2021 XA11

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5635126567
Semi-major axis (a)2.0673826399 AU
Inclination (i)8.83527519°
Long. of Asc. Node (Ω)259.43379335°
Arg. of Perihelion (ω)219.76249853°
Mean Anomaly (M)107.78458915°
Mean Motion (n)0.3315515000°/day
Perihelion dist (q)0.90238320 AU
Aphelion dist (Q)3.23252040 AU
Orbital Period2.97271370 yr
Physical Parameters
H (abs. magnitude)28.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual1.120″
Uncertainty
Orbit TypeApollo
MOID0.000525 AU
Observations Used14
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-12-11
Observations (14)
Date Type RA Dec Mag Band Observatory
2021-12-11 11:33:40 C 01 58 44.34 +31 29 37.6 X 381
2021-12-11 11:33:48 C 01 58 43.69 +31 29 19.3 X 381
2021-12-11 12:47:31 C 01 52 27.81 +28 21 54.0 X 381
2021-12-11 12:47:36 C 01 52 27.24 +28 21 35.2 X 381
2021-12-11 12:49:35 C 01 52 15.77 +28 15 32.2 X 381
2021-12-11 12:49:43 C 01 52 14.96 +28 15 06.4 X 381
2021-12-11 13:09:30 C 01 50 15.58 +27 11 13.9 X 381
2021-12-11 13:09:37 C 01 50 14.71 +27 10 44.9 X 381
2021-12-11 13:11:12 C 01 50 04.77 +27 05 20.9 X 381
2021-12-11 13:11:21 C 01 50 03.85 +27 04 51.7 X 381
2021-12-11 13:58:25 C 01 44 39.77 +24 00 07.3 X 381
2021-12-11 13:58:34 C 01 44 38.72 +23 59 27.8 X 381
2021-12-11 14:00:30 C 01 44 24.08 +23 50 45.5 X 381
2021-12-11 14:00:37 C 01 44 23.01 +23 50 06.1 X 381