2017 XW61

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5924859000
Semi-major axis (a)2.1662103000 AU
Inclination (i)3.22921000°
Long. of Asc. Node (Ω)257.92460000°
Arg. of Perihelion (ω)231.80992000°
Mean Anomaly (M)165.70662000°
Mean Motion (n)0.3091385400°/day
Perihelion dist (q)0.88276120 AU
Aphelion dist (Q)3.44965940 AU
Orbital Period3.18823940 yr
Physical Parameters
H (abs. magnitude)25.50
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.600″
Uncertainty2
Orbit TypeApollo
MOID0.007572 AU
Observations Used75
Oppositions1
Arc Total
First Observation Used
Last Observation Used2017-12-16
Observations (75)
Date Type RA Dec Mag Band Observatory
2017-12-16 18:49:27 C 04 23 44.27 -09 15 38.6 q 595
2017-12-16 19:06:29 C 04 24 00.40 -09 29 28.4 q 595
2017-12-16 20:07:03 C 04 24 58.31 -10 19 39.7 q 595
2017-12-16 20:15:28 C 04 25 06.53 -10 26 47.2 q 595
2017-12-16 20:24:11 C 04 25 10.94 -10 34 27.5 o K88
2017-12-16 20:27:19 C 04 25 14.04 -10 37 08.1 o K88
2017-12-16 20:30:27 C 04 25 17.04 -10 39 48.4 o K88
2017-12-16 21:01:09 C 04 25 53.32 -11 05 41.2 q 160
2017-12-16 21:02:46 C 04 25 54.78 -11 07 05.4 q 160
2017-12-16 21:03:37 C 04 25 55.68 -11 07 50.0 q 160
2017-12-16 21:04:26 C 04 25 56.47 -11 08 31.8 q 160
2017-12-16 21:06:05 C 04 25 58.06 -11 09 58.6 q 160
2017-12-16 22:18:36 C 04 27 12.86 -12 14 41.9 U 204
2017-12-16 22:18:38 C 04 27 12.86 -12 14 41.9 U 204
2017-12-16 22:21:41 C 04 27 16.10 -12 17 29.6 U 204
2017-12-16 22:21:43 C 04 27 16.10 -12 17 29.6 U 204
2017-12-16 22:24:37 C 04 27 19.15 -12 20 10.0 U 204
2017-12-16 22:24:39 C 04 27 19.15 -12 20 10.0 U 204
2017-12-16 22:27:40 C 04 27 22.37 -12 22 56.2 U 204
2017-12-16 22:27:42 C 04 27 22.37 -12 22 56.2 U 204
2017-12-16 22:30:43 C 04 27 25.56 -12 25 42.5 U 204
2017-12-16 22:30:44 C 04 27 25.56 -12 25 42.5 U 204
2017-12-16 23:53:28 C 04 29 02.93 -13 43 36.6 U J95
2017-12-16 23:55:14 C 04 29 04.94 -13 45 17.7 U J95
2017-12-16 23:57:06 C 04 29 07.06 -13 47 05.2 U J95