IAA RAS IAA Minor Planet Database

2019 TW1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5142774333 ± 1.76e-04
Semi-major axis (a)1.8142994114 AU ± 6.06e-04
Inclination (i)8.08758335° ± 2.03e-03
Long. of Asc. Node (Ω)14.94891783° ± 1.07e-04
Arg. of Perihelion (ω)49.24137447° ± 1.16e-03
Mean Anomaly (M)166.87338984° ± 4.45e-01
Mean Motion (n)0.4033191439°/day ± 2.02e-04
Perihelion dist (q)0.88124617 AU ± 4.34e-04
Aphelion dist (Q)2.74735266 AU ± 9.72e-04
Orbital Period2.44378750 yr ± 1.22e-03
Physical Parameters
H (abs. magnitude)27.92
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.277″
Uncertainty3
Orbit TypeApollo
MOID0.000807 AU
Observations Used18
Oppositions1
Arc Total2019-2019
First Observation Used2019-10-05
Last Observation Used2019-10-07
Observations (19)
Date Type RA Dec Mag Band Observatory
2019-10-05 06:17:00 C 00 51 29.17 -23 39 50.9 – V G96
2019-10-05 06:24:29 C 00 51 32.81 -23 39 35.4 – V G96
2019-10-05 06:31:58 C 00 51 36.42 -23 39 19.9 – V G96
2019-10-05 06:39:27 C 00 51 39.95 -23 39 05.5 – V G96
2019-10-05 09:08:34 C 00 52 55.19 -23 32 56.8 – V I52
2019-10-05 09:09:58 C 00 52 55.89 -23 32 53.1 – V I52
2019-10-05 09:11:22 C 00 52 56.68 -23 32 49.5 – V I52
2019-10-05 09:12:46 C 00 52 57.40 -23 32 45.5 – V I52
2019-10-05 12:15:58 C 00 55 14.35 -23 16 05.1 – V 474
2019-10-05 12:18:35 C 00 55 15.86 -23 15 57.6 – V 474
2019-10-05 12:21:13 C 00 55 17.43 -23 15 50.5 – V 474
2019-10-05 12:23:50 C 00 55 18.94 -23 15 42.9 – V 474
2019-10-05 23:37:19 C 01 04 31.49 -22 47 45.6 – V L01
2019-10-05 23:38:05 C 01 04 32.15 -22 47 42.2 – V L01
2019-10-05 23:40:23 C 01 04 34.11 -22 47 31.7 – V L01
2019-10-05 23:43:04 C 01 04 36.44 -22 47 20.4 – V L01
2019-10-07 06:48:50 C 02 06 30.42 -17 32 00.2 – V I52
2019-10-07 06:49:28 C 02 06 32.74 -17 31 46.3 – V I52
2019-10-07 06:53:24 C 02 06 47.00 -17 30 17.4 – V I52