IAA RAS IAA Minor Planet Database

2004 TN20

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2588097931
Semi-major axis (a)0.9464443392 AU
Inclination (i)14.05971153°
Long. of Asc. Node (Ω)203.00979043°
Arg. of Perihelion (ω)56.56200347°
Mean Anomaly (M)65.57412251°
Mean Motion (n)1.0704385200°/day
Perihelion dist (q)0.70149700 AU
Aphelion dist (Q)1.19139080 AU
Orbital Period0.92075120 yr
Physical Parameters
H (abs. magnitude)24.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.483″
Uncertainty—
Orbit TypeAten
MOID0.020867 AU
Observations Used17
Oppositions1
Arc Total2004-2004
First Observation Used—
Last Observation Used2004-10-18
Observations (17)
Date Type RA Dec Mag Band Observatory
2004-10-15 04:46:53 C 23 14 02.94 +12 03 57.6 18.5 c 704
2004-10-15 05:02:51 C 23 14 14.57 +11 58 06.2 18.7 c 704
2004-10-15 05:18:49 C 23 14 26.17 +11 52 14.9 18.8 c 704
2004-10-15 05:34:46 C 23 14 37.69 +11 46 25.6 18.8 c 704
2004-10-15 05:50:43 C 23 14 49.23 +11 40 36.8 19.0 c 704
2004-10-17 06:05:09 C 23 43 42.15 -01 55 17.9 – r 734
2004-10-17 06:09:48 C 23 43 44.05 -01 56 17.1 – r 734
2004-10-17 06:14:26 C 23 43 45.95 -01 57 17.2 – r 734
2004-10-17 06:19:05 C 23 43 47.80 -01 58 15.4 – r 734
2004-10-17 07:15:38 C 23 44 12.67 -02 09 50.2 19.0 d 703
2004-10-17 07:16:14 C 23 44 12.91 -02 09 59.0 19.3 d 703
2004-10-17 07:16:47 C 23 44 13.13 -02 10 05.4 19.0 d 703
2004-10-18 04:43:45 C 23 52 56.01 -06 11 01.0 19.3 c 704
2004-10-18 04:59:43 C 23 53 01.01 -06 13 41.1 19.8 c 704
2004-10-18 05:15:39 C 23 53 05.96 -06 16 19.1 19.6 c 704
2004-10-18 05:31:36 C 23 53 10.89 -06 18 57.5 19.4 c 704
2004-10-18 05:47:32 C 23 53 15.80 -06 21 35.1 19.5 c 704