2021 AP1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3805774659 ± 1.11e-07
Semi-major axis (a)1.5807035324 AU ± 5.72e-09
Inclination (i)11.73460690° ± 1.38e-05
Long. of Asc. Node (Ω)111.57848797° ± 1.04e-05
Arg. of Perihelion (ω)311.03972210° ± 5.71e-05
Mean Anomaly (M)178.42319297° ± 2.27e-05
Mean Motion (n)0.4959485678°/day ± 2.69e-09
Perihelion dist (q)0.97912339 AU ± 1.75e-07
Aphelion dist (Q)2.18228368 AU ± 1.75e-07
Orbital Period1.98735584 yr ± 1.08e-08
Physical Parameters
H (abs. magnitude)23.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.346″
Uncertainty0
Orbit TypeApollo
MOID0.067711 AU
Observations Used74
Oppositions2
Arc Total2021-2025
First Observation Used2021-01-03
Last Observation Used2025-01-18
Observations (75)
Date Type RA Dec Mag Band Observatory
2022-12-30 02:56:36 C 04 50 52.73 -26 22 59.9 u 807
2023-01-11 20:50:47 C 06 19 45.21 +18 38 35.4 X C95
2023-01-11 21:27:57 C 06 19 52.75 +18 42 25.2 X C95
2024-12-27 13:04:44 C 09 03 52.581 -17 54 38.01 X F52
2024-12-27 13:21:23 C 09 03 53.682 -17 52 28.71 X F52
2024-12-27 13:37:58 C 09 03 54.787 -17 50 19.67 X F52
2024-12-27 13:54:34 C 09 03 55.885 -17 48 10.32 X F52
2024-12-28 08:50:34 C 09 05 44.113 -15 21 42.95 V G96
2024-12-28 08:57:59 C 09 05 44.639 -15 20 45.78 V G96
2024-12-28 09:05:22 C 09 05 45.146 -15 19 48.32 V G96
2024-12-28 09:12:46 C 09 05 45.539 -15 18 52.52 V G96
2025-01-06 09:24:06 C 09 19 04.069 +09 39 11.81 V G96
2025-01-06 09:31:45 C 09 19 04.192 +09 39 56.30 V G96
2025-01-06 09:37:50 C 09 19 04.292 +09 40 31.51 V G96
2025-01-06 09:43:54 C 09 19 04.379 +09 41 06.40 V G96
2025-01-07 19:46:34 C 09 20 12.49 +12 50 57.5 V D29
2025-01-07 20:06:56 C 09 20 12.67 +12 52 47.2 V D29
2025-01-07 20:27:18 C 09 20 13.02 +12 54 35.7 V D29
2025-01-08 19:10:00 C 09 20 53.79 +14 53 16.2 V D29
2025-01-08 19:30:22 C 09 20 53.94 +14 55 00.7 V D29
2025-01-08 19:50:44 C 09 20 54.12 +14 56 43.6 V D29
2025-01-18 13:44:43 C 09 23 12.018 +29 53 14.18 X F52
2025-01-18 14:00:28 C 09 23 11.700 +29 53 56.67 X F52
2025-01-18 14:16:18 C 09 23 11.389 +29 54 39.43 X F52
2025-01-18 14:32:07 C 09 23 11.075 +29 55 22.02 X F52