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
2014-11-09 11:09:58 C 07 56 46.56 +35 40 21.1 u H21
2014-11-09 11:12:32 C 07 56 48.10 +35 40 24.6 u H21
2014-11-09 11:15:07 C 07 56 49.63 +35 40 28.1 u H21
2014-11-09 11:17:41 C 07 56 51.17 +35 40 31.5 u H21
2014-11-09 11:20:31 C 07 56 52.86 +35 40 35.3 u H21
2014-11-14 10:47:29 C 09 21 22.07 +36 57 06.0 u H21
2014-11-14 10:50:13 C 09 21 24.21 +36 57 05.2 u H21
2014-11-14 10:55:42 C 09 21 28.47 +36 57 03.6 u H21
2014-11-14 10:58:26 C 09 21 30.59 +36 57 02.8 u H21
2014-11-14 11:01:10 C 09 21 32.72 +36 57 01.9 u H21
2014-11-14 11:06:38 C 09 21 36.96 +36 57 00.2 u H21
2014-11-14 11:09:22 C 09 21 39.09 +36 56 59.4 u H21
2014-11-14 11:12:05 C 09 21 41.20 +36 56 58.6 u H21
2014-11-15 10:57:08 C 09 40 39.77 +36 43 35.1 u H21
2014-11-15 10:59:53 C 09 40 41.95 +36 43 32.9 u H21
2014-11-15 11:02:38 C 09 40 44.13 +36 43 30.7 u H21
2014-11-15 11:05:23 C 09 40 46.31 +36 43 28.5 u H21
2014-11-15 11:08:08 C 09 40 48.49 +36 43 26.3 u H21
2014-11-15 11:10:53 C 09 40 50.68 +36 43 24.1 u H21
2014-11-15 11:13:22 C 09 40 52.66 +36 43 22.2 u H21
2014-11-16 10:33:22 C 09 59 49.85 +36 18 36.1 q G96
2014-11-16 10:40:39 C 09 59 55.71 +36 18 27.1 q G96
2014-11-16 10:47:55 C 10 00 01.56 +36 18 18.1 q G96
2014-11-16 10:55:15 C 10 00 07.45 +36 18 08.9 q G96
2014-11-16 12:55:37 S 10 01 42.97 +36 15 32.0 L C51
2014-11-16 12:55:48 S 10 01 43.13 +36 15 32.7 L C51
2014-11-16 16:05:03 S 10 04 17.17 +36 11 08.6 L C51
2014-11-16 17:39:40 S 10 05 34.19 +36 08 51.9 L C51
2014-11-16 20:48:54 S 10 08 08.18 +36 04 08.9 L C51
2014-11-21 11:06:55 C 11 33 27.70 +31 20 37.7 u H21
2014-11-21 11:09:40 C 11 33 29.61 +31 20 28.4 u H21
2014-11-21 11:12:24 C 11 33 31.50 +31 20 19.3 u H21
2014-11-21 11:15:07 C 11 33 33.40 +31 20 10.2 u H21
2014-11-21 11:17:51 C 11 33 35.30 +31 20 00.8 u H21
2014-11-21 11:20:34 C 11 33 37.18 +31 19 51.7 u H21
2014-11-21 11:23:50 C 11 33 39.46 +31 19 40.6 u H21
2014-11-23 21:50:51 C 12 11 55.55 +27 45 38.3 r 168
2014-11-23 22:45:51 C 12 12 28.66 +27 42 10.5 r 168
2014-11-23 22:49:31 C 12 12 30.85 +27 41 56.6 r 168
2014-11-24 00:14:26 C 12 13 21.62 +27 36 35.1 r 168
2014-11-24 00:18:16 C 12 13 23.88 +27 36 20.7 r 168
2014-11-24 12:47:06 C 12 20 44.75 +26 48 37.8 q G96
2014-11-24 12:50:36 C 12 20 46.74 +26 48 24.5 q G96
2014-11-24 12:54:06 C 12 20 48.72 +26 48 11.1 q G96
2014-11-24 12:57:36 C 12 20 50.73 +26 47 57.7 q G96
2014-11-26 11:45:50 C 12 46 00.17 +23 46 48.8 q G96
2014-11-26 11:55:16 C 12 46 04.81 +23 46 13.0 q G96
2014-11-26 12:04:42 C 12 46 09.47 +23 45 37.2 q G96
2014-11-26 12:14:08 C 12 46 14.10 +23 45 01.4 q G96
2015-04-20 05:57:50 S 20 15 02.407 -28 47 34.87 L C51
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)