2021 KE2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4629194383 ± 3.40e-08
Semi-major axis (a)2.1198457509 AU ± 8.71e-09
Inclination (i)40.21182944° ± 1.12e-05
Long. of Asc. Node (Ω)113.15567614° ± 2.65e-06
Arg. of Perihelion (ω)205.65403279° ± 1.13e-05
Mean Anomaly (M)147.94653105° ± 4.09e-06
Mean Motion (n)0.3193418852°/day ± 1.97e-09
Perihelion dist (q)1.13852795 AU ± 7.22e-08
Aphelion dist (Q)3.10116356 AU ± 7.32e-08
Orbital Period3.08642971 yr ± 1.90e-08
Physical Parameters
H (abs. magnitude)19.83
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.195″
Uncertainty0
Orbit TypeAmor
MOID0.153509 AU
Observations Used129
Oppositions5
Arc Total2016-2024
First Observation Used2016-01-09
Last Observation Used2024-07-22
Observations (146)
Date Type RA Dec Mag Band Observatory
2024-07-08 23:13:50 B 18 47 54.838 +09 50 03.98 Z K74
2024-07-09 08:33:03 C 18 47 05.14 +08 52 08.6 V U55
2024-07-09 08:47:49 C 18 47 03.70 +08 50 35.4 V U55
2024-07-09 09:02:34 C 18 47 02.25 +08 49 02.3 V U55
2024-07-10 21:24:34 C 18 43 39.63 +04 44 33.2 X G02
2024-07-10 21:32:57 C 18 43 38.74 +04 43 32.8 X G02
2024-07-10 21:41:21 C 18 43 37.85 +04 42 33.6 X G02
2024-07-12 02:54:07 C 18 40 42.216 +01 05 21.16 V W68
2024-07-12 02:58:44 C 18 40 41.681 +01 04 45.37 V W68
2024-07-12 03:03:16 C 18 40 41.167 +01 04 09.91 V W68
2024-07-12 03:53:23 C 18 40 35.381 +00 57 38.20 V W68
2024-07-12 22:28:15 B 18 38 36.13 -01 32 37.1 X L99
2024-07-12 22:32:55 B 18 38 35.68 -01 33 15.8 X L99
2024-07-12 22:37:34 B 18 38 35.13 -01 33 54.4 X L99
2024-07-13 20:18:09 C 18 36 12.312 -04 37 50.16 X M26
2024-07-13 20:23:51 C 18 36 11.609 -04 38 40.09 X M26
2024-07-13 20:29:34 C 18 36 10.937 -04 39 30.13 X M26
2024-07-13 21:41:08 B 18 36 02.095 -04 50 00.64 V L65
2024-07-13 21:43:36 B 18 36 01.771 -04 50 22.09 V L65
2024-07-13 21:46:04 B 18 36 01.464 -04 50 43.51 V L65
2024-07-13 22:32:29 C 18 35 56.093 -04 57 30.20 V Z80
2024-07-13 22:47:40 C 18 35 54.216 -04 59 43.04 V Z80
2024-07-14 18:37:35 B 18 33 36.852 -07 56 56.54 Z M49
2024-07-14 18:39:17 B 18 33 36.636 -07 57 12.46 Z M49
2024-07-14 18:41:00 B 18 33 36.413 -07 57 28.19 Z M49
2024-07-14 21:26:50 B 18 33 14.676 -08 23 52.30 V L65
2024-07-14 21:32:32 B 18 33 13.946 -08 24 45.50 V L65
2024-07-14 21:38:13 B 18 33 13.210 -08 25 37.63 V L65
2024-07-15 20:46:45 C 18 30 21.21 -12 04 25.0 X G02
2024-07-15 20:52:36 C 18 30 20.40 -12 05 21.7 X G02
2024-07-15 20:54:53 B 18 30 20.402 -12 04 50.52 Z M49
2024-07-15 20:56:30 B 18 30 20.160 -12 05 06.22 Z M49
2024-07-15 20:58:07 B 18 30 19.932 -12 05 21.95 Z M49
2024-07-15 20:58:11 C 18 30 19.64 -12 06 15.8 X G02
2024-07-16 06:13:02 C 18 29 08.410 -13 36 13.86 V U52
2024-07-16 06:15:12 C 18 29 08.033 -13 36 34.16 V U52
2024-07-16 06:17:21 C 18 29 07.752 -13 36 55.22 V U52
2024-07-16 22:11:46 B 18 27 00.722 -16 14 45.24 Z K74
2024-07-16 22:15:37 B 18 27 00.178 -16 15 23.83 Z K74
2024-07-16 22:19:29 B 18 26 59.606 -16 16 02.06 Z K74
2024-07-16 22:23:20 B 18 26 59.052 -16 16 40.91 Z K74
2024-07-16 22:27:11 B 18 26 58.486 -16 17 19.54 Z K74
2024-07-22 21:36:44 C 18 03 54.494 -40 34 49.66 V M22
2024-07-22 21:40:45 C 18 03 53.652 -40 35 28.25 V M22
2024-07-22 21:48:39 C 18 03 52.080 -40 36 43.85 V M22
2024-07-22 22:03:51 C 18 03 48.881 -40 39 09.72 V M22