2011 BW18

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5817820489 ± 8.13e-08
Semi-major axis (a)2.6174415599 AU ± 2.82e-08
Inclination (i)4.88324710° ± 9.10e-06
Long. of Asc. Node (Ω)95.39816713° ± 8.47e-05
Arg. of Perihelion (ω)334.52779785° ± 8.51e-05
Mean Anomaly (M)183.07688770° ± 2.04e-05
Mean Motion (n)0.2327538028°/day ± 3.76e-09
Perihelion dist (q)1.09466105 AU ± 2.13e-07
Aphelion dist (Q)4.14022207 AU ± 2.18e-07
Orbital Period4.23463020 yr ± 6.83e-08
Physical Parameters
H (abs. magnitude)19.21
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.225″
Uncertainty0
Orbit TypeAmor
MOID0.113986 AU
Observations Used59
Oppositions11
Arc Total2010-2024
First Observation Used2010-08-18
Last Observation Used2024-03-16
Observations (70)
Date Type RA Dec Mag Band Observatory
2014-08-03 10:01:31 C 20 06 46.158 -23 59 37.42 V F51
2014-08-04 10:15:51 C 20 05 30.656 -24 04 33.63 V F51
2014-08-04 10:50:57 C 20 05 28.773 -24 04 39.79 V F51
2023-09-28 11:48:46 C 08 26 42.07 +17 18 57.6 V 695
2023-09-28 12:00:20 C 08 26 44.08 +17 18 53.0 V 695
2023-09-28 12:09:49 C 08 26 45.72 +17 18 49.3 V 695
2024-01-21 14:57:24 C 12 56 54.118 +01 06 14.60 X F51
2024-01-21 15:06:29 C 12 56 54.263 +01 06 15.14 X F52
2024-01-21 15:14:29 C 12 56 54.363 +01 06 15.82 X F51
2024-01-21 15:15:24 C 12 56 54.373 +01 06 15.96 X F51
2024-01-21 15:17:52 C 12 56 54.428 +01 06 15.95 X F52
2024-01-21 15:29:13 C 12 56 54.560 +01 06 16.98 X F52
2024-01-21 15:31:28 C 12 56 54.610 +01 06 17.58 X F51
2024-01-21 15:32:24 C 12 56 54.613 +01 06 17.45 X F51
2024-01-21 15:40:35 C 12 56 54.734 +01 06 18.31 X F52
2024-01-21 15:48:22 C 12 56 54.850 +01 06 18.84 X F51
2024-01-21 15:49:17 C 12 56 54.877 +01 06 18.83 X F51
2024-03-16 12:35:31 C 12 20 33.681 +07 36 43.41 X F52
2024-03-16 12:52:26 C 12 20 32.745 +07 36 48.57 X F52
2024-03-16 13:09:21 C 12 20 31.800 +07 36 54.24 X F52