2012 XN55

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4539458859 ± 5.83e-07
Semi-major axis (a)0.7485892789 AU ± 1.93e-09
Inclination (i)29.07900312° ± 7.31e-05
Long. of Asc. Node (Ω)256.27878745° ± 2.68e-06
Arg. of Perihelion (ω)15.00126153° ± 1.24e-04
Mean Anomaly (M)144.74134980° ± 2.89e-04
Mean Motion (n)1.5217624786°/day ± 5.88e-09
Perihelion dist (q)0.40877026 AU ± 4.36e-07
Aphelion dist (Q)1.08840830 AU ± 4.36e-07
Orbital Period0.64768733 yr ± 2.50e-09
Physical Parameters
H (abs. magnitude)23.87
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.334″
Uncertainty0
Orbit TypeAten
MOID0.064694 AU
Observations Used67
Oppositions6
Arc Total2012-2023
First Observation Used2012-12-08
Last Observation Used2023-12-09
Observations (68)
Date Type RA Dec Mag Band Observatory
2012-12-14 04:42:30 C 03 49 26.63 -01 43 32.7 q H21
2012-12-14 04:44:08 C 03 49 24.56 -01 42 09.1 u 807
2012-12-14 04:47:24 C 03 49 24.79 -01 44 05.2 q H21
2012-12-14 04:48:19 C 03 49 22.99 -01 42 36.5 u 807
2012-12-14 04:52:26 C 03 49 22.89 -01 44 38.0 q H21
2012-12-14 04:52:29 C 03 49 21.43 -01 43 03.8 u 807
2012-12-14 04:56:49 C 03 49 19.79 -01 43 32.3 u 807
2012-12-14 04:57:27 C 03 49 21.02 -01 45 11.1 q H21
2012-12-14 05:00:48 C 03 49 18.30 -01 43 58.5 u 807
2023-12-07 09:37:47 C 02 34 21.036 +42 35 21.19 V I52
2023-12-07 09:40:36 C 02 34 20.352 +42 34 28.42 V I52
2023-12-07 09:44:50 C 02 34 19.348 +42 33 08.71 V I52
2023-12-07 09:45:05 C 02 34 19.315 +42 33 03.89 V I52
2023-12-08 04:20:15 C 02 30 50.39 +37 00 24.3 V 703
2023-12-08 04:24:37 C 02 30 49.56 +36 59 11.0 V 703
2023-12-09 18:45:48 C 02 25 34.752 +26 51 26.93 V J95
2023-12-09 18:55:52 C 02 25 33.480 +26 49 03.79 V J95
2023-12-09 19:09:24 C 02 25 31.759 +26 45 50.54 V J95