2018 SD2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1113303772 ± 5.48e-05
Semi-major axis (a)0.9301504738 AU ± 3.71e-05
Inclination (i)3.67475814° ± 9.32e-04
Long. of Asc. Node (Ω)1.77516732° ± 1.12e-03
Arg. of Perihelion (ω)138.19120633° ± 3.97e-03
Mean Anomaly (M)222.30753270° ± 1.70e-01
Mean Motion (n)1.0987084351°/day ± 6.57e-05
Perihelion dist (q)0.82659647 AU ± 6.07e-05
Aphelion dist (Q)1.03370448 AU ± 6.55e-05
Orbital Period0.89707720 yr ± 5.36e-05
Physical Parameters
H (abs. magnitude)28.60
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.352″
Uncertainty3
Orbit TypeAten
MOID0.002125 AU
Observations Used18
Oppositions1
Arc Total2018-2018
First Observation Used2018-09-06
Last Observation Used2018-09-23
Observations (18)
Date Type RA Dec Mag Band Observatory
2018-09-06 07:50:36 C 02 12 36.26 +14 20 02.2 U W84
2018-09-08 06:08:43 C 02 14 03.79 +14 16 56.6 U W84
2018-09-08 06:10:28 C 02 14 03.73 +14 16 56.7 U W84
2018-09-08 06:12:16 C 02 14 03.64 +14 16 56.4 U W84
2018-09-21 13:50:02 C 02 24 13.71 +09 12 28.7 U T05
2018-09-21 13:52:46 C 02 24 12.99 +09 12 14.8 U T05
2018-09-21 14:04:39 C 02 24 10.00 +09 11 20.7 U T05
2018-09-21 14:19:49 C 02 24 06.12 +09 10 07.7 U T05
2018-09-21 14:22:45 C 02 24 05.41 +09 09 53.9 U T05
2018-09-21 14:35:00 C 02 24 02.45 +09 08 54.8 U T05
2018-09-21 14:38:10 C 02 24 01.67 +09 08 39.9 U T05
2018-09-21 23:17:05 C 02 26 06.18 +08 15 49.1 o K88
2018-09-21 23:22:04 C 02 26 05.48 +08 15 22.6 o K88
2018-09-21 23:28:18 C 02 26 04.61 +08 14 49.3 o K88
2018-09-23 11:26:22 C 02 33 54.24 +02 38 01.9 U T08
2018-09-23 11:35:15 C 02 33 51.49 +02 35 28.9 U T08
2018-09-23 11:47:03 C 02 33 47.82 +02 32 05.1 U T08
2018-09-23 11:58:49 C 02 33 43.96 +02 28 39.9 U T08