2019 SD8

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5027428000
Semi-major axis (a)1.7612463000 AU
Inclination (i)3.72478000°
Long. of Asc. Node (Ω)5.21651000°
Arg. of Perihelion (ω)54.55259000°
Mean Anomaly (M)209.28762000°
Mean Motion (n)0.4216712000°/day
Perihelion dist (q)0.87579240 AU
Aphelion dist (Q)2.64670020 AU
Orbital Period2.33738440 yr
Physical Parameters
H (abs. magnitude)27.40
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date2026-04-13
RMS Residual0.410″
Uncertainty5
Orbit TypeApollo
MOID0.003286 AU
Observations Used60
Radar Obs Used2
Oppositions1
Arc Total
First Observation Used
Last Observation Used2019-10-01
Observations (60)
Date Type RA Dec Mag Band Observatory
2019-09-30 23:08:51 C 22 44 47.83 +07 20 03.3 V 204
2019-09-30 23:14:33 C 22 44 39.81 +07 24 31.2 V 204
2019-10-01 01:17:10 C 22 43 05.51 +09 08 57.8 u H21
2019-10-01 01:18:14 C 22 43 03.89 +09 09 55.2 u H21
2019-10-01 01:19:25 C 22 43 02.05 +09 10 59.3 u H21
2019-10-01 01:20:35 C 22 43 00.24 +09 12 02.9 u H21
2019-10-01 01:21:42 C 22 42 58.49 +09 13 03.7 u H21
2019-10-01 01:22:49 C 22 42 56.74 +09 14 04.5 u H21
2019-10-01 01:23:57 C 22 42 54.98 +09 15 05.3 u H21
2019-10-01 01:25:22 C 22 42 52.76 +09 16 22.7 u H21
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2019-10-01 02:56:00 148429.2695 7 Hz 2380 -1 -1
2019-10-01 03:17:00 6969378.53 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)