2011 BY18

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7832395570 ± 8.62e-08
Semi-major axis (a)2.2630476666 AU ± 1.29e-08
Inclination (i)3.64697748° ± 1.38e-05
Long. of Asc. Node (Ω)135.18772109° ± 8.20e-05
Arg. of Perihelion (ω)240.14367667° ± 8.78e-05
Mean Anomaly (M)138.04769066° ± 9.42e-06
Mean Motion (n)0.2895154360°/day ± 2.47e-09
Perihelion dist (q)0.49053921 AU ± 1.95e-07
Aphelion dist (Q)4.03555612 AU ± 1.96e-07
Orbital Period3.40439977 yr ± 2.90e-08
Physical Parameters
H (abs. magnitude)20.81
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.368″
Uncertainty0
Orbit TypeApollo
MOID0.023099 AU
Observations Used93
Oppositions9
Arc Total2011-2024
First Observation Used2011-01-27
Last Observation Used2024-06-06
Observations (102)
Date Type RA Dec Mag Band Observatory
2011-01-31 11:40:37 C 04 12 07.32 +16 25 15.0 o 300
2011-01-31 22:39:26 C 04 17 47.24 +16 50 39.0 v 204
2011-01-31 22:49:41 C 04 17 52.38 +16 51 01.8 v 204
2011-01-31 22:59:49 C 04 17 57.48 +16 51 24.6 v 204
2011-02-01 22:06:08 C 04 29 12.52 +17 39 50.6 v 204
2011-02-01 22:27:29 C 04 29 22.40 +17 40 31.6 v 204
2011-02-01 22:44:30 C 04 29 30.23 +17 41 04.3 v 204
2011-02-03 02:08:15 C 04 41 42.83 +18 30 17.8 c 926
2011-02-03 02:11:37 C 04 41 44.26 +18 30 23.3 c 926
2011-02-03 02:15:01 C 04 41 45.67 +18 30 29.3 c 926
2011-02-03 02:18:24 C 04 41 47.05 +18 30 34.2 c 926
2011-02-03 02:21:47 C 04 41 48.47 +18 30 39.5 c 926
2011-02-03 02:25:10 C 04 41 49.88 +18 30 44.3 c 926
2011-02-05 05:31:24 C 05 01 38.58 +19 42 56.2 o 291
2011-02-05 05:42:44 C 05 01 42.50 +19 43 09.0 o 291
2011-02-10 02:33:31 C 05 36 24.82 +21 25 21.5 o H21
2011-02-10 02:42:17 C 05 36 26.94 +21 25 26.9 o H21
2011-02-10 02:59:49 C 05 36 31.21 +21 25 37.7 o H21
2011-02-10 03:08:34 C 05 36 33.32 +21 25 43.2 o H21
2011-02-10 05:21:45 C 05 37 05.92 +21 27 07.3 o 291
2011-02-10 05:35:21 C 05 37 09.21 +21 27 15.3 o 291
2011-02-11 05:13:40 C 05 42 46.63 +21 40 41.2 o 291
2011-02-11 05:19:22 C 05 42 47.82 +21 40 44.4 o 291
2011-02-11 05:25:31 C 05 42 49.31 +21 40 46.7 o 291
2011-02-23 07:43:19 C 06 31 31.69 +22 57 37.9 o 291
2011-02-23 07:49:04 C 06 31 32.46 +22 57 38.7 o 291
2011-02-23 07:54:47 C 06 31 33.10 +22 57 39.1 o 291
2011-03-01 06:29:34 C 06 47 45.82 +23 05 46.8 o 291
2011-03-01 06:42:27 C 06 47 47.16 +23 05 46.4 o 291
2011-03-02 06:51:59 C 06 50 15.42 +23 06 08.5 o 291
2011-03-02 06:57:45 C 06 50 15.96 +23 06 09.9 o 291
2011-03-02 07:05:45 C 06 50 16.82 +23 06 09.6 o 291
2017-07-15 06:58:11 C 14 02 33.781 -07 11 57.90 U T14
2017-07-15 07:00:37 C 14 02 33.718 -07 11 57.95 U T14
2017-07-15 07:03:01 C 14 02 33.652 -07 11 57.95 U T14
2017-07-16 06:11:22 C 14 01 59.924 -07 12 35.33 U T14
2017-07-16 06:13:47 C 14 01 59.864 -07 12 35.41 U T14
2017-07-16 06:16:13 C 14 01 59.799 -07 12 35.48 U T14
2017-07-16 06:18:41 C 14 01 59.737 -07 12 35.58 U T14
2018-02-10 08:06:42 C 10 47 02.61 +09 45 08.1 o 291
2018-02-10 08:28:15 C 10 47 00.67 +09 45 21.3 o 291
2018-02-10 08:49:49 C 10 46 58.71 +09 45 33.9 o 291
2024-05-19 08:34:47 C 19 39 18.69 -13 25 22.4 V 291
2024-05-19 08:56:04 C 19 39 21.40 -13 25 08.1 V 291
2024-05-19 09:17:24 C 19 39 24.08 -13 24 53.8 V 291
2024-06-03 09:27:57 C 20 51 47.85 -06 13 36.2 V 291
2024-06-03 09:34:18 C 20 51 49.82 -06 13 22.9 V 291
2024-06-03 09:40:46 C 20 51 51.86 -06 13 09.5 V 291
2024-06-06 08:53:26 C 21 17 33.936 -03 23 13.24 V G96
2024-06-06 09:00:21 C 21 17 36.719 -03 22 54.34 V G96