IAA RAS IAA Minor Planet Database

2021 TN1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2409133718 ± 1.69e-05
Semi-major axis (a)1.3288183574 AU ± 3.26e-05
Inclination (i)3.25522376° ± 2.95e-04
Long. of Asc. Node (Ω)5.50257452° ± 2.94e-04
Arg. of Perihelion (ω)23.79150864° ± 5.23e-04
Mean Anomaly (M)239.57501523° ± 3.51e-02
Mean Motion (n)0.6434485809°/day ± 2.37e-05
Perihelion dist (q)1.00868825 AU ± 3.34e-05
Aphelion dist (Q)1.64894847 AU ± 4.63e-05
Orbital Period1.53178717 yr ± 5.64e-05
Physical Parameters
H (abs. magnitude)26.33
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.337″
Uncertainty2
Orbit TypeApollo
MOID0.016859 AU
Observations Used46
Oppositions1
Arc Total2021-2021
First Observation Used2021-10-04
Last Observation Used2021-12-02
Observations (46)
Date Type RA Dec Mag Band Observatory
2021-10-04 05:51:36 C 21 51 16.372 -03 23 05.63 – U F52
2021-10-04 06:09:02 C 21 51 16.967 -03 20 35.55 – U F52
2021-10-04 06:26:27 C 21 51 17.527 -03 18 05.09 – U F52
2021-10-04 08:32:38 C 21 51 21.259 -02 59 46.84 – V F51
2021-10-04 08:35:17 C 21 51 21.351 -02 59 23.37 – V F51
2021-10-04 08:36:13 C 21 51 21.378 -02 59 15.46 – V F51
2021-10-04 09:55:00 C 21 51 24.561 -02 47 41.38 – V F51
2021-10-04 20:15:37 C 21 53 02.18 -01 16 17.8 – X Z41
2021-10-04 20:35:03 C 21 53 03.24 -01 13 18.9 – X Z41
2021-10-04 20:49:35 C 21 53 04.05 -01 11 04.6 – X Z41
2021-10-04 21:11:38 C 21 53 00.24 -01 08 02.6 – V L01
2021-10-04 21:13:52 C 21 53 00.41 -01 07 41.9 – V L01
2021-10-04 21:16:07 C 21 53 00.59 -01 07 21.3 – V L01
2021-10-04 21:18:05 C 21 53 00.68 -01 07 03.3 – V L01
2021-10-04 21:20:44 C 21 53 00.88 -01 06 37.8 – V L01
2021-10-05 01:25:57 C 21 53 46.18 -00 28 00.6 – u H21
2021-10-05 01:29:59 C 21 53 46.43 -00 27 22.5 – u H21
2021-10-05 03:15:07 C 21 53 58.59 -00 10 25.1 – X 858
2021-10-05 03:19:40 C 21 53 58.82 -00 09 41.8 – X 858
2021-10-05 03:24:08 C 21 53 59.06 -00 08 59.1 – X 858
2021-10-08 02:54:45 C 22 06 18.80 +13 03 28.1 – V V06
2021-10-08 02:55:01 C 22 06 18.84 +13 03 31.6 – V V06
2021-10-08 02:55:18 C 22 06 18.86 +13 03 35.2 – V V06
2021-10-08 02:55:35 C 22 06 18.89 +13 03 38.6 – V V06
2021-10-08 19:06:11 C 22 09 50.68 +16 31 33.6 – V A17
2021-10-08 19:14:11 C 22 09 51.91 +16 33 21.1 – V A17
2021-10-08 19:22:09 C 22 09 53.08 +16 35 07.8 – V A17
2021-10-12 20:18:23 C 22 41 04.16 +39 54 27.2 – Z C95
2021-10-12 20:31:01 C 22 41 08.23 +39 57 32.9 – Z C95
2021-10-12 20:43:42 C 22 41 12.07 +40 00 39.6 – Z C95
2021-10-12 20:56:23 C 22 41 16.12 +40 03 45.3 – Z C95
2021-10-12 21:34:19 C 22 41 31.41 +40 11 45.2 – V Z99
2021-10-12 21:37:20 C 22 41 32.43 +40 12 28.9 – V Z99
2021-10-12 21:38:20 C 22 41 32.76 +40 12 43.3 – V Z99
2021-10-12 21:40:38 C 22 41 33.55 +40 13 17.0 – V Z99
2021-10-12 21:42:58 C 22 41 34.35 +40 13 50.6 – V Z99
2021-10-16 01:19:36 C 23 26 23.79 +57 06 53.7 – X W34
2021-10-16 01:32:07 C 23 26 31.34 +57 09 27.1 – X W34
2021-10-16 01:44:04 C 23 26 38.50 +57 11 52.5 – X W34
2021-10-18 02:26:26 C 00 11 50.40 +65 24 13.5 – u H21
2021-10-18 02:34:05 C 00 11 57.42 +65 25 23.2 – u H21
2021-10-18 02:42:09 C 00 12 04.82 +65 26 36.1 – u H21
2021-12-02 09:28:18 C 06 53 13.17 +55 46 50.2 – V V00
2021-12-02 09:35:20 C 06 53 12.44 +55 46 43.5 – V V00
2021-12-02 09:42:21 C 06 53 11.77 +55 46 37.6 – V V00
2021-12-02 09:49:21 C 06 53 10.93 +55 46 31.4 – V V00