2017 XT61

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5117698000
Semi-major axis (a)1.7437886000 AU
Inclination (i)3.31280000°
Long. of Asc. Node (Ω)282.33982000°
Arg. of Perihelion (ω)234.86380000°
Mean Anomaly (M)134.31916000°
Mean Motion (n)0.4280192500°/day
Perihelion dist (q)0.85137030 AU
Aphelion dist (Q)2.63620690 AU
Orbital Period2.30271800 yr
Physical Parameters
H (abs. magnitude)23.20
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.250″
Uncertainty6
Orbit TypeApollo
MOID0.001849 AU
Observations Used37
Radar Obs Used1
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-01-06
Observations (37)
Date Type RA Dec Mag Band Observatory
2017-12-15 04:06:18 C 04 41 58.25 +30 44 14.7 U G96
2017-12-15 04:13:51 C 04 41 57.39 +30 44 14.0 U G96
2017-12-15 04:28:56 C 04 41 55.74 +30 44 11.0 U G96
2017-12-15 05:06:44 C 04 41 51.25 +30 44 02.7 U H01
2017-12-15 05:22:33 C 04 41 49.46 +30 43 59.3 U H01
2017-12-15 05:28:48 C 04 41 48.76 +30 43 58.1 U H01
2017-12-15 05:38:54 C 04 41 47.60 +30 43 55.9 U H01
2017-12-15 09:26:43 C 04 41 21.98 +30 42 56.3 U I52
2017-12-15 09:27:49 C 04 41 21.88 +30 42 56.3 U I52
2017-12-15 09:31:04 C 04 41 21.54 +30 42 55.4 U I52
2017-12-15 23:37:28 C 04 39 58.64 +30 39 31.7 U J04
2017-12-15 23:39:04 C 04 39 58.48 +30 39 31.5 U J04
2017-12-15 23:40:39 C 04 39 58.29 +30 39 31.0 U J04
2017-12-16 03:35:28 C 04 39 35.87 +30 38 17.3 U I52
2017-12-16 03:37:13 C 04 39 35.65 +30 38 17.1 U I52
2017-12-16 03:39:42 C 04 39 35.34 +30 38 16.7 U I52
2017-12-17 01:54:40 C 04 37 06.21 +30 31 25.9 U J95
2017-12-17 02:00:04 C 04 37 05.60 +30 31 24.6 U J95
2017-12-19 10:21:07 C 04 30 10.23 +30 10 14.1 o 691
2017-12-19 10:40:36 C 04 30 07.48 +30 10 03.3 o 691
2017-12-19 10:59:16 C 04 30 04.86 +30 09 52.5 o 691
2017-12-25 06:45:16 C 04 06 01.07 +28 30 23.6 U 703
2017-12-25 06:52:50 C 04 05 59.20 +28 30 15.0 U 703
2017-12-25 07:00:23 C 04 05 57.36 +28 30 06.4 U 703
2017-12-25 07:07:56 C 04 05 55.49 +28 29 57.3 U 703
2017-12-25 21:04:19 C 04 02 45.88 +28 13 51.7 o B67
2017-12-25 21:23:28 C 04 02 40.95 +28 13 29.2 o B67
2017-12-25 21:41:15 C 04 02 36.34 +28 13 08.0 o B67
2018-01-05 02:07:07 C 01 56 35.89 +12 15 58.1 o 926
2018-01-05 02:08:36 C 01 56 34.22 +12 15 42.7 o 926
2018-01-05 02:10:05 C 01 56 32.55 +12 15 27.4 o 926
2018-01-05 04:37:07 C 01 53 46.86 +11 49 37.2 o 691
2018-01-05 04:38:31 C 01 53 45.27 +11 49 22.4 o 691
2018-01-05 04:39:56 C 01 53 43.68 +11 49 07.2 o 691
2018-01-06 04:06:35 C 01 26 11.12 +07 09 53.4 U 703
2018-01-06 04:21:57 C 01 25 50.76 +07 06 28.8 U 703
2018-01-06 04:29:37 C 01 25 40.58 +07 04 45.7 U 703
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2018-01-03 22:50:00 124811.136 1 Hz 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)