IAA RAS IAA Minor Planet Database

2021 TK15

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1339003425 ± 5.09e-05
Semi-major axis (a)1.1152233553 AU ± 7.18e-05
Inclination (i)56.51141586° ± 4.10e-03
Long. of Asc. Node (Ω)31.54781645° ± 1.71e-04
Arg. of Perihelion (ω)162.36325626° ± 9.41e-03
Mean Anomaly (M)10.59769320° ± 1.11e-01
Mean Motion (n)0.8368921461°/day ± 8.09e-05
Perihelion dist (q)0.96589457 AU ± 8.42e-05
Aphelion dist (Q)1.26455214 AU ± 9.93e-05
Orbital Period1.17772199 yr ± 1.14e-04
Physical Parameters
H (abs. magnitude)21.87
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.266″
Uncertainty3
Orbit TypeApollo
MOID0.034135 AU
Observations Used49
Oppositions1
Arc Total2021-2021
First Observation Used2021-10-04
Last Observation Used2021-11-09
Observations (49)
Date Type RA Dec Mag Band Observatory
2021-10-04 12:19:58 C 04 38 12.016 -07 40 07.62 – V F51
2021-10-04 13:14:58 C 04 38 04.040 -07 38 22.72 – V F51
2021-10-13 11:10:03 C 03 55 33.750 +01 34 59.78 – U F52
2021-10-13 11:27:30 C 03 55 28.930 +01 35 59.07 – U F52
2021-10-13 11:45:04 C 03 55 24.072 +01 36 58.30 – U F52
2021-10-13 12:02:44 C 03 55 19.163 +01 37 58.47 – U F52
2021-10-14 00:45:48 C 03 51 49.02 +02 21 38.8 – V L01
2021-10-14 00:51:25 C 03 51 47.41 +02 21 59.1 – V L01
2021-10-14 00:54:14 C 03 51 46.61 +02 22 09.2 – V L01
2021-10-14 00:57:48 C 03 51 45.62 +02 22 21.6 – V L01
2021-10-14 03:21:19 C 03 51 04.75 +02 30 45.7 – V I93
2021-10-14 03:31:27 C 03 51 01.81 +02 31 21.8 – V I93
2021-10-14 12:55:49 C 03 48 20.464 +03 05 03.75 – U F51
2021-10-14 13:02:18 C 03 48 18.553 +03 05 26.76 – U F51
2021-10-14 13:08:45 C 03 48 16.629 +03 05 50.14 – U F51
2021-10-14 13:15:09 C 03 48 14.738 +03 06 12.90 – U F51
2021-10-24 05:55:28 C 02 16 44.09 +19 57 40.4 – o 691
2021-10-24 06:10:48 C 02 16 36.39 +19 58 50.8 – o 691
2021-10-24 06:26:07 C 02 16 28.75 +20 00 02.1 – o 691
2021-10-25 08:32:38 C 02 03 25.43 +21 58 07.0 – o 691
2021-10-25 08:58:30 C 02 03 12.14 +22 00 01.2 – o 691
2021-10-25 09:24:14 C 02 02 58.87 +22 01 55.7 – o 691
2021-10-27 04:56:02 C 01 40 32.80 +25 07 44.7 – V G96
2021-10-27 05:03:45 C 01 40 28.68 +25 08 16.2 – V G96
2021-10-27 05:11:27 C 01 40 24.60 +25 08 47.6 – V G96
2021-10-27 05:24:14 C 01 40 17.79 +25 09 40.0 – V G96
2021-10-27 07:27:13 C 01 39 13.972 +25 18 04.12 – U F52
2021-10-27 07:44:31 C 01 39 04.768 +25 19 14.60 – U F52
2021-10-27 08:01:59 C 01 38 55.447 +25 20 25.59 – U F52
2021-10-27 08:19:24 C 01 38 46.174 +25 21 36.36 – U F52
2021-10-28 03:05:06 C 01 28 55.25 +26 35 16.5 – V I52
2021-10-28 03:05:27 C 01 28 55.05 +26 35 17.2 – V I52
2021-10-28 22:46:37 C 01 18 30.35 +27 48 21.9 – V K88
2021-10-28 22:49:28 C 01 18 28.87 +27 48 32.3 – V K88
2021-10-29 02:52:33 C 01 16 22.98 +28 03 04.8 – V I52
2021-10-29 02:52:54 C 01 16 22.79 +28 03 06.0 – V I52
2021-10-29 02:55:29 C 01 16 21.35 +28 03 15.4 – V I52
2021-10-29 02:55:51 C 01 16 21.17 +28 03 16.3 – V I52
2021-11-01 03:36:35 C 00 38 44.67 +31 46 49.3 – V I52
2021-11-01 03:37:11 C 00 38 44.33 +31 46 50.6 – V I52
2021-11-01 03:37:48 C 00 38 44.05 +31 46 51.9 – V I52
2021-11-01 03:38:24 C 00 38 43.75 +31 46 54.0 – V I52
2021-11-05 04:12:24 C 23 53 28.37 +35 01 30.8 – V G96
2021-11-05 04:19:59 C 23 53 25.06 +35 01 42.2 – V G96
2021-11-05 04:27:39 C 23 53 21.70 +35 01 52.9 – V G96
2021-11-05 04:35:16 C 23 53 18.39 +35 02 04.6 – V G96
2021-11-09 04:54:53 C 23 16 13.12 +36 46 19.6 – V V06
2021-11-09 04:58:06 C 23 16 11.98 +36 46 22.0 – V V06
2021-11-09 05:01:19 C 23 16 10.86 +36 46 24.2 – V V06