IAA RAS IAA Minor Planet Database

2011 BA

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6285189224 ± 9.32e-08
Semi-major axis (a)1.8515273047 AU ± 1.65e-08
Inclination (i)12.08330595° ± 1.68e-05
Long. of Asc. Node (Ω)67.10622663° ± 9.04e-05
Arg. of Perihelion (ω)153.13193605° ± 8.96e-05
Mean Anomaly (M)294.03623359° ± 3.19e-05
Mean Motion (n)0.3912164381°/day ± 5.24e-09
Perihelion dist (q)0.68780736 AU ± 1.73e-07
Aphelion dist (Q)3.01524725 AU ± 1.75e-07
Orbital Period2.51938873 yr ± 3.37e-08
Physical Parameters
H (abs. magnitude)20.11
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.399″
Uncertainty0
Orbit TypeApollo
MOID0.164189 AU
Observations Used77
Oppositions6
Arc Total2011-2021
First Observation Used2011-01-16
Last Observation Used2021-01-16
Observations (78)
Date Type RA Dec Mag Band Observatory
2011-01-16 06:36:00 C 10 30 00.03 +51 59 15.4 – r 703
2011-01-16 06:45:49 C 10 30 01.83 +51 59 43.5 – r 703
2011-01-16 06:55:37 C 10 30 03.67 +52 00 12.4 – r 703
2011-01-16 07:05:36 C 10 30 05.47 +52 00 39.0 – r 703
2011-01-16 09:03:25 C 10 30 27.39 +52 06 13.7 – r 703
2011-01-16 09:04:28 C 10 30 27.61 +52 06 18.0 – r 703
2011-01-16 09:05:34 C 10 30 27.90 +52 06 20.5 – r 703
2011-01-16 09:06:37 C 10 30 28.08 +52 06 23.7 – r 703
2011-01-16 11:25:57 C 10 30 53.74 +52 12 53.4 – o H06
2011-01-16 11:32:49 C 10 30 55.05 +52 13 12.2 – o H06
2011-01-16 11:39:43 C 10 30 56.24 +52 13 31.4 – o H06
2011-01-16 12:59:11 C 10 31 11.35 +52 17 12.3 – r 703
2011-01-16 13:01:20 C 10 31 11.82 +52 17 18.9 – r 703
2011-01-16 13:03:27 C 10 31 12.25 +52 17 24.5 – r 703
2011-01-16 13:05:37 C 10 31 12.61 +52 17 29.9 – r 703
2011-01-16 16:55:13 C 10 32 00.85 +52 28 22.4 – o 300
2011-01-16 16:57:06 C 10 32 01.21 +52 28 27.6 – o 300
2011-01-16 16:59:00 C 10 32 01.57 +52 28 32.8 – o 300
2011-01-16 17:00:52 C 10 32 01.90 +52 28 38.4 – o 300
2011-01-16 17:04:38 C 10 32 02.70 +52 28 49.4 – o 300
2011-01-17 01:37:19 C 10 33 46.95 +52 53 07.2 – v 204
2011-01-17 01:43:22 C 10 33 48.15 +52 53 24.2 – v 204
2011-01-17 01:49:25 C 10 33 49.40 +52 53 41.7 – v 204
2011-01-17 01:55:28 C 10 33 50.58 +52 53 59.1 – v 204
2011-01-17 02:01:31 C 10 33 51.80 +52 54 16.6 – v 204
2011-01-21 09:10:55 C 11 00 21.58 +58 13 08.1 – o H21
2011-01-21 09:16:32 C 11 00 23.31 +58 13 26.6 – o H21
2011-01-21 09:26:28 C 11 00 26.37 +58 13 59.4 – o H21
2011-01-21 19:26:59 C 11 03 42.05 +58 47 08.5 – o 300
2011-01-21 19:29:39 C 11 03 42.89 +58 47 18.3 – o 300
2011-01-21 19:32:18 C 11 03 43.78 +58 47 26.1 – o 300
2011-01-22 09:22:58 C 11 08 32.99 +59 33 48.9 – u H36
2011-01-22 09:34:29 C 11 08 36.99 +59 34 27.9 – u H36
2011-01-22 09:40:26 C 11 08 39.03 +59 34 47.7 – u H36
2011-01-22 09:52:07 C 11 08 43.06 +59 35 27.0 – u H36
2011-01-26 10:57:19 C 11 54 26.17 +65 09 48.0 – u H36
2011-01-26 11:00:44 C 11 54 28.12 +65 10 00.8 – u H36
2011-01-26 11:04:18 C 11 54 30.19 +65 10 11.9 – u H36
2011-01-30 11:22:16 C 13 14 13.71 +70 03 43.4 – o H21
2011-01-30 11:27:44 C 13 14 19.45 +70 03 56.3 – o H21
2011-01-30 11:33:24 C 13 14 25.41 +70 04 10.1 – o H21
2011-01-30 11:38:41 C 13 14 31.02 +70 04 22.3 – o H21
2011-01-30 11:44:00 C 13 14 36.64 +70 04 34.5 – o H21
2011-01-30 20:13:02 C 13 24 00.59 +70 24 07.3 – o 300
2011-01-30 20:17:21 C 13 24 05.27 +70 24 16.5 – o 300
2011-01-30 20:21:41 C 13 24 10.22 +70 24 26.5 – o 300
2011-01-30 20:26:00 C 13 24 14.97 +70 24 35.3 – o 300
2011-01-31 10:50:13 C 13 41 07.58 +70 53 41.1 – o H21
2011-01-31 10:56:43 C 13 41 15.31 +70 53 53.0 – o H21
2011-01-31 11:03:14 C 13 41 22.94 +70 54 04.9 – o H21