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
2011-01-25 15:22:26 S 02 38 37.354 +07 54 31.25 L C51
2011-01-25 16:57:36 S 02 39 53.734 +08 02 26.05 L C51
2011-01-25 20:08:07 S 02 42 25.858 +08 18 06.59 L C51
2011-01-27 03:52:50 C 03 06 43.81 +10 43 43.8 r 703
2011-01-27 04:01:06 C 03 06 49.82 +10 44 18.2 r 703
2011-01-27 04:09:15 C 03 06 55.65 +10 44 52.6 r 703
2011-01-27 04:17:25 C 03 07 01.63 +10 45 26.8 r 703
2011-01-27 04:26:04 C 03 07 07.89 +10 46 04.4 r 703
2011-01-27 04:26:55 C 03 07 08.58 +10 46 08.1 r 703
2011-01-27 04:27:44 C 03 07 09.08 +10 46 11.2 r 703
2011-01-27 04:28:34 C 03 07 09.73 +10 46 16.2 r 703
2011-01-27 05:27:18 C 03 07 52.29 +10 50 23.4 c 854
2011-01-27 05:34:31 C 03 07 57.81 +10 50 54.3 c 854
2011-01-27 05:36:10 C 03 07 58.72 +10 51 01.0 r 703
2011-01-27 05:37:12 C 03 07 59.55 +10 51 05.4 r 703
2011-01-27 05:38:11 C 03 08 00.27 +10 51 09.8 r 703
2011-01-27 05:39:12 C 03 08 01.12 +10 51 14.8 r 703
2011-01-27 05:41:41 C 03 08 02.77 +10 51 25.2 c 854
2011-01-28 01:01:50 C 03 21 50.47 +12 10 31.2 u I19
2011-01-28 01:09:52 C 03 21 56.03 +12 11 02.5 u I19
2011-01-28 01:19:19 C 03 22 02.35 +12 11 38.5 u I19
2011-01-28 01:27:21 C 03 22 07.86 +12 12 09.9 u I19
2011-01-28 02:13:37 C 03 22 41.30 +12 14 22.9 o 695
2011-01-28 02:14:41 C 03 22 42.06 +12 14 27.2 o 695
2011-01-28 02:15:36 C 03 22 42.65 +12 14 30.5 o 695
2011-01-28 03:20:28 C 03 23 26.16 +12 18 32.9 u H36
2011-01-28 03:26:48 C 03 23 30.45 +12 18 56.6 u H36
2011-01-28 03:33:23 C 03 23 34.90 +12 19 21.5 u H36
2011-01-28 03:40:05 C 03 23 39.47 +12 19 47.1 u H36
2011-01-28 05:18:54 C 03 24 46.63 +12 26 03.0 o H01
2011-01-28 05:29:00 C 03 24 53.46 +12 26 40.9 o H01
2011-01-28 05:39:21 C 03 25 00.48 +12 27 19.6 o H01
2011-01-28 05:50:58 C 03 25 08.34 +12 28 03.0 o H01
2011-01-29 02:06:18 C 03 38 33.98 +13 40 12.3 o H21
2011-01-29 02:10:45 C 03 38 36.79 +13 40 27.1 o H21
2011-01-29 02:14:53 C 03 38 39.39 +13 40 41.3 o H21
2011-01-29 02:18:37 C 03 38 41.76 +13 40 53.6 o H21
2011-01-29 05:14:03 C 03 40 32.77 +13 50 42.8 o 291
2011-01-29 05:19:50 C 03 40 36.43 +13 51 02.4 o 291
2011-01-29 09:41:49 C 03 43 22.01 +14 06 06.8 o 474
2011-01-29 09:43:19 C 03 43 22.84 +14 06 12.0 o 474
2011-01-29 09:44:29 C 03 43 23.61 +14 06 15.8 o 474
2011-01-29 09:45:39 C 03 43 24.21 +14 06 19.0 o 474
2011-01-29 09:46:49 C 03 43 25.02 +14 06 23.9 o 474
2011-01-31 01:31:47 C 04 06 41.13 +16 00 03.1 o H21
2011-01-31 01:36:08 C 04 06 43.48 +16 00 14.2 o H21
2011-01-31 01:40:34 C 04 06 45.84 +16 00 25.5 o H21
2011-01-31 01:45:09 C 04 06 48.33 +16 00 37.3 o H21
2011-01-31 11:31:56 C 04 12 02.91 +16 24 55.1 o 300
2011-01-31 11:36:17 C 04 12 05.10 +16 25 04.5 o 300