2017 BM31

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4933082146 ± 1.55e-08
Semi-major axis (a)1.7826693545 AU ± 4.50e-08
Inclination (i)6.61019468° ± 2.72e-06
Long. of Asc. Node (Ω)132.60606018° ± 1.18e-05
Arg. of Perihelion (ω)96.12247670° ± 1.26e-05
Mean Anomaly (M)204.16251545° ± 4.24e-05
Mean Motion (n)0.4141008082°/day ± 1.57e-08
Perihelion dist (q)0.90326392 AU ± 3.58e-08
Aphelion dist (Q)2.66207479 AU ± 7.26e-08
Orbital Period2.38016025 yr ± 9.01e-08
Physical Parameters
H (abs. magnitude)20.76
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.240″
Uncertainty0
Orbit TypeApollo
MOID0.064524 AU
Observations Used346
Radar Obs Used3
Oppositions1
Arc Total2015-2022
First Observation Used2015-10-08
Last Observation Used2022-09-27
Observations (360)
Date Type RA Dec Mag Band Observatory
2017-07-07 21:36:19 C 17 06 55.42 +29 42 54.9 q 203
2017-07-07 22:46:50 C 17 07 40.74 +29 31 00.4 q 203
2017-07-08 09:48:29 C 17 14 50.71 +27 40 43.5 L T05
2017-07-08 10:02:48 C 17 14 59.30 +27 38 18.2 L T05
2017-07-08 10:18:39 C 17 15 08.79 +27 35 37.7 L T05
2017-07-08 10:26:04 C 17 15 13.24 +27 34 22.5 L T05
2017-07-08 23:30:34 C 17 23 15.08 +25 22 54.6 U Z80
2017-07-08 23:34:07 C 17 23 17.13 +25 22 19.8 U Z80
2017-07-08 23:37:41 C 17 23 19.15 +25 21 44.4 U Z80
2017-07-08 23:41:14 C 17 23 21.15 +25 21 08.8 U Z80
2017-07-08 23:44:47 C 17 23 23.14 +25 20 33.4 U Z80
2017-07-08 23:48:20 C 17 23 25.21 +25 19 58.4 U Z80
2017-07-10 02:24:35 C 17 38 12.80 +21 02 08.7 q I15
2017-07-10 02:26:37 C 17 38 13.80 +21 01 49.5 q I15
2017-07-10 02:28:39 C 17 38 14.79 +21 01 30.4 q I15
2017-07-10 03:05:38 C 17 38 34.77 +20 55 43.5 u H21
2017-07-10 03:08:24 C 17 38 36.14 +20 55 17.4 u H21
2017-07-10 03:10:48 C 17 38 37.32 +20 54 54.8 u H21
2017-07-10 03:13:19 C 17 38 38.55 +20 54 31.2 u H21
2017-07-10 03:15:50 C 17 38 39.79 +20 54 07.4 u H21
2017-07-10 03:18:21 C 17 38 41.02 +20 53 43.7 u H21
2017-07-10 03:20:53 C 17 38 42.26 +20 53 20.0 u H21
2017-07-10 03:23:24 C 17 38 43.49 +20 52 56.3 u H21
2017-07-10 03:25:55 C 17 38 44.72 +20 52 32.6 u H21
2017-07-10 03:28:26 C 17 38 45.96 +20 52 08.7 u H21
2017-07-10 03:30:57 C 17 38 47.19 +20 51 45.0 u H21
2017-07-10 03:33:28 C 17 38 48.43 +20 51 21.3 u H21
2017-07-10 03:35:59 C 17 38 49.66 +20 50 57.7 u H21
2017-07-10 03:38:30 C 17 38 50.89 +20 50 34.0 u H21
2017-07-10 03:41:01 C 17 38 52.12 +20 50 10.3 u H21
2017-07-10 03:43:32 C 17 38 53.34 +20 49 46.6 u H21
2017-07-10 20:45:20 C 17 47 19.99 +18 12 02.4 q K14
2017-07-10 20:59:10 C 17 47 26.24 +18 09 57.8 q K14
2017-07-10 21:04:44 C 17 47 28.75 +18 09 07.8 q K14
2017-07-10 21:10:09 C 17 47 31.17 +18 08 18.6 q K14
2017-07-10 21:18:11 C 17 47 34.78 +18 07 06.0 q K14
2017-07-10 21:28:21 C 17 47 39.31 +18 05 34.5 q K14
2017-07-10 21:35:09 C 17 47 42.34 +18 04 33.2 q K14
2017-07-10 21:42:28 C 17 47 45.65 +18 03 27.0 q K14
2017-07-10 21:48:40 C 17 47 48.38 +18 02 31.5 q K14
2017-07-10 21:54:29 C 17 47 50.98 +18 01 38.8 q K14
2017-07-10 22:03:45 C 17 47 53.86 +17 59 58.5 u 118
2017-07-10 22:05:52 C 17 47 54.79 +17 59 39.0 u 118
2017-07-10 22:07:59 C 17 47 55.68 +17 59 19.8 u 118
2017-07-10 22:12:13 C 17 47 57.64 +17 58 41.4 u 118
2017-07-10 22:13:16 C 17 47 58.19 +17 58 33.0 u 118
2017-07-10 23:05:10 C 17 48 21.38 +17 50 42.1 u 118
2017-07-10 23:07:17 C 17 48 22.37 +17 50 22.2 u 118
2017-07-10 23:10:27 C 17 48 23.88 +17 49 53.9 u 118
2017-07-10 23:11:31 C 17 48 24.23 +17 49 44.6 u 118
Radar Observations (3)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2017-07-07 02:12:00 -24997.6971 0.1 Hz 2380 -1 -1
2017-07-07 02:45:00 72266210.5 4 us 2380 -1 -1
2017-07-08 02:30:00 73502265.06 0.5 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)