729.87 2 +174765.28 7360.0 C57
2021-05-28 22:34:03 S 16 42 01.248 -63 00 14.33 V C57
2021-05-28 22:34:03 s 1 +182675.71 3 +175498.17 5870.0 C57
2021-05-28 23:34:03 S 16 41 48.024 -63 02 08.63 V C57
2021-05-28 23:34:03 s 1 +182318.45 2 +179864.57 1830.0 C57
2021-05-28 23:54:03 S 16 41 44.592 -63 02 40.49 V C57
2021-05-28 23:54:03 s 1 +182187.26 2 +181308.28 5700.0 C57
2021-05-29 00:04:03 S 16 41 42.506 -63 03 11.23 V C57
2021-05-29 00:04:03 s 1 +182119.43 5 +182027.93 2460.0 C57
2021-05-29 00:14:03 S 16 41 42.218 -63 03 22.54 V C57
2021-05-29 00:14:03 s 1 +182050.13 2 +182746.13 5790.0 C57
2021-05-29 00:34:03 S 16 41 38.179 -63 04 10.42 V C57
2021-05-29 00:34:03 s 1 +181907.12 7 +184178.13 2250.0 C57
2021-05-29 03:04:03 S 16 41 08.969 -63 08 53.88 V C57
2021-05-29 03:04:03 s 1 +180653.68 0 +194733.42 6450.0 C57
2021-05-29 03:34:03 S 16 41 02.412 -63 09 54.47 V C57
2021-05-29 03:34:03 s 1 +180366.03 8 +196805.68 1780.0 C57
2021-05-29 03:44:03 S 16 41 00.826 -63 10 15.35 V C57
2021-05-29 03:44:03 s 1 +180267.51 2 +197493.58 7440.0 C57
2021-05-29 04:24:03 S 16 40 51.806 -63 11 27.78 V C57
2021-05-29 04:24:03 s 1 +179860.36 7 +200231.00 9980.0 C57
2021-05-29 04:44:03 S 16 40 49.325 -63 12 11.88 V C57
2021-05-29 04:44:03 s 1 +179649.06 7 +201591.21 8400.0 C57
2021-05-29 05:14:03 S 16 40 43.368 -63 13 09.98 V C57
2021-05-29 05:14:03 s 1 +179322.60 6 +203620.95 4090.0 C57
2021-05-29 06:24:03 S 16 40 29.561 -63 15 27.47 V C57
2021-05-29 06:24:03 s 1 +178517.40 4 +208307.92 7190.0 C57
2021-05-29 06:44:03 S 16 40 26.112 -63 16 01.13 V C57
2021-05-29 06:44:03 s 1 +178276.40 1 +209634.49 7150.0 C57
2021-05-29 07:24:03 S 16 40 18.377 -63 17 20.33 V C57