2018 SD3

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2754544605 ± 7.09e-05
Semi-major axis (a)1.3793301400 AU ± 1.37e-04
Inclination (i)12.00499425° ± 2.28e-03
Long. of Asc. Node (Ω)187.39978165° ± 5.33e-05
Arg. of Perihelion (ω)202.03781670° ± 1.32e-03
Mean Anomaly (M)134.31447702° ± 2.35e-01
Mean Motion (n)0.6084290434°/day ± 9.09e-05
Perihelion dist (q)0.99938750 AU ± 1.40e-04
Aphelion dist (Q)1.75927278 AU ± 2.01e-04
Orbital Period1.61995272 yr ± 2.42e-04
Physical Parameters
H (abs. magnitude)27.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.339″
Uncertainty3
Orbit TypeApollo
MOID0.011800 AU
Observations Used22
Oppositions1
Arc Total2018-2018
First Observation Used2018-09-30
Last Observation Used2018-10-02
Observations (23)
Date Type RA Dec Mag Band Observatory
2018-09-30 04:18:46 C 22 36 26.23 +06 50 42.8 V G96
2018-09-30 04:26:47 C 22 36 34.91 +06 47 35.4 V G96
2018-09-30 04:34:48 C 22 36 43.73 +06 44 25.0 V G96
2018-09-30 04:42:49 C 22 36 52.35 +06 41 18.2 V G96
2018-09-30 07:45:14 C 22 40 14.78 +05 28 00.8 V I52
2018-09-30 07:47:38 C 22 40 17.47 +05 27 02.3 V I52
2018-09-30 07:50:02 C 22 40 20.25 +05 26 03.7 V I52
2018-09-30 07:52:26 C 22 40 23.00 +05 25 04.6 V I52
2018-09-30 21:48:13 C 22 59 31.58 -00 50 16.9 V L01
2018-09-30 21:51:38 C 22 59 36.25 -00 51 56.2 V L01
2018-09-30 23:12:38 C 23 01 34.30 -01 32 09.6 V J95
2018-09-30 23:19:01 C 23 01 43.22 -01 35 18.2 V J95
2018-10-01 11:36:08 C 23 21 22.16 -07 45 36.9 V 474
2018-10-01 11:36:44 C 23 21 23.17 -07 45 57.2 V 474
2018-10-01 11:37:58 C 23 21 25.10 -07 46 37.5 V 474
2018-10-01 11:39:11 C 23 21 27.05 -07 47 18.0 V 474
2018-10-02 05:27:02 C 23 54 42.17 -18 14 02.7 u H21
2018-10-02 05:29:58 C 23 54 47.70 -18 15 46.0 u H21
2018-10-02 05:33:09 C 23 54 53.75 -18 17 38.5 u H21
2018-10-02 05:36:38 C 23 55 00.32 -18 19 40.3 u H21
2018-10-02 10:36:36 C 00 05 41.88 -21 02 07.7 V 474
2018-10-02 10:37:49 C 00 05 44.39 -21 02 51.1 V 474
2018-10-02 10:39:03 C 00 05 46.82 -21 03 34.3 V 474