2019 SR4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5554602898
Semi-major axis (a)2.0963076858 AU
Inclination (i)7.03404587°
Long. of Asc. Node (Ω)179.28603655°
Arg. of Perihelion (ω)135.52714691° ± 6.00e+00
Mean Anomaly (M)22.84762755°
Mean Motion (n)0.3247290700°/day
Perihelion dist (q)0.93189290 AU
Aphelion dist (Q)3.26072490 AU
Orbital Period3.03516930 yr
Physical Parameters
H (abs. magnitude)26.12
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.542″
Uncertainty
Orbit TypeApollo
MOID0.012984 AU
Observations Used15
Oppositions1
Arc Total2019-2019
First Observation Used
Last Observation Used2019-09-27
Observations (16)
Date Type RA Dec Mag Band Observatory
2019-09-19 08:32:57 C 00 05 59.86 +23 56 43.7 V 703
2019-09-19 08:40:38 C 00 06 12.64 +23 53 23.7 V 703
2019-09-26 12:01:36 C 01 30 48.870 -00 41 59.48 U F51
2019-09-26 12:18:11 C 01 30 50.358 -00 42 41.73 U F51
2019-09-26 12:34:47 C 01 30 51.851 -00 43 23.89 U F51
2019-09-26 23:25:56 C 01 32 13.61 -01 10 30.9 V L01
2019-09-26 23:29:20 C 01 32 13.89 -01 10 38.4 V L01
2019-09-26 23:46:47 C 01 32 15.42 -01 11 19.0 V L01
2019-09-26 23:51:19 C 01 32 15.81 -01 11 29.8 V L01
2019-09-27 05:17:00 C 01 32 54.22 -01 23 34.0 u H21
2019-09-27 05:25:22 C 01 32 54.92 -01 23 52.3 u H21
2019-09-27 05:35:50 C 01 32 55.78 -01 24 15.1 u H21
2019-09-27 07:51:02 C 01 33 08.60 -01 29 00.0 V H01
2019-09-27 08:03:21 C 01 33 09.52 -01 29 26.5 V H01
2019-09-27 08:11:37 C 01 33 10.14 -01 29 44.4 V H01
2019-09-27 08:21:22 C 01 33 10.87 -01 30 05.5 V H01