2013 XZ21

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3740093750 ± 3.89e-07
Semi-major axis (a)1.2411070733 AU ± 5.60e-09
Inclination (i)32.02689472° ± 1.98e-05
Long. of Asc. Node (Ω)93.09017142° ± 4.57e-06
Arg. of Perihelion (ω)110.79434539° ± 3.32e-05
Mean Anomaly (M)157.76326527° ± 2.83e-05
Mean Motion (n)0.7128504039°/day ± 4.82e-09
Perihelion dist (q)0.77692139 AU ± 4.83e-07
Aphelion dist (Q)1.70529275 AU ± 4.83e-07
Orbital Period1.38265515 yr ± 9.36e-09
Physical Parameters
H (abs. magnitude)20.53
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.395″
Uncertainty0
Orbit TypeApollo
MOID0.065584 AU
Observations Used154
Oppositions3
Arc Total2013-2025
First Observation Used2013-12-12
Last Observation Used2025-01-04
Observations (162)
Date Type RA Dec Mag Band Observatory
2024-12-24 16:04:24 C 04 14 59.05 +03 04 58.9 V D29
2024-12-25 07:10:00 C 04 12 11.945 +03 38 36.35 V G96
2024-12-25 07:17:28 C 04 12 10.526 +03 38 53.12 V G96
2024-12-25 07:24:55 C 04 12 09.086 +03 39 09.97 V G96
2024-12-25 07:32:22 C 04 12 07.700 +03 39 26.64 V G96
2024-12-26 13:47:40 C 04 06 33.18 +04 48 00.0 V D29
2024-12-26 14:07:59 C 04 06 29.33 +04 48 46.7 V D29
2024-12-26 14:28:18 C 04 06 25.37 +04 49 33.6 V D29
2025-01-04 04:33:29 C 03 29 30.210 +12 58 55.20 V G96
2025-01-04 04:40:55 C 03 29 28.936 +12 59 11.76 V G96
2025-01-04 04:48:21 C 03 29 27.629 +12 59 30.19 V G96
2025-01-04 04:55:47 C 03 29 26.315 +12 59 47.72 V G96