2003 SS84

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5717429365 ± 2.95e-08
Semi-major axis (a)1.9307540714 AU ± 2.74e-09
Inclination (i)5.49226193° ± 3.87e-06
Long. of Asc. Node (Ω)198.15216467° ± 8.03e-06
Arg. of Perihelion (ω)234.92876288° ± 9.73e-06
Mean Anomaly (M)72.61601228° ± 7.14e-06
Mean Motion (n)0.3673853525°/day ± 7.81e-10
Perihelion dist (q)0.82685907 AU ± 5.70e-08
Aphelion dist (Q)3.03464907 AU ± 5.72e-08
Orbital Period2.68281323 yr ± 5.70e-09
Physical Parameters
H (abs. magnitude)21.95
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.380″
Uncertainty0
Orbit TypeApollo
MOID0.005816 AU
Observations Used248
Radar Obs Used4
Oppositions1
Arc Total2003-2020
First Observation Used2003-09-20
Last Observation Used2020-03-22
Observations (264)
Date Type RA Dec Mag Band Observatory
2020-02-21 04:20:02 C 08 17 52.80 -09 16 20.6 q H45
2020-02-21 04:22:05 C 08 17 53.24 -09 16 15.3 q H45
2020-02-21 04:24:06 C 08 17 53.59 -09 16 09.9 q H45
2020-02-21 04:26:10 C 08 17 54.10 -09 16 02.4 q H45
2020-02-21 04:28:03 C 08 17 54.36 -09 15 58.0 q H45
2020-03-04 05:42:25 C 09 00 48.99 +00 22 11.9 q G58
2020-03-04 06:07:29 C 09 00 51.42 +00 22 45.6 q G58
2020-03-04 06:18:37 C 09 00 52.53 +00 23 00.0 q G58
2020-03-15 03:09:24 C 09 23 30.85 +04 34 28.0 V G96
2020-03-15 03:23:13 C 09 23 31.80 +04 34 36.6 V G96
2020-03-15 03:31:16 C 09 23 32.36 +04 34 43.1 V G96
2020-03-15 03:40:56 C 09 23 33.00 +04 34 49.4 V G96
2020-03-22 02:53:24 C 09 35 05.07 +06 08 19.2 u H21
2020-03-22 02:57:46 C 09 35 05.35 +06 08 21.1 u H21
Radar Observations (4)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2003-10-04 01:08:00 56348884.78 1 us 2380 -1 -1
2003-10-04 02:01:00 56101229.8 1 us 2380 -1 -1
2003-10-07 00:42:00 37249206.77 0.5 us 2380 -1 -1
2003-10-10 22:30:00 76039 1 Hz 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)