2021 TC15

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6368529720 ± 5.44e-05
Semi-major axis (a)1.7542779727 AU ± 2.10e-04
Inclination (i)10.21853600° ± 5.95e-04
Long. of Asc. Node (Ω)68.90462154° ± 7.57e-04
Arg. of Perihelion (ω)57.29755866° ± 7.65e-04
Mean Anomaly (M)246.46907753° ± 1.08e-01
Mean Motion (n)0.4241941362°/day ± 7.62e-05
Perihelion dist (q)0.63706083 AU ± 1.22e-04
Aphelion dist (Q)2.87149511 AU ± 3.57e-04
Orbital Period2.32352642 yr ± 4.17e-04
Physical Parameters
H (abs. magnitude)22.36
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.296″
Uncertainty3
Orbit TypeApollo
MOID0.079460 AU
Observations Used29
Oppositions1
Arc Total2021-2021
First Observation Used2021-09-30
Last Observation Used2021-11-04
Observations (30)
Date Type RA Dec Mag Band Observatory
2021-09-30 10:10:32 C 02 52 30.917 -12 00 50.25 V F51
2021-09-30 10:30:04 C 02 52 31.487 -12 01 09.75 V F51
2021-09-30 11:09:02 C 02 52 32.565 -12 01 48.37 V F51
2021-10-14 09:42:37 C 03 02 54.87 -19 58 34.1 V G96
2021-10-14 09:52:02 C 03 02 55.08 -19 58 53.4 V G96
2021-10-14 10:01:20 C 03 02 55.37 -19 59 12.7 V G96
2021-10-14 10:10:34 C 03 02 55.50 -19 59 31.9 V G96
2021-10-14 10:50:07 C 03 02 56.43 -20 00 52.8 V G96
2021-10-14 10:52:31 C 03 02 56.50 -20 00 57.9 V G96
2021-10-14 10:54:56 C 03 02 56.58 -20 01 03.4 V G96
2021-10-14 11:47:51 C 03 02 59.366 -20 02 48.77 U F51
2021-10-14 12:21:23 C 03 03 00.115 -20 03 58.35 U F51
2021-10-14 12:38:08 C 03 03 00.488 -20 04 32.96 U F51
2021-10-15 06:47:25 C 03 03 37.18 -20 43 18.7 V G96
2021-10-15 06:50:42 C 03 03 37.18 -20 43 26.3 V G96
2021-10-15 06:53:59 C 03 03 37.27 -20 43 34.5 V G96
2021-10-15 06:57:16 C 03 03 37.35 -20 43 41.2 V G96
2021-10-24 03:26:09 C 03 12 32.15 -31 53 53.8 u 807
2021-10-24 03:30:44 C 03 12 32.39 -31 54 15.3 u 807
2021-10-24 03:35:25 C 03 12 32.57 -31 54 36.5 u 807
2021-10-26 03:46:20 C 03 15 49.75 -36 00 10.9 u 807
2021-10-26 03:50:53 C 03 15 49.98 -36 00 37.1 u 807
2021-10-26 03:55:28 C 03 15 50.32 -36 01 03.4 u 807
2021-10-27 10:50:48 C 03 18 30.966 -39 10 40.78 U F51
2021-10-27 11:04:30 C 03 18 31.974 -39 12 11.27 U F51
2021-10-27 11:18:12 C 03 18 33.027 -39 13 41.34 U F51
2021-11-04 14:40:33 C 04 48 00.25 -74 51 02.5 V 474
2021-11-04 14:42:00 C 04 48 03.21 -74 51 24.1 V 474
2021-11-04 14:43:27 C 04 48 06.13 -74 51 45.8 V 474
2021-11-04 14:44:54 C 04 48 09.14 -74 52 07.5 V 474