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
2017-03-26 07:08:48 C 12 05 24.72 -03 26 35.3 q 703
2017-03-26 07:16:48 C 12 05 16.06 -03 25 53.0 q 703
2017-03-26 07:24:49 C 12 05 07.36 -03 25 12.0 q 703
2017-03-26 07:32:37 C 12 04 58.85 -03 24 31.8 q G96
2017-03-26 07:32:50 C 12 04 58.64 -03 24 30.1 q 703
2017-03-26 07:38:43 C 12 04 52.24 -03 24 00.4 q G96
2017-03-26 07:46:18 C 12 04 43.86 -03 23 20.9 q G96
2017-03-26 07:53:59 C 12 04 35.42 -03 22 40.3 q G96
2017-03-26 08:36:24 C 12 03 48.56 -03 18 56.2 q 703
2017-03-26 08:37:06 C 12 03 47.74 -03 18 52.6 q 703
2017-03-26 08:37:48 C 12 03 46.96 -03 18 48.1 q 703
2017-03-26 10:27:40 C 12 01 44.33 -03 08 49.9 q I52
2017-03-26 10:28:15 C 12 01 43.63 -03 08 46.5 q I52
2017-03-26 10:28:50 C 12 01 42.99 -03 08 43.5 q I52
2017-03-26 19:06:52 C 11 52 24.43 -02 18 15.6 q 246
2017-03-26 19:07:19 C 11 52 23.77 -02 18 12.0 q 246
2017-03-26 19:07:30 C 11 52 23.51 -02 18 10.5 q 246
2017-03-26 19:07:41 C 11 52 23.32 -02 18 09.1 q 246
2017-03-26 19:08:25 C 11 52 22.40 -02 18 04.2 q 246
2017-03-26 19:09:10 C 11 52 21.47 -02 18 00.1 q 246
2017-03-26 20:00:34 C 11 51 18.39 -02 11 53.7 q I93
2017-03-26 20:05:22 C 11 51 11.95 -02 11 20.7 q I93
2017-03-26 20:12:27 C 11 51 02.49 -02 10 34.7 q I93
2017-03-26 20:42:41 C 11 50 17.10 -02 07 19.4 S 595
2017-03-26 20:50:12 C 11 50 06.75 -02 06 28.2 S 595
2017-03-26 20:57:37 C 11 49 56.44 -02 05 37.6 S 595
2017-03-26 21:37:38 C 11 49 06.01 -02 00 46.9 U 958
2017-03-26 21:44:55 C 11 48 55.74 -01 59 56.8 U 958
2017-03-26 21:52:12 C 11 48 45.41 -01 59 05.7 U 958
2017-03-27 01:00:10 C 11 44 10.23 -01 37 06.4 U J95
2017-03-27 01:02:05 C 11 44 07.36 -01 36 51.6 U J95
2017-03-27 01:04:11 C 11 44 04.14 -01 36 35.9 U J95
2017-03-27 04:02:05 C 11 40 10.11 -01 11 27.0 q I52
2017-03-27 04:02:41 C 11 40 09.14 -01 11 22.5 q I52
2017-03-27 04:03:38 C 11 40 07.63 -01 11 14.9 q I52
2017-03-27 04:08:26 C 11 39 59.86 -01 10 36.2 q I52
2017-03-27 06:20:45 C 11 36 18.19 -00 52 19.6 q G96
2017-03-27 06:26:51 C 11 36 07.59 -00 51 27.5 q G96
2017-03-27 06:32:56 C 11 35 56.93 -00 50 35.2 q G96
2017-03-27 08:49:32 C 11 31 54.41 -00 30 34.5 q I52
2017-03-27 08:51:44 C 11 31 50.43 -00 30 14.5 q I52
2017-03-27 08:53:32 C 11 31 47.16 -00 29 57.9 q I52
2017-03-27 09:01:07 C 11 31 33.45 -00 28 49.6 q G96
2017-03-27 09:01:27 C 11 31 32.84 -00 28 46.6 q G96
2017-03-27 09:01:47 C 11 31 32.21 -00 28 43.5 q G96
2017-03-27 09:02:07 C 11 31 31.64 -00 28 40.6 q G96
2017-03-27 09:58:07 C 11 29 49.46 -00 19 58.9 u 926
2017-03-27 10:00:42 C 11 29 44.71 -00 19 34.9 u 926
2017-03-27 10:03:20 C 11 29 39.89 -00 19 10.7 u 926
2017-03-27 20:16:15 C 11 10 11.10 +01 26 26.2 q 160
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)