2017 XL61

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6361682144 ± 2.00e+00
Semi-major axis (a)1.6775888461 AU ± 3.00e+00
Inclination (i)3.69380402° ± 4.00e+00
Long. of Asc. Node (Ω)46.02979471° ± 5.00e+00
Arg. of Perihelion (ω)297.81940888° ± 6.00e+00
Mean Anomaly (M)258.48992899° ± 2.07e+00
Mean Motion (n)0.4537137600°/day ± 1.22e+00
Perihelion dist (q)0.61035780 AU ± 3.53e+00
Aphelion dist (Q)2.74427300 AU ± 5.95e+00
Orbital Period2.17231150 yr ± 5.83e+00
Physical Parameters
H (abs. magnitude)23.00
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.451″
Uncertainty4
Orbit TypeApollo
MOID0.028416 AU
Observations Used49
Oppositions1
Arc Total2017-2017
First Observation Used
Last Observation Used2017-12-20
Observations (49)
Date Type RA Dec Mag Band Observatory
2017-12-14 03:06:34 C 00 16 59.25 +20 29 07.2 U G96
2017-12-14 03:14:44 C 00 17 06.74 +20 29 48.8 U G96
2017-12-14 03:22:53 C 00 17 14.07 +20 30 30.4 U G96
2017-12-14 03:31:02 C 00 17 21.54 +20 31 12.3 U G96
2017-12-14 06:25:50 C 00 20 00.45 +20 45 48.4 U I52
2017-12-14 06:27:32 C 00 20 01.99 +20 45 57.0 U I52
2017-12-14 06:29:17 C 00 20 03.58 +20 46 05.4 U I52
2017-12-14 06:31:00 C 00 20 05.11 +20 46 13.6 U I52
2017-12-14 20:18:35 C 00 32 29.55 +21 51 19.5 S 033
2017-12-14 20:21:13 C 00 32 31.84 +21 51 31.5 S 033
2017-12-14 20:23:52 C 00 32 34.12 +21 51 43.4 S 033
2017-12-14 20:26:30 C 00 32 36.39 +21 51 54.7 S 033
2017-12-14 21:38:14 C 00 33 38.17 +21 57 09.0 S 033
2017-12-14 21:40:53 C 00 33 40.42 +21 57 20.6 S 033
2017-12-14 21:43:31 C 00 33 42.74 +21 57 32.3 S 033
2017-12-14 22:50:13 C 00 34 40.54 +22 02 23.2 U J95
2017-12-14 23:08:08 C 00 34 55.86 +22 03 40.1 U J95
2017-12-15 02:08:42 C 00 37 34.49 +22 17 08.8 o 926
2017-12-15 02:13:38 C 00 37 38.57 +22 17 29.8 o 926
2017-12-15 02:18:34 C 00 37 42.70 +22 17 50.6 o 926
2017-12-15 02:26:08 C 00 37 48.72 +22 18 19.3 U H01
2017-12-15 02:37:35 C 00 37 58.31 +22 19 07.6 U H01
2017-12-15 02:50:27 C 00 38 09.05 +22 20 01.7 U H01
2017-12-15 02:57:01 C 00 38 14.52 +22 20 29.0 U H01
2017-12-15 03:08:01 C 00 38 23.99 +22 21 17.4 U I52
2017-12-15 03:09:44 C 00 38 25.43 +22 21 24.6 U I52
2017-12-15 03:11:26 C 00 38 26.87 +22 21 31.4 U I52
2017-12-15 03:13:09 C 00 38 28.28 +22 21 39.3 U I52
2017-12-15 20:20:19 C 00 52 34.50 +23 27 54.1 U J95
2017-12-15 20:38:43 C 00 52 48.89 +23 29 00.0 U J95
2017-12-15 20:56:40 C 00 53 02.92 +23 30 03.5 U J95
2017-12-16 02:32:21 C 00 57 27.76 +23 49 57.3 o 926
2017-12-16 02:37:17 C 00 57 31.49 +23 50 14.4 o 926
2017-12-16 02:39:48 C 00 57 33.48 +23 50 20.9 U I52
2017-12-16 02:41:53 C 00 57 35.02 +23 50 28.2 U I52
2017-12-16 02:42:13 C 00 57 35.23 +23 50 30.3 o 926
2017-12-16 02:46:01 C 00 57 38.16 +23 50 42.2 U I52
2017-12-16 17:45:51 C 01 08 54.68 +24 37 46.5 U 204
2017-12-16 18:06:28 C 01 09 09.38 +24 38 47.5 U 204
2017-12-16 18:27:06 C 01 09 24.06 +24 39 47.9 U 204
2017-12-17 02:39:38 C 01 15 13.11 +25 02 54.4 u H21
2017-12-17 02:50:11 C 01 15 20.31 +25 03 22.9 u H21
2017-12-17 03:08:02 C 01 15 33.99 +25 04 20.1 U I52
2017-12-17 03:10:26 C 01 15 35.58 +25 04 26.1 U I52
2017-12-17 03:12:48 C 01 15 37.21 +25 04 33.3 U I52
2017-12-20 02:24:13 C 01 58 10.30 +27 21 23.9 U I52
2017-12-20 02:26:00 C 01 58 11.15 +27 21 26.4 U I52
2017-12-20 02:27:48 C 01 58 12.03 +27 21 29.0 U I52
2017-12-20 02:29:36 C 01 58 12.91 +27 21 31.4 U I52