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
2010-08-18 11:57:28 C 22 30 34.360 -18 02 48.95 V F51
2010-08-18 12:14:23 C 22 30 33.600 -18 02 56.49 V F51
2010-08-18 12:27:00 C 22 30 33.033 -18 03 02.03 V F51
2010-09-16 09:53:01 C 21 53 59.822 -22 58 21.87 V F51
2010-09-16 10:08:40 C 21 53 58.957 -22 58 26.58 V F51
2010-11-09 19:04:42 S 21 52 52.661 -21 26 42.76 L C51
2010-11-10 04:36:04 S 21 53 25.747 -21 22 35.65 L C51
2010-11-10 07:46:24 S 21 53 36.814 -21 21 13.72 L C51
2010-11-10 07:46:35 S 21 53 36.840 -21 21 13.79 L C51
2010-11-10 10:56:55 S 21 53 48.010 -21 19 50.59 L C51
2011-01-23 03:29:27 C 01 20 23.13 +06 35 03.4 r G96
2011-01-23 03:36:44 C 01 20 24.32 +06 35 12.6 r G96
2011-01-23 03:44:15 C 01 20 25.62 +06 35 23.6 r G96
2011-01-23 03:51:42 C 01 20 26.88 +06 35 33.7 r G96
2011-01-23 04:43:26 C 01 20 35.55 +06 36 43.9 r G96
2011-01-23 04:45:46 C 01 20 35.95 +06 36 46.6 r G96
2011-01-23 04:46:56 C 01 20 36.10 +06 36 47.5 r G96
2011-01-28 02:46:14 C 01 41 02.65 +09 17 38.9 r G96
2011-01-28 02:54:44 C 01 41 04.12 +09 17 50.5 r G96
2011-01-28 03:03:19 C 01 41 05.64 +09 18 02.5 r G96
2011-01-28 03:11:57 C 01 41 07.11 +09 18 13.7 r G96
2011-01-28 04:06:35 C 01 41 16.69 +09 19 27.7 r G96
2011-01-28 04:10:22 C 01 41 17.34 +09 19 32.6 r G96
2011-01-28 04:14:13 C 01 41 18.06 +09 19 38.1 r G96
2011-01-28 04:18:03 C 01 41 18.63 +09 19 42.7 r G96
2011-01-28 04:46:24 C 01 41 23.62 +09 20 21.2 o H01
2011-01-28 04:55:48 C 01 41 25.26 +09 20 33.8 o H01
2011-01-28 05:05:38 C 01 41 27.00 +09 20 47.3 o H01
2011-01-28 05:16:03 C 01 41 28.82 +09 21 01.3 o H01
2011-01-30 05:47:07 C 01 50 07.520 +10 26 41.04 L F51
2011-01-30 06:01:59 C 01 50 10.152 +10 27 01.06 L F51
2011-01-30 06:08:58 C 01 50 11.383 +10 27 10.47 L F51
2011-02-05 04:08:09 C 02 16 12.24 +13 34 51.8 o 291
2011-02-05 04:13:33 C 02 16 13.18 +13 34 59.3 o 291
2011-02-05 04:18:59 C 02 16 14.17 +13 35 06.1 o 291
2011-03-06 02:46:25 C 04 32 27.78 +24 59 17.4 r G96
2011-03-06 03:00:31 C 04 32 30.51 +24 59 25.4 r G96
2011-03-06 03:10:36 C 04 32 32.46 +24 59 31.5 r G96
2011-03-06 03:20:34 C 04 32 34.40 +24 59 37.2 r G96
2014-07-27 09:49:08 C 20 15 28.874 -23 23 27.31 V F51
2014-07-29 08:38:20 C 20 13 04.491 -23 33 48.39 V F51
2014-07-29 08:55:48 C 20 13 03.557 -23 33 52.96 V F51
2014-07-29 09:13:18 C 20 13 02.581 -23 33 56.64 V F51
2014-07-29 09:30:48 C 20 13 01.701 -23 34 00.36 V F51
2014-07-31 08:55:09 C 20 10 34.342 -23 44 17.68 V F51
2014-07-31 09:13:00 C 20 10 33.393 -23 44 21.16 V F51
2014-07-31 09:30:53 C 20 10 32.430 -23 44 24.96 V F51
2014-08-03 09:10:19 C 20 06 48.900 -23 59 27.21 V F51
2014-08-03 09:27:22 C 20 06 47.979 -23 59 30.42 V F51
2014-08-03 09:44:27 C 20 06 47.075 -23 59 33.58 V F51