2021 KY1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2453656323 ± 1.53e-05
Semi-major axis (a)1.1705743453 AU ± 1.49e-05
Inclination (i)6.64451187° ± 4.09e-04
Long. of Asc. Node (Ω)87.97837286° ± 2.18e-04
Arg. of Perihelion (ω)266.14615869° ± 1.48e-04
Mean Anomaly (M)115.42986436° ± 2.25e-02
Mean Motion (n)0.7782404025°/day ± 1.48e-05
Perihelion dist (q)0.88335563 AU ± 2.11e-05
Aphelion dist (Q)1.45779306 AU ± 2.57e-05
Orbital Period1.26648049 yr ± 2.41e-05
Physical Parameters
H (abs. magnitude)23.97
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.330″
Uncertainty2
Orbit TypeApollo
MOID0.027839 AU
Observations Used56
Oppositions1
Arc Total2021-2021
First Observation Used2021-05-14
Last Observation Used2021-07-04
Observations (58)
Date Type RA Dec Mag Band Observatory
2021-05-14 12:39:58 C 16 58 57.833 -05 24 16.27 V F51
2021-05-14 12:57:40 C 16 58 56.991 -05 24 15.11 V F51
2021-05-14 13:15:21 C 16 58 56.181 -05 24 13.49 V F51
2021-05-20 11:59:33 C 16 51 57.020 -05 23 46.09 U F51
2021-05-20 12:15:42 C 16 51 55.860 -05 23 47.04 U F51
2021-05-20 12:48:00 C 16 51 53.542 -05 23 48.61 U F51
2021-05-21 06:28:38 C 16 50 48.27 -05 25 11.1 u H21
2021-05-21 06:37:52 C 16 50 47.60 -05 25 11.7 u H21
2021-05-22 07:20:27 C 16 49 09.49 -05 27 21.4 V H01
2021-05-22 07:27:38 C 16 49 08.92 -05 27 22.1 V H01
2021-05-22 07:40:58 C 16 49 07.87 -05 27 23.4 V H01
2021-05-22 07:46:33 C 16 49 05.94 -05 26 38.9 V 807
2021-05-22 08:02:30 C 16 49 04.70 -05 26 40.3 V 807
2021-05-22 08:46:35 C 16 49 02.84 -05 27 29.6 V V06
2021-05-22 08:53:27 C 16 49 02.30 -05 27 29.9 V V06
2021-05-22 09:00:19 C 16 49 01.73 -05 27 30.7 V V06
2021-05-22 09:07:11 C 16 49 01.18 -05 27 31.5 V V06
2021-05-29 10:06:26 C 16 34 31.88 -06 02 38.0 V I52
2021-05-29 10:17:20 C 16 34 30.63 -06 02 41.6 V I52
2021-05-29 10:28:12 C 16 34 29.48 -06 02 44.4 V I52
2021-05-29 10:39:04 C 16 34 28.13 -06 02 48.2 V I52
2021-05-31 08:50:34 C 16 29 29.369 -06 19 26.51 U F51
2021-05-31 09:06:46 C 16 29 27.300 -06 19 33.14 U F51
2021-05-31 09:22:57 C 16 29 25.213 -06 19 39.79 U F51
2021-05-31 09:39:11 C 16 29 23.117 -06 19 46.35 U F51
2021-05-31 10:16:26 C 16 29 16.10 -06 20 08.2 V I52
2021-05-31 10:18:51 C 16 29 15.83 -06 20 10.0 V I52
2021-05-31 10:21:17 C 16 29 15.54 -06 20 11.5 V I52
2021-06-01 10:24:51 C 16 26 25.34 -06 30 24.1 V 291
2021-06-01 10:29:29 C 16 26 24.76 -06 30 26.4 V 291
2021-06-01 10:34:08 C 16 26 24.20 -06 30 27.9 V 291
2021-06-04 07:01:04 C 16 17 34.62 -07 05 29.0 o 691
2021-06-04 07:14:13 C 16 17 32.63 -07 05 36.2 o 691
2021-06-04 07:27:23 C 16 17 30.64 -07 05 44.6 o 691
2021-06-05 06:36:58 C 16 14 14.51 -07 19 42.5 o 691
2021-06-05 06:43:55 C 16 14 13.42 -07 19 46.6 o 691
2021-06-05 06:50:50 C 16 14 12.24 -07 19 51.6 o 691
2021-06-07 07:01:26 C 16 06 54.20 -07 52 38.7 o 691
2021-06-07 07:07:08 C 16 06 53.19 -07 52 42.9 o 691
2021-06-07 07:12:50 C 16 06 52.20 -07 52 47.0 o 691
2021-06-11 06:46:53 C 15 50 25.17 -09 13 55.4 V G96
2021-06-11 06:54:25 C 15 50 23.65 -09 14 02.8 V G96
2021-06-11 07:01:56 C 15 50 22.12 -09 14 09.9 V G96
2021-06-11 07:09:28 C 15 50 20.59 -09 14 17.2 V G96
2021-06-12 07:24:26 C 15 45 43.40 -09 38 31.7 V I52
2021-06-12 07:25:33 C 15 45 43.25 -09 38 32.2 V I52
2021-06-12 07:26:39 C 15 45 42.96 -09 38 33.6 V I52
2021-06-12 07:27:45 C 15 45 42.82 -09 38 34.9 V I52
2021-06-18 07:46:20 C 15 14 20.87 -12 34 57.2 V I52
2021-06-18 07:49:39 C 15 14 19.97 -12 35 00.9 V I52