85713 (1998 SS49)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6388279291 ± 9.76e-09
Semi-major axis (a)1.9234610632 AU ± 2.56e-10
Inclination (i)10.78514118° ± 2.02e-06
Long. of Asc. Node (Ω)40.94920425° ± 3.86e-06
Arg. of Perihelion (ω)103.13358943° ± 4.25e-06
Mean Anomaly (M)27.38773996° ± 4.24e-07
Mean Motion (n)0.3694768031°/day ± 7.39e-11
Perihelion dist (q)0.69470042 AU ± 1.88e-08
Aphelion dist (Q)3.15222171 AU ± 1.88e-08
Orbital Period2.66762697 yr ± 5.33e-10
Physical Parameters
H (abs. magnitude)15.77
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.234″
Uncertainty0
Orbit TypeApollo
MOID0.004653 AU
Observations Used1372
Radar Obs Used3
Oppositions15
Arc Total1998-2024
First Observation Used1998-09-29
Last Observation Used2024-10-22
Observations (1498)
Date Type RA Dec Mag Band Observatory
2022-11-14 19:42:42 C 07 53 20.08 +44 06 23.7 M32
2022-11-14 19:42:55 C 07 53 20.24 +44 06 24.1 M32
2022-11-14 19:43:07 C 07 53 20.41 +44 06 24.8 M32
2022-11-14 19:43:19 C 07 53 20.56 +44 06 25.6 M32
2022-11-14 19:43:29 C 07 53 20.75 +44 06 26.1 M32
2022-11-14 19:43:41 C 07 53 20.89 +44 06 26.8 M32
2022-11-14 19:43:53 C 07 53 21.07 +44 06 27.3 M32
2022-11-14 19:44:05 C 07 53 21.25 +44 06 27.6 M32
2022-11-14 19:44:17 C 07 53 21.38 +44 06 28.3 M32
2022-11-14 19:44:29 C 07 53 21.59 +44 06 29.2 M32
2022-11-14 19:44:41 C 07 53 21.73 +44 06 29.6 M32
2022-11-14 19:44:53 C 07 53 21.89 +44 06 30.1 M32
2022-11-14 19:45:04 C 07 53 22.06 +44 06 30.8 M32
2022-11-14 19:45:16 C 07 53 22.21 +44 06 31.2 M32
2022-11-14 19:45:27 C 07 53 22.38 +44 06 31.7 M32
2022-11-14 19:45:40 C 07 53 22.57 +44 06 32.4 M32
2022-11-14 19:45:52 C 07 53 22.73 +44 06 32.9 M32
2022-11-14 19:46:04 C 07 53 22.87 +44 06 33.4 M32
2022-11-14 19:46:16 C 07 53 23.04 +44 06 34.1 M32
2022-11-14 19:46:26 C 07 53 23.21 +44 06 34.4 M32
2022-11-14 19:46:38 C 07 53 23.37 +44 06 35.3 M32
2022-11-14 19:46:50 C 07 53 23.54 +44 06 35.6 M32
2022-11-14 19:47:02 C 07 53 23.74 +44 06 36.4 M32
2022-11-14 19:47:15 C 07 53 23.85 +44 06 36.7 M32
2022-11-14 19:47:27 C 07 53 24.03 +44 06 37.5 M32
2022-11-14 19:47:38 C 07 53 24.23 +44 06 38.4 M32
2022-11-14 19:47:49 C 07 53 24.37 +44 06 38.5 M32
2022-11-14 19:48:01 C 07 53 24.52 +44 06 39.2 M32
2022-11-14 19:48:13 C 07 53 24.65 +44 06 39.6 M32
2022-11-14 19:48:25 C 07 53 24.86 +44 06 40.1 M32
2022-11-14 20:08:52 C 07 53 42.047 +44 07 39.32 g K99
2022-11-14 20:11:30 C 07 53 44.290 +44 07 47.17 g K99
2022-11-14 20:12:35 C 07 53 45.208 +44 07 50.73 g K99
2022-11-14 20:13:41 C 07 53 46.111 +44 07 53.45 g K99
2022-11-14 20:14:46 C 07 53 47.048 +44 07 56.65 g K99
2022-11-14 20:15:50 C 07 53 47.939 +44 08 00.23 g K99
2022-11-14 20:16:56 C 07 53 48.871 +44 08 03.12 g K99
2022-11-14 20:18:01 C 07 53 49.767 +44 08 06.28 g K99
2022-11-14 20:19:07 C 07 53 50.703 +44 08 09.49 g K99
2022-11-14 20:20:13 C 07 53 51.619 +44 08 12.79 g K99
2022-11-14 20:21:19 C 07 53 52.542 +44 08 15.94 g K99
2022-11-14 20:22:32 C 07 53 53.582 +44 08 19.52 g K99
2022-11-14 20:23:39 C 07 53 54.512 +44 08 22.83 g K99
2022-11-14 20:24:43 C 07 53 55.425 +44 08 25.79 g K99
2022-11-14 20:25:49 C 07 53 56.361 +44 08 28.59 g K99
2022-11-14 20:26:54 C 07 53 57.236 +44 08 32.10 g K99
2022-11-14 20:28:00 C 07 53 58.169 +44 08 35.07 g K99
2022-11-14 20:29:04 C 07 53 59.081 +44 08 38.23 g K99
2022-11-14 20:30:09 C 07 54 00.017 +44 08 41.58 g K99
2022-11-14 20:31:15 C 07 54 00.929 +44 08 44.71 g K99
Radar Observations (3)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2014-11-21 11:44:00 193523879.3 4 us 2380 -1 -1
2014-11-21 12:31:00 193610727.44 1 us 2380 -1 -1
2022-11-18 07:50:00 146933763 10 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)