2018 SR1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5799905714 ± 2.00e+00
Semi-major axis (a)2.4908994401 AU ± 3.00e+00
Inclination (i)21.50462348° ± 4.00e+00
Long. of Asc. Node (Ω)358.76259940° ± 5.00e+00
Arg. of Perihelion (ω)3.12136221° ± 6.00e+00
Mean Anomaly (M)295.55092447° ± 1.52e-01
Mean Motion (n)0.2507167700°/day ± 4.53e-01
Perihelion dist (q)1.04620070 AU ± 5.14e+00
Aphelion dist (Q)3.93549410 AU ± 6.88e+00
Orbital Period3.93115970 yr ± 7.10e+00
Physical Parameters
H (abs. magnitude)22.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.441″
Uncertainty3
Orbit TypeAmor
MOID0.041156 AU
Observations Used190
Oppositions1
Arc Total2018-2018
First Observation Used
Last Observation Used2018-10-21
Observations (212)
Date Type RA Dec Mag Band Observatory
2018-09-28 05:35:25 v 1 248.2384 +40.4490 247
2018-09-28 19:47:24 C 23 02 40.14 +47 19 44.3 t L04
2018-09-28 20:01:33 C 23 02 37.57 +47 22 24.3 t L04
2018-09-28 21:23:43 C 23 02 26.22 +47 37 29.1 V J95
2018-09-28 21:27:38 C 23 02 25.50 +47 38 12.8 V J95
2018-09-28 21:33:44 C 23 02 24.48 +47 39 21.1 V J95
2018-10-01 09:58:04 C 22 54 02.30 +56 34 06.5 U T05
2018-10-01 10:02:41 C 22 54 01.46 +56 34 38.3 U T05
2018-10-01 10:21:50 C 22 53 58.04 +56 36 48.6 U T05
2018-10-01 10:33:57 C 22 53 55.95 +56 38 10.8 U T05
2018-10-21 03:12:27 C 22 25 45.93 +74 45 58.4 o 695
2018-10-21 03:25:05 C 22 25 45.72 +74 46 06.0 o 695