2017 FR91

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3233852000
Semi-major axis (a)0.9071474000 AU
Inclination (i)0.22600000°
Long. of Asc. Node (Ω)199.52952000°
Arg. of Perihelion (ω)114.64034000°
Mean Anomaly (M)271.18033000°
Mean Motion (n)1.1407416600°/day
Perihelion dist (q)0.61378940 AU
Aphelion dist (Q)1.20050540 AU
Orbital Period0.86400610 yr
Physical Parameters
H (abs. magnitude)26.90
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date2026-04-13
RMS Residual0.610″
Uncertainty6
Orbit TypeAten
MOID0.000722 AU
Observations Used74
Radar Obs Used5
Oppositions1
Arc Total
First Observation Used
Last Observation Used2017-03-30
Observations (78)
Date Type RA Dec Mag Band Observatory
2017-03-27 20:17:32 C 11 10 08.05 +01 26 41.8 q 160
2017-03-27 20:21:27 C 11 09 58.89 +01 27 28.6 q 160
2017-03-27 20:22:45 C 11 09 55.86 +01 27 43.9 q 160
2017-03-27 20:24:03 C 11 09 52.78 +01 27 58.8 q 160
2017-03-28 00:46:38 C 10 59 00.61 +02 22 22.8 U 204
2017-03-28 00:51:29 C 10 58 47.94 +02 23 26.5 U 204
2017-03-28 00:56:25 C 10 58 35.14 +02 24 31.2 U 204
2017-03-28 03:41:05 C 10 52 11.03 +03 04 19.2 u 926
2017-03-28 03:43:52 C 10 52 03.18 +03 04 59.1 u 926
2017-03-28 09:19:26 C 10 35 47.91 +04 44 01.5 t 474
2017-03-28 09:20:00 C 10 35 46.07 +04 44 10.5 t 474
2017-03-28 09:20:34 C 10 35 44.19 +04 44 20.1 t 474
2017-03-28 09:21:14 C 10 35 42.07 +04 44 30.5 t 474
2017-03-29 03:27:35 C 09 25 04.43 +10 14 13.7 u 926
2017-03-29 03:29:59 C 09 24 52.33 +10 15 05.1 u 926
2017-03-29 04:34:51 C 09 19 24.53 +10 38 13.1 u 926
2017-03-29 04:37:17 C 09 19 12.13 +10 39 04.5 u 926
2017-03-29 04:39:42 C 09 18 59.73 +10 39 56.1 u 926
2017-03-29 04:42:07 C 09 18 47.34 +10 40 48.0 u 926
2017-03-30 03:08:21 C 07 13 26.53 +17 40 34.4 o 926
2017-03-30 03:09:47 C 07 13 17.83 +17 40 51.8 o 926
2017-03-30 03:11:13 C 07 13 09.23 +17 41 09.7 o 926
2017-03-30 03:12:38 C 07 13 00.60 +17 41 27.0 o 926
2017-03-30 03:14:05 C 07 12 51.89 +17 41 44.8 o 926
2017-03-30 03:15:30 C 07 12 43.28 +17 42 02.4 o 926
2017-03-30 03:18:48 C 07 12 23.44 +17 42 42.4 o 926
2017-03-30 03:20:13 C 07 12 14.89 +17 43 00.2 o 926
2017-03-30 03:21:40 C 07 12 06.18 +17 43 16.7 o 926
Radar Observations (5)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2017-03-29 22:34:00 -6899.9367 0.2 Hz 2380 -1 -1
2017-03-29 22:43:00 9048634.98 4 us 2380 -1 -1
2017-03-29 23:04:00 9053287.14 0.5 us 2380 -1 -1
2017-03-30 21:44:00 -80969.0086 0.25 Hz 2380 -1 -1
2017-03-30 22:16:00 10787399.96 0.5 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)