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
2017-07-10 23:13:38 C 17 48 25.22 +17 49 25.4 u 118
2017-07-10 23:14:41 C 17 48 25.67 +17 49 15.6 u 118
2017-07-10 23:38:22 C 17 48 36.35 +17 45 41.5 u 118
2017-07-10 23:39:25 C 17 48 36.85 +17 45 32.2 u 118
2017-07-10 23:40:29 C 17 48 37.23 +17 45 23.6 u 118
2017-07-10 23:41:32 C 17 48 37.68 +17 45 12.2 u 118
2017-07-10 23:42:35 C 17 48 38.23 +17 45 04.0 u 118
2017-07-10 23:43:39 C 17 48 38.72 +17 44 53.9 u 118
2017-07-10 23:44:42 C 17 48 39.08 +17 44 42.8 u 118
2017-07-10 23:45:46 C 17 48 39.63 +17 44 35.5 u 118
2017-07-11 20:30:34 C 17 57 59.03 +14 43 29.7 q K14
2017-07-11 20:36:25 C 17 58 01.36 +14 42 40.0 q K14
2017-07-11 20:42:25 C 17 58 03.80 +14 41 49.3 q K14
2017-07-11 20:48:42 C 17 58 06.30 +14 40 56.4 q K14
2017-07-11 20:54:43 C 17 58 08.67 +14 40 06.0 q K14
2017-07-11 21:15:08 C 17 58 16.03 +14 37 05.3 c A53
2017-07-11 21:17:02 C 17 58 17.10 +14 36 50.2 q C77
2017-07-11 21:18:58 C 17 58 17.87 +14 36 33.9 q C77
2017-07-11 21:19:20 C 17 58 17.71 +14 36 29.8 c A53
2017-07-11 21:21:33 C 17 58 18.90 +14 36 12.1 q C77
2017-07-11 21:23:41 C 17 58 19.45 +14 35 53.0 c A53
2017-07-11 21:24:18 C 17 58 19.99 +14 35 48.9 q C77
2017-07-11 21:28:02 C 17 58 21.17 +14 35 16.0 c A53
2017-07-11 21:32:23 C 17 58 22.90 +14 34 39.7 c A53
2017-07-12 02:40:12 C 18 00 33.03 +13 51 45.2 u H21
2017-07-12 02:42:09 C 18 00 33.78 +13 51 29.0 u H21
2017-07-12 02:44:07 C 18 00 34.56 +13 51 12.7 u H21
2017-07-12 02:46:05 C 18 00 35.32 +13 50 56.3 u H21
2017-07-12 02:48:02 C 18 00 36.07 +13 50 40.2 u H21
2017-07-12 02:50:00 C 18 00 36.85 +13 50 24.0 u H21
2017-07-12 02:51:58 C 18 00 37.60 +13 50 07.6 u H21
2017-07-12 02:53:55 C 18 00 38.38 +13 49 51.6 u H21
2017-07-12 02:56:33 C 18 00 39.39 +13 49 29.7 u H21
2017-07-12 04:38:42 C 18 01 18.79 +13 35 24.6 u H21
2017-07-12 04:42:56 C 18 01 20.41 +13 34 49.7 u H21
2017-07-12 04:45:00 C 18 01 21.20 +13 34 32.6 u H21
2017-07-12 04:47:04 C 18 01 21.98 +13 34 15.6 u H21
2017-07-12 04:49:08 C 18 01 22.77 +13 33 58.4 u H21
2017-07-12 04:51:12 C 18 01 23.57 +13 33 41.4 u H21
2017-07-12 04:53:15 C 18 01 24.36 +13 33 24.2 u H21
2017-07-12 04:55:20 C 18 01 25.15 +13 33 07.3 u H21
2017-07-12 04:57:43 C 18 01 26.05 +13 32 47.4 u H21
2017-07-12 05:00:14 C 18 01 27.02 +13 32 26.6 u H21
2017-07-12 05:03:10 C 18 01 28.14 +13 32 02.3 u H21
2017-07-12 05:05:50 C 18 01 29.17 +13 31 40.3 u H21
2017-07-12 06:06:56 C 18 01 55.38 +13 23 25.0 U 654
2017-07-12 06:32:40 C 18 02 05.13 +13 19 53.6 U 654
2017-07-12 07:10:26 C 18 02 19.40 +13 14 43.2 U 654
2017-07-12 10:02:56 C 18 03 24.72 +12 51 08.2 U 654
2017-07-12 20:41:06 C 18 07 39.06 +11 26 11.0 q K14
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)