1221 Amor (1932 EA1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4346323446 ± 8.90e-03
Semi-major axis (a)1.9198312726 AU ± 2.87e-03
Inclination (i)11.86883065° ± 1.06e+00
Long. of Asc. Node (Ω)171.23715667° ± 4.55e+00
Arg. of Perihelion (ω)26.75827105° ± 4.78e+00
Mean Anomaly (M)59.87045381° ± 2.84e+00
Mean Motion (n)0.3705251430°/day ± 8.32e-04
Perihelion dist (q)1.08541051 AU ± 1.72e-02
Aphelion dist (Q)2.75425204 AU ± 1.76e-02
Orbital Period2.66007935 yr ± 5.97e-03
NGA Modelr2
A2-1.98953082e-07 AU/d²
Physical Parameters
H (abs. magnitude)17.37
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.415″
Uncertainty0
Orbit TypeAmor
MOID0.108974 AU
Observations Used691
Oppositions58
Arc Total1932-2025
First Observation Used1932-03-12
Last Observation Used2025-02-19
Observations (738)
Date Type RA Dec Mag Band Observatory
2024-12-27 10:41:44 C 04 59 53.347 -00 53 58.49 X F52
2024-12-27 10:59:14 C 04 59 52.253 -00 53 58.13 X F52
2024-12-28 09:21:17 C 04 58 31.800 -00 53 21.85 X F52
2024-12-28 09:37:57 C 04 58 30.764 -00 53 21.30 X F52
2024-12-28 09:54:33 C 04 58 29.733 -00 53 20.76 X F52
2024-12-28 10:11:04 C 04 58 28.703 -00 53 20.16 X F52
2024-12-30 09:04:25 C 04 55 43.114 -00 50 57.66 V T08
2024-12-30 09:09:02 C 04 55 42.809 -00 50 56.69 V T08
2024-12-30 09:17:40 C 04 55 42.281 -00 50 55.61 V T08
2024-12-30 10:05:12 C 04 55 39.403 -00 50 53.09 V T08
2025-01-01 12:17:58 C 04 52 47.518 -00 46 39.61 V T05
2025-01-01 12:23:17 C 04 52 47.206 -00 46 39.97 V T05
2025-01-01 12:25:15 C 04 52 47.093 -00 46 39.00 V T05
2025-01-01 12:39:13 C 04 52 46.298 -00 46 38.82 V T05
2025-01-01 13:00:29 C 04 52 45.118 -00 46 34.43 V T05
2025-01-03 07:43:46 C 04 50 25.333 -00 41 40.75 X F52
2025-01-03 08:02:32 C 04 50 24.279 -00 41 38.41 X F52
2025-01-03 08:21:10 C 04 50 23.237 -00 41 36.01 X F52
2025-01-03 08:39:53 C 04 50 22.180 -00 41 33.51 X F52
2025-01-17 06:11:41 C 04 36 00.816 +00 34 39.74 X F51
2025-01-17 06:30:11 C 04 36 00.201 +00 34 45.63 X F51
2025-01-17 06:48:39 C 04 35 59.582 +00 34 51.46 X F51
2025-01-21 05:50:20 C 04 33 24.672 +01 07 10.52 X F51
2025-01-21 06:05:54 C 04 33 24.274 +01 07 16.16 X F51
2025-01-21 06:21:33 C 04 33 23.877 +01 07 21.82 X F51
2025-01-21 06:37:09 C 04 33 23.475 +01 07 27.42 X F51
2025-02-04 03:09:56 C 04 30 17.352 +03 27 24.55 V G96
2025-02-04 03:18:03 C 04 30 17.377 +03 27 28.15 V G96
2025-02-04 03:26:10 C 04 30 17.413 +03 27 32.65 V G96
2025-02-04 03:34:17 C 04 30 17.406 +03 27 36.07 V G96
2025-02-10 07:07:56 C 04 31 52.585 +04 39 14.31 X F51
2025-02-10 07:24:57 C 04 31 52.846 +04 39 22.82 X F51
2025-02-10 07:41:57 C 04 31 53.089 +04 39 31.15 X F51
2025-02-10 07:58:59 C 04 31 53.336 +04 39 40.14 X F51
2025-02-19 02:49:16 C 04 37 09.113 +06 27 53.64 V G96
2025-02-19 02:57:28 C 04 37 09.361 +06 27 58.10 V G96
2025-02-19 03:05:39 C 04 37 09.613 +06 28 02.28 V G96
2025-02-19 03:13:53 C 04 37 09.865 +06 28 06.74 V G96