IAA RAS IAA Minor Planet Database

2021 TY3

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4616685814 ± 1.21e-03
Semi-major axis (a)2.1383327181 AU ± 5.73e-03
Inclination (i)32.42993854° ± 4.55e-02
Long. of Asc. Node (Ω)185.07792301° ± 1.58e-02
Arg. of Perihelion (ω)91.57287896° ± 8.88e-02
Mean Anomaly (M)148.39829979° ± 2.07e+00
Mean Motion (n)0.3152095410°/day ± 1.27e-03
Perihelion dist (q)1.15113169 AU ± 4.02e-03
Aphelion dist (Q)3.12553375 AU ± 8.76e-03
Orbital Period3.12689229 yr ± 1.26e-02
Physical Parameters
H (abs. magnitude)21.26
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.259″
Uncertainty4
Orbit TypeAmor
MOID0.467459 AU
Observations Used16
Oppositions1
Arc Total2021-2021
First Observation Used2021-10-04
Last Observation Used2021-10-11
Observations (16)
Date Type RA Dec Mag Band Observatory
2021-10-04 07:43:17 C 22 17 20.101 +01 18 01.56 – U F52
2021-10-04 08:00:38 C 22 17 20.838 +01 17 26.90 – U F52
2021-10-04 08:18:02 C 22 17 21.591 +01 16 52.45 – U F52
2021-10-04 08:35:27 C 22 17 22.327 +01 16 18.00 – U F52
2021-10-05 10:09:20 C 22 18 33.598 +00 26 32.31 – V F51
2021-10-05 10:23:24 C 22 18 34.184 +00 26 05.49 – V F51
2021-10-05 10:55:36 C 22 18 35.598 +00 25 04.13 – V F51
2021-10-06 00:22:44 C 22 19 14.51 -00 00 10.5 – V 807
2021-10-06 00:34:57 C 22 19 15.04 -00 00 33.1 – V 807
2021-10-06 00:46:39 C 22 19 15.57 -00 00 55.1 – V 807
2021-10-06 05:41:19 C 22 19 29.619 -00 10 15.68 – V F51
2021-10-06 06:01:19 C 22 19 30.491 -00 10 53.09 – V F51
2021-10-06 06:21:21 C 22 19 31.369 -00 11 30.59 – V F51
2021-10-11 00:44:33 C 22 25 02.10 -03 26 24.8 – V 807
2021-10-11 00:56:46 C 22 25 02.63 -03 26 43.8 – V 807
2021-10-11 01:08:28 C 22 25 03.14 -03 27 01.4 – V 807