2021 AK1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5016879570 ± 2.71e-05
Semi-major axis (a)2.0156102521 AU ± 1.11e-04
Inclination (i)2.97656405° ± 1.46e-04
Long. of Asc. Node (Ω)340.69655397° ± 1.20e-04
Arg. of Perihelion (ω)110.32131976° ± 1.42e-04
Mean Anomaly (M)257.72667228° ± 5.09e-02
Mean Motion (n)0.3444311630°/day ± 2.86e-05
Perihelion dist (q)1.00440286 AU ± 7.78e-05
Aphelion dist (Q)3.02681764 AU ± 1.76e-04
Orbital Period2.86160600 yr ± 2.37e-04
Physical Parameters
H (abs. magnitude)23.91
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.291″
Uncertainty2
Orbit TypeApollo
MOID0.051405 AU
Observations Used72
Oppositions1
Arc Total2021-2021
First Observation Used2021-01-04
Last Observation Used2021-02-20
Observations (72)
Date Type RA Dec Mag Band Observatory
2021-01-17 10:58:13 C 11 04 42.65 +32 54 01.3 V I52
2021-01-17 10:58:49 C 11 04 42.65 +32 53 58.7 V I52
2021-01-17 11:00:57 C 11 04 42.51 +32 53 50.5 V I52
2021-01-17 11:47:22 C 11 04 39.92 +32 50 52.6 V G96
2021-01-17 11:54:40 C 11 04 39.51 +32 50 24.4 V G96
2021-01-17 12:01:57 C 11 04 39.13 +32 49 56.2 V G96
2021-01-17 12:09:15 C 11 04 38.73 +32 49 28.2 V G96
2021-01-23 07:15:47 C 11 00 26.27 +25 33 11.7 u H21
2021-01-23 07:24:02 C 11 00 25.81 +25 32 50.8 u H21
2021-01-23 07:28:38 C 11 00 25.57 +25 32 38.9 u H21
2021-01-24 14:44:25 C 10 59 15.423 +24 15 57.48 U F51
2021-01-24 15:03:16 C 10 59 14.334 +24 15 11.76 U F51
2021-01-24 15:22:08 C 10 59 13.262 +24 14 25.76 U F51
2021-02-07 08:10:02 C 10 46 03.41 +15 26 41.7 V I52
2021-02-07 08:12:15 C 10 46 03.29 +15 26 39.4 V I52
2021-02-07 08:14:28 C 10 46 03.18 +15 26 37.5 V I52
2021-02-08 12:39:16 C 10 44 50.474 +14 57 53.97 U F51
2021-02-08 12:56:46 C 10 44 49.493 +14 57 36.75 U F51
2021-02-08 13:14:24 C 10 44 48.511 +14 57 18.86 U F51
2021-02-20 07:17:56 C 10 34 07.15 +11 30 22.2 V I52
2021-02-20 07:22:46 C 10 34 06.97 +11 30 19.4 V I52
2021-02-20 07:27:37 C 10 34 06.77 +11 30 17.4 V I52