2021 TS9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5743928232 ± 2.00e-05
Semi-major axis (a)2.5985642395 AU ± 1.31e-04
Inclination (i)12.01332830° ± 2.91e-04
Long. of Asc. Node (Ω)207.94282574° ± 8.68e-05
Arg. of Perihelion (ω)200.74923926° ± 4.97e-05
Mean Anomaly (M)345.22971024° ± 2.61e-02
Mean Motion (n)0.2352946702°/day ± 1.78e-05
Perihelion dist (q)1.10596759 AU ± 7.64e-05
Aphelion dist (Q)4.09116089 AU ± 2.13e-04
Orbital Period4.18890187 yr ± 3.17e-04
Physical Parameters
H (abs. magnitude)23.93
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.254″
Uncertainty2
Orbit TypeAmor
MOID0.124817 AU
Observations Used41
Oppositions1
Arc Total2021-2021
First Observation Used2021-10-06
Last Observation Used2021-11-30
Observations (43)
Date Type RA Dec Mag Band Observatory
2021-10-06 12:07:33 C 23 24 24.800 +18 21 47.47 U F51
2021-10-06 12:25:04 C 23 24 26.061 +18 21 22.90 U F51
2021-10-06 12:42:27 C 23 24 27.283 +18 20 58.62 U F51
2021-10-09 09:46:01 C 23 30 22.103 +16 39 33.26 V 568
2021-10-09 09:47:26 C 23 30 22.219 +16 39 30.98 V 568
2021-10-09 09:48:51 C 23 30 22.336 +16 39 28.71 V 568
2021-10-09 09:50:15 C 23 30 22.448 +16 39 26.45 V 568
2021-10-10 06:19:22 C 23 32 20.51 +16 05 55.9 o 691
2021-10-10 06:50:07 C 23 32 23.24 +16 05 04.0 o 691
2021-10-10 07:20:54 C 23 32 25.96 +16 04 12.2 o 691
2021-10-11 03:07:06 C 23 34 27.43 +15 30 20.6 u H21
2021-10-11 03:19:11 C 23 34 28.54 +15 29 59.7 u H21
2021-10-11 03:31:16 C 23 34 29.72 +15 29 38.7 u H21
2021-10-27 03:29:38 C 00 36 06.03 -00 31 34.4 V V06
2021-10-27 03:36:05 C 00 36 07.43 -00 31 54.6 V V06
2021-10-27 03:39:19 C 00 36 08.08 -00 32 05.0 V V06
2021-10-27 05:02:13 C 00 36 25.31 -00 36 27.5 o 691
2021-10-27 05:20:11 C 00 36 29.04 -00 37 25.1 o 691
2021-10-27 05:38:11 C 00 36 32.75 -00 38 22.2 o 691
2021-10-29 03:48:50 C 00 47 07.79 -03 07 13.0 V I52
2021-10-29 03:51:03 C 00 47 08.25 -03 07 19.6 V I52
2021-10-29 03:52:09 C 00 47 08.50 -03 07 23.3 V I52
2021-10-29 05:55:36 C 00 47 35.82 -03 14 06.2 V G96
2021-10-29 06:03:02 C 00 47 37.45 -03 14 30.3 V G96
2021-10-29 06:10:29 C 00 47 39.09 -03 14 54.8 V G96
2021-10-29 06:17:57 C 00 47 40.76 -03 15 19.0 V G96
2021-10-29 07:17:16 C 00 47 56.693 -03 18 21.19 U F52
2021-10-29 07:20:55 C 00 47 57.510 -03 18 33.03 U F52
2021-10-29 07:34:40 C 00 48 00.534 -03 19 18.32 U F52
2021-10-29 07:38:21 C 00 48 01.383 -03 19 30.18 U F52
2021-10-29 07:52:07 C 00 48 04.407 -03 20 15.35 U F52
2021-10-29 08:13:09 C 00 48 09.016 -03 21 23.52 U F52
2021-11-01 01:38:09 C 01 04 13.46 -06 55 07.9 V W94
2021-11-01 01:46:31 C 01 04 15.40 -06 55 35.8 V W94
2021-11-01 01:54:47 C 01 04 17.35 -06 56 03.3 V W94
2021-11-08 07:50:34 C 01 51 10.031 -15 53 56.70 U F51
2021-11-08 07:51:29 C 01 51 10.262 -15 53 58.81 U F51
2021-11-08 08:06:19 C 01 51 14.168 -15 54 40.51 U F51
2021-11-08 08:07:15 C 01 51 14.444 -15 54 43.39 U F51
2021-11-08 08:22:05 C 01 51 18.311 -15 55 24.47 U F51
2021-11-30 04:37:31 C 03 58 32.61 -27 32 24.4 V 807
2021-11-30 04:42:51 C 03 58 33.50 -27 32 25.2 V 807
2021-11-30 04:48:10 C 03 58 34.39 -27 32 25.7 V 807