2021 TL15

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3695501019 ± 1.01e-06
Semi-major axis (a)1.4821428455 AU ± 2.17e-06
Inclination (i)20.43711104° ± 3.95e-05
Long. of Asc. Node (Ω)45.58955039° ± 1.45e-05
Arg. of Perihelion (ω)57.56436436° ± 9.97e-06
Mean Anomaly (M)61.68034688° ± 1.71e-03
Mean Motion (n)0.5462320557°/day ± 1.20e-06
Perihelion dist (q)0.93441681 AU ± 2.03e-06
Aphelion dist (Q)2.02986889 AU ± 3.33e-06
Orbital Period1.80440945 yr ± 3.97e-06
Physical Parameters
H (abs. magnitude)22.19
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.274″
Uncertainty1
Orbit TypeApollo
MOID0.062155 AU
Observations Used51
Oppositions1
Arc Total2021-2022
First Observation Used2021-10-04
Last Observation Used2022-05-06
Observations (51)
Date Type RA Dec Mag Band Observatory
2021-10-04 12:19:58 C 04 33 44.639 -08 14 52.74 V F51
2021-10-04 12:38:17 C 04 33 46.439 -08 14 35.81 V F51
2021-10-04 12:56:37 C 04 33 48.229 -08 14 18.76 V F51
2021-10-04 13:14:58 C 04 33 50.027 -08 14 01.68 V F51
2021-10-10 11:48:29 C 04 49 48.42 -05 31 10.4 V G96
2021-10-10 11:55:58 C 04 49 49.27 -05 31 00.4 V G96
2021-10-10 12:03:26 C 04 49 50.16 -05 30 50.1 V G96
2021-10-14 14:09:09 C 05 02 35.566 -02 54 13.16 U F52
2021-10-14 14:28:42 C 05 02 38.128 -02 53 37.16 U F52
2021-10-14 14:48:07 C 05 02 40.656 -02 53 01.60 U F52
2021-10-15 01:58:59 C 05 04 16.12 -02 32 21.5 V L01
2021-10-15 02:03:28 C 05 04 16.78 -02 32 13.7 V L01
2021-10-15 02:07:58 C 05 04 17.35 -02 32 05.4 V L01
2021-10-15 06:19:47 C 05 04 54.14 -02 23 22.8 u 807
2021-10-15 06:27:40 C 05 04 55.26 -02 23 07.3 u 807
2021-10-15 06:35:32 C 05 04 56.29 -02 22 53.0 u 807
2021-10-27 09:14:08 C 06 02 37.25 +12 24 33.3 V V06
2021-10-27 09:19:55 C 06 02 38.82 +12 25 00.4 V V06
2021-10-28 08:31:21 C 06 09 24.26 +14 13 39.1 V I52
2021-10-28 08:31:42 C 06 09 24.38 +14 13 41.1 V I52
2021-10-29 12:19:58 C 06 18 06.21 +16 32 59.9 V I52
2021-10-29 12:24:28 C 06 18 07.62 +16 33 22.7 V I52
2021-10-29 12:28:57 C 06 18 09.08 +16 33 45.4 V I52
2021-10-29 12:31:06 C 06 18 09.73 +16 33 57.1 V I52
2021-11-05 10:31:58 C 07 31 05.85 +33 13 27.3 V G96
2021-11-05 10:39:29 C 07 31 10.02 +33 14 16.2 V G96
2021-11-05 10:47:00 C 07 31 14.23 +33 15 04.8 V G96
2021-11-05 10:54:30 C 07 31 18.38 +33 15 53.5 V G96
2021-11-10 13:45:16 C 08 56 31.626 +45 10 22.07 U F52
2021-11-10 14:05:28 C 08 56 47.374 +45 11 59.07 U F52
2021-11-12 11:04:09 C 09 34 09.00 +48 16 52.1 V I52
2021-11-12 11:08:50 C 09 34 12.92 +48 17 08.8 V I52
2021-11-12 11:09:11 C 09 34 13.20 +48 17 10.0 V I52
2021-11-12 11:09:32 C 09 34 13.51 +48 17 11.7 V I52
2021-11-15 12:25:21 C 10 36 47.29 +51 17 58.7 V I52
2021-11-15 12:26:28 C 10 36 48.16 +51 18 00.3 V I52
2021-11-15 12:27:34 C 10 36 49.02 +51 18 01.5 V I52
2021-11-15 12:28:40 C 10 36 49.93 +51 18 03.7 V I52
2022-04-01 05:28:46 C 15 41 57.29 +06 51 18.8 V 807
2022-04-01 05:50:05 C 15 41 54.96 +06 51 01.4 V 807
2022-04-01 06:11:26 C 15 41 52.70 +06 50 44.3 V 807
2022-04-10 08:24:23 C 15 16 52.89 +03 36 27.4 u H21
2022-04-10 08:27:01 C 15 16 52.56 +03 36 24.9 u H21
2022-04-10 08:36:56 C 15 16 51.27 +03 36 15.7 u H21
2022-05-05 08:19:19 C 14 03 48.377 -06 03 03.17 V V06
2022-05-05 08:25:03 C 14 03 47.779 -06 03 08.24 V V06
2022-05-05 08:30:46 C 14 03 47.207 -06 03 12.85 V V06
2022-05-06 07:10:34 C 14 01 34.712 -06 22 56.93 V V06
2022-05-06 07:18:34 C 14 01 33.942 -06 23 03.91 V V06
2022-05-06 07:26:35 C 14 01 33.125 -06 23 10.61 V V06