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
2020-09-14 06:57:30 C 20 17 12.150 -10 44 53.15 U F51
2020-09-14 07:14:18 C 20 17 12.197 -10 44 59.51 U F51
2021-10-04 12:29:58 C 03 20 23.291 +05 37 22.11 U F52
2021-10-04 12:45:48 C 03 20 22.904 +05 37 16.90 U F52
2021-10-04 13:01:40 C 03 20 22.498 +05 37 11.10 U F52
2021-10-28 07:38:28 C 02 59 32.12 +02 01 38.5 V G96
2021-10-28 07:47:03 C 02 59 31.69 +02 01 35.1 V G96
2021-10-28 07:54:31 C 02 59 31.33 +02 01 32.4 V G96
2021-10-28 08:01:58 C 02 59 31.02 +02 01 30.1 V G96
2021-10-28 10:43:47 C 02 59 23.461 +02 00 30.20 U F51
2021-10-28 10:59:58 C 02 59 22.673 +02 00 24.06 U F51
2021-10-28 11:16:11 C 02 59 21.892 +02 00 18.10 U F51
2021-10-28 11:32:26 C 02 59 21.125 +02 00 11.89 U F51
2021-11-07 10:23:42 C 02 47 42.882 +00 35 35.65 U F51
2021-11-07 10:40:43 C 02 47 42.010 +00 35 30.06 U F51
2021-11-07 10:57:41 C 02 47 41.132 +00 35 24.50 U F51
2021-11-25 06:26:46 C 02 27 29.258 -01 13 42.87 U F52
2021-11-25 06:44:04 C 02 27 28.502 -01 13 45.76 U F52
2021-11-25 07:01:20 C 02 27 27.747 -01 13 48.73 U F52
2021-12-05 04:28:01 C 02 18 34.12 -01 42 33.7 V G96
2021-12-05 04:38:29 C 02 18 33.76 -01 42 34.2 V G96
2021-12-05 04:48:59 C 02 18 33.39 -01 42 35.2 V G96
2021-12-05 04:59:29 C 02 18 33.03 -01 42 35.8 V G96
2023-07-24 13:11:02 C 00 11 59.460 +04 08 02.87 X F51
2023-07-24 13:34:04 C 00 11 59.364 +04 07 59.95 X F51
2023-07-24 13:51:10 C 00 11 59.348 +04 07 57.74 X F51
2023-07-24 14:08:24 C 00 11 59.285 +04 07 55.75 X F51
2023-07-28 12:55:11 C 00 11 34.888 +03 53 59.54 X F52
2023-07-28 13:12:45 C 00 11 34.735 +03 53 56.66 X F52
2023-07-28 13:30:20 C 00 11 34.608 +03 53 53.93 X F52
2023-07-28 13:47:55 C 00 11 34.459 +03 53 50.93 X F52
2023-08-18 10:52:06 C 00 01 57.391 +01 41 01.77 X F51
2023-08-18 11:08:19 C 00 01 56.860 +01 40 55.94 X F51
2023-08-18 11:40:46 C 00 01 55.805 +01 40 44.17 X F51
2023-08-21 10:17:04 C 23 59 37.055 +01 14 22.69 X F52
2023-08-21 10:32:42 C 23 59 36.496 +01 14 16.68 X F52
2023-08-21 10:48:19 C 23 59 35.944 +01 14 10.50 X F52
2023-08-21 11:04:02 C 23 59 35.382 +01 14 04.58 X F52
2023-09-06 07:59:31 C 23 44 09.316 -01 31 06.42 V G96
2023-09-06 08:07:35 C 23 44 08.959 -01 31 09.91 V G96
2023-09-06 08:15:39 C 23 44 08.596 -01 31 14.05 V G96
2023-09-06 08:23:42 C 23 44 08.214 -01 31 17.58 V G96
2023-09-09 09:34:42 C 23 40 48.126 -02 05 42.06 X F52
2023-09-09 09:51:15 C 23 40 47.323 -02 05 49.57 X F52
2023-09-09 10:07:52 C 23 40 46.548 -02 05 57.73 X F52
2023-09-09 10:24:30 C 23 40 45.753 -02 06 05.72 X F52
2023-09-18 08:42:00 C 23 30 52.038 -03 46 54.78 X F51
2023-09-18 08:57:26 C 23 30 51.303 -03 47 01.96 X F51
2023-09-18 09:12:53 C 23 30 50.581 -03 47 09.06 X F51
2023-09-18 09:28:18 C 23 30 49.857 -03 47 16.12 X F51