IAA RAS IAA Minor Planet Database

2021 KY2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.0471916999 ± 2.54e-05
Semi-major axis (a)1.0612761568 AU ± 6.82e-05
Inclination (i)9.84331294° ± 7.03e-03
Long. of Asc. Node (Ω)85.24315695° ± 1.60e-03
Arg. of Perihelion (ω)76.22333052° ± 3.98e-02
Mean Anomaly (M)115.23269938° ± 1.84e-01
Mean Motion (n)0.9015081666°/day ± 8.70e-05
Perihelion dist (q)1.01119273 AU ± 7.04e-05
Aphelion dist (Q)1.11135958 AU ± 7.64e-05
Orbital Period1.09330821 yr ± 1.05e-04
Physical Parameters
H (abs. magnitude)25.32
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.435″
Uncertainty3
Orbit TypeApollo
MOID0.052357 AU
Observations Used50
Oppositions1
Arc Total2021-2021
First Observation Used2021-05-31
Last Observation Used2021-06-18
Observations (50)
Date Type RA Dec Mag Band Observatory
2021-05-31 08:34:44 C 15 45 25.62 +30 44 23.7 – V G96
2021-05-31 08:42:12 C 15 45 24.38 +30 43 44.2 – V G96
2021-05-31 08:49:41 C 15 45 23.21 +30 43 03.0 – V G96
2021-05-31 08:57:09 C 15 45 21.97 +30 42 23.4 – V G96
2021-05-31 10:25:25 C 15 45 08.11 +30 34 23.4 – V I52
2021-05-31 10:30:15 C 15 45 07.38 +30 33 56.5 – V I52
2021-05-31 10:35:06 C 15 45 06.67 +30 33 30.7 – V I52
2021-05-31 10:39:57 C 15 45 05.91 +30 33 03.2 – V I52
2021-05-31 22:37:55 C 15 43 37.94 +29 29 11.2 – V L01
2021-05-31 22:45:23 C 15 43 36.76 +29 28 31.0 – V L01
2021-05-31 22:52:34 C 15 43 35.49 +29 27 52.6 – V L01
2021-06-01 05:01:06 C 15 42 51.65 +28 54 54.5 – V I52
2021-06-01 05:05:57 C 15 42 50.84 +28 54 28.0 – V I52
2021-06-02 08:36:08 C 15 39 09.50 +26 20 00.6 – V I52
2021-06-02 08:39:46 C 15 39 08.92 +26 19 39.6 – V I52
2021-06-02 08:44:57 C 15 39 08.09 +26 19 09.1 – V I52
2021-06-02 08:48:36 C 15 39 07.51 +26 18 47.6 – V I52
2021-06-04 06:24:02 C 15 33 27.09 +21 46 22.6 – o 691
2021-06-04 06:36:17 C 15 33 25.15 +21 45 06.5 – o 691
2021-06-04 06:48:37 C 15 33 23.18 +21 43 49.6 – o 691
2021-06-05 04:29:03 C 15 30 46.48 +19 27 16.5 – q H36
2021-06-05 04:49:28 C 15 30 43.35 +19 25 07.1 – q H36
2021-06-05 05:10:14 C 15 30 40.16 +19 22 54.4 – q H36
2021-06-05 05:31:16 C 15 30 36.88 +19 20 39.4 – q H36
2021-06-05 05:51:51 C 15 30 35.86 +19 18 43.5 – o 691
2021-06-05 06:01:09 C 15 30 34.45 +19 17 44.3 – o 691
2021-06-05 06:10:27 C 15 30 32.97 +19 16 44.5 – o 691
2021-06-05 11:11:38 C 15 29 52.026 +18 44 53.75 – U F51
2021-06-05 11:29:21 C 15 29 49.336 +18 42 58.58 – U F51
2021-06-05 11:47:02 C 15 29 46.672 +18 41 02.56 – U F51
2021-06-07 06:37:43 C 15 24 49.59 +13 58 47.6 – o 691
2021-06-07 06:49:43 C 15 24 47.77 +13 57 26.1 – o 691
2021-06-08 10:55:36 C 15 21 35.970 +10 47 23.61 – U F51
2021-06-08 11:12:21 C 15 21 33.566 +10 45 26.00 – U F51
2021-06-08 11:29:12 C 15 21 31.192 +10 43 28.26 – U F51
2021-06-09 04:20:31 C 15 19 44.44 +08 49 50.4 – u 807
2021-06-09 04:27:35 C 15 19 43.46 +08 49 01.7 – u 807
2021-06-09 04:34:33 C 15 19 42.43 +08 48 13.5 – u 807
2021-06-09 04:37:49 C 15 19 45.47 +08 45 15.0 – V H36
2021-06-09 05:13:56 C 15 19 40.45 +08 41 06.9 – V H36
2021-06-09 05:39:44 C 15 19 36.89 +08 38 07.4 – V H36
2021-06-09 05:57:16 C 15 19 34.43 +08 36 07.4 – V H36
2021-06-10 05:21:46 C 15 17 07.96 +05 54 25.9 – V H36
2021-06-10 06:03:04 C 15 17 02.51 +05 49 40.6 – V H36
2021-06-10 09:05:26 C 15 16 45.343 +05 29 19.52 – U F51
2021-06-10 09:22:59 C 15 16 42.907 +05 27 18.37 – U F51
2021-06-10 09:57:58 C 15 16 38.057 +05 23 15.45 – U F51
2021-06-18 06:47:47 C 15 00 43.94 -15 16 03.4 – V I52
2021-06-18 06:54:25 C 15 00 43.30 -15 16 42.3 – V I52
2021-06-18 07:01:03 C 15 00 42.67 -15 17 21.2 – V I52