IAA RAS IAA Minor Planet Database

2019 ON1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3892076344 ± 2.31e-04
Semi-major axis (a)1.8900045118 AU ± 8.52e-04
Inclination (i)4.21746297° ± 1.97e-03
Long. of Asc. Node (Ω)296.68297272° ± 4.22e-04
Arg. of Perihelion (ω)31.47434575° ± 9.17e-04
Mean Anomaly (M)145.89741535° ± 5.80e-01
Mean Motion (n)0.3793307195°/day ± 2.56e-04
Perihelion dist (q)1.15440033 AU ± 6.79e-04
Aphelion dist (Q)2.62560870 AU ± 1.26e-03
Orbital Period2.59832972 yr ± 1.76e-03
Physical Parameters
H (abs. magnitude)24.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.183″
Uncertainty3
Orbit TypeAmor
MOID0.145560 AU
Observations Used18
Oppositions1
Arc Total2019-2019
First Observation Used2019-07-03
Last Observation Used2019-07-29
Observations (18)
Date Type RA Dec Mag Band Observatory
2019-07-03 11:34:09 C 19 58 49.233 -25 31 09.78 – V F51
2019-07-03 12:05:22 C 19 58 50.499 -25 30 47.80 – V F51
2019-07-07 11:25:02 C 20 03 50.092 -24 17 55.17 – V F51
2019-07-07 11:42:54 C 20 03 50.816 -24 17 40.09 – V F51
2019-07-07 12:00:46 C 20 03 51.580 -24 17 25.12 – V F51
2019-07-25 09:08:53 C 20 28 26.313 -16 07 30.88 – U F51
2019-07-25 09:26:10 C 20 28 27.175 -16 07 05.79 – U F51
2019-07-25 09:43:29 C 20 28 28.043 -16 06 40.81 – U F51
2019-07-25 10:00:44 C 20 28 28.890 -16 06 15.85 – U F51
2019-07-26 06:40:11 C 20 29 46.17 -15 35 01.1 – U 807
2019-07-26 06:49:01 C 20 29 46.64 -15 34 47.8 – U 807
2019-07-26 06:57:51 C 20 29 47.10 -15 34 34.3 – U 807
2019-07-29 06:04:43 C 20 34 27.84 -13 45 13.0 – U 807
2019-07-29 06:14:05 C 20 34 28.32 -13 44 57.8 – U 807
2019-07-29 06:23:28 C 20 34 28.82 -13 44 42.8 – U 807
2019-07-29 09:22:04 C 20 34 40.68 -13 40 52.5 – o 691
2019-07-29 09:36:20 C 20 34 41.45 -13 40 29.3 – o 691
2019-07-29 09:50:37 C 20 34 42.23 -13 40 06.6 – o 691