2015 BL311

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8439726537 ± 3.24e-08
Semi-major axis (a)2.3672314157 AU ± 1.15e-08
Inclination (i)1.72112642° ± 3.84e-06
Long. of Asc. Node (Ω)220.29051560° ± 2.21e-04
Arg. of Perihelion (ω)143.32801412° ± 2.22e-04
Mean Anomaly (M)1.81419971° ± 4.88e-06
Mean Motion (n)0.2706145869°/day ± 1.97e-09
Perihelion dist (q)0.36935284 AU ± 7.67e-08
Aphelion dist (Q)4.36511000 AU ± 7.96e-08
Orbital Period3.64217722 yr ± 2.66e-08
Physical Parameters
H (abs. magnitude)21.10
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.276″
Uncertainty0
Orbit TypeApollo
MOID0.015401 AU
Observations Used132
Oppositions8
Arc Total2015-2026
First Observation Used2015-01-21
Last Observation Used2026-01-11
Observations (151)
Date Type RA Dec Mag Band Observatory
2015-01-24 21:55:44 C 07 08 40.38 +12 29 19.4 q 203
2015-01-24 22:25:07 C 07 08 39.32 +12 30 23.6 q 203
2015-01-24 23:21:59 C 07 08 37.30 +12 32 26.2 t 130
2015-01-24 23:24:07 C 07 08 37.26 +12 32 31.0 t 130
2015-01-24 23:26:17 C 07 08 37.16 +12 32 35.4 t 130
2015-01-24 23:28:47 C 07 08 37.05 +12 32 40.9 t 130
2015-01-26 01:05:01 C 07 08 04.68 +13 22 40.5 q 160
2015-01-26 01:07:59 C 07 08 04.60 +13 22 45.2 q 160
2015-01-26 01:10:58 C 07 08 04.53 +13 22 50.6 q 160
2015-01-27 00:04:13 C 07 07 44.37 +14 00 07.7 q 160
2015-01-27 00:07:11 C 07 07 44.31 +14 00 12.1 q 160
2015-01-27 00:10:09 C 07 07 44.26 +14 00 18.3 q 160
2015-01-28 07:24:21 C 07 07 25.39 +14 42 45.9 R G45
2015-01-28 08:52:50 C 07 07 24.01 +14 44 31.9 R G45
2015-01-28 09:10:33 C 07 07 23.75 +14 44 52.4 R G45
2015-01-28 09:13:57 C 07 07 23.72 +14 44 56.8 R G45
2015-01-28 09:20:00 C 07 07 23.64 +14 45 03.6 R G45
2015-01-28 09:26:04 C 07 07 23.56 +14 45 11.1 R G45
2015-01-30 12:46:06 C 07 07 12.31 +15 39 29.7 q Q62
2015-01-30 12:47:19 C 07 07 12.34 +15 39 30.8 q Q62
2015-01-30 12:48:33 C 07 07 12.36 +15 39 31.3 q Q62
2015-02-07 03:25:43 C 07 08 20.37 +17 29 41.9 u H21
2015-02-07 03:33:32 C 07 08 20.39 +17 29 44.5 u H21
2015-02-07 03:41:36 C 07 08 20.47 +17 29 49.0 u H21
2015-02-18 05:33:39 C 07 13 14.15 +18 40 15.3 o 291
2015-02-18 06:00:39 C 07 13 14.70 +18 40 18.7 o 291
2015-02-20 02:28:00 C 07 14 21.16 +18 47 08.9 u H21
2015-02-20 02:47:26 C 07 14 21.56 +18 47 12.4 u H21
2018-05-06 03:28:54 C 15 30 37.145 -18 20 57.92 U 309
2018-05-06 03:30:38 C 15 30 36.942 -18 20 57.58 U 309
2018-05-06 03:32:23 C 15 30 36.773 -18 20 56.35 U 309
2018-05-06 03:34:07 C 15 30 36.593 -18 20 55.58 U 309
2018-05-06 03:35:51 C 15 30 36.398 -18 20 55.12 U 309
2018-05-06 03:37:35 C 15 30 36.216 -18 20 54.15 U 309
2018-05-06 03:39:20 C 15 30 36.037 -18 20 53.55 U 309
2018-05-06 03:41:04 C 15 30 35.843 -18 20 52.83 U 309
2018-05-06 03:42:48 C 15 30 35.668 -18 20 52.00 U 309
2018-05-06 03:44:33 C 15 30 35.477 -18 20 51.21 U 309
2018-05-07 06:33:05 C 15 27 46.45 -18 08 48.3 o 691
2018-05-07 07:16:19 C 15 27 41.59 -18 08 27.1 o 691
2018-06-02 04:51:12 C 13 34 10.06 -07 47 48.4 o 691
2018-06-02 05:02:40 C 13 34 07.09 -07 47 29.9 o 691
2018-06-02 05:14:04 C 13 34 04.08 -07 47 10.9 o 691
2018-06-04 06:46:37 C 13 21 07.857 -06 23 20.20 U F51
2018-06-04 07:03:43 C 13 21 03.193 -06 22 50.38 U F51
2018-06-04 07:20:48 C 13 20 58.565 -06 22 20.70 U F51
2018-06-04 07:37:53 C 13 20 53.897 -06 21 50.87 U F51
2025-12-19 12:13:59 C 13 28 28.84 -13 26 19.8 V 291
2025-12-19 12:26:38 C 13 28 25.32 -13 26 03.5 V 291
2026-01-11 19:10:41 C 11 02 36.037 +00 11 07.76 W O18