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
2014-10-16 11:21:37 C 05 08 22.63 +22 17 40.5 q 703
2014-10-17 21:42:25 C 05 13 12.59 +22 48 57.4 u 118
2014-10-17 22:01:05 C 05 13 15.24 +22 49 15.3 u 118
2014-10-18 03:15:39 C 05 13 59.85 +22 54 15.5 u 118
2014-10-18 03:46:14 C 05 14 04.18 +22 54 44.2 u 118
2014-10-22 23:46:45 C 05 33 00.17 +24 57 12.0 c J19
2014-10-23 00:05:34 C 05 33 03.44 +24 57 34.2 c J19
2014-10-23 00:11:50 C 05 33 04.51 +24 57 41.3 c J19
2014-10-23 00:18:06 C 05 33 05.67 +24 57 48.6 c J19
2014-10-23 00:24:22 C 05 33 06.83 +24 57 56.7 c J19
2014-10-23 02:25:21 C 05 33 28.33 +25 00 19.9 q 160
2014-10-23 02:28:11 C 05 33 28.85 +25 00 22.5 q 160
2014-10-23 02:31:03 C 05 33 29.38 +25 00 25.9 q 160
2014-10-24 01:28:50 C 05 37 49.76 +25 27 56.1 t 130
2014-10-24 01:30:29 C 05 37 50.07 +25 27 58.1 t 130
2014-10-24 01:32:08 C 05 37 50.39 +25 28 00.1 t 130
2014-10-24 01:33:47 C 05 37 50.71 +25 28 02.3 t 130
2014-10-24 10:20:28 C 05 39 33.60 +25 38 57.1 q G96
2014-10-24 10:29:16 C 05 39 35.28 +25 39 08.1 q G96
2014-10-24 10:38:04 C 05 39 36.97 +25 39 19.0 q G96
2014-10-24 10:46:52 C 05 39 38.66 +25 39 30.0 q G96
2014-10-26 22:18:49 C 05 52 19.32 +26 57 23.2 15.3 q B04
2014-10-26 22:36:56 C 05 52 23.43 +26 57 48.6 15.4 q B04
2014-10-26 23:01:06 C 05 52 28.93 +26 58 23.0 15.6 q B04
2014-10-26 23:07:09 C 05 52 30.29 +26 58 31.5 15.6 q B04
2014-10-26 23:17:12 C 05 52 32.57 +26 58 45.7 15.7 q B04
2014-10-28 00:14:05 C 05 58 26.84 +27 34 01.1 q 160
2014-10-28 00:16:50 C 05 58 27.51 +27 34 05.0 q 160
2014-10-28 00:19:24 C 05 58 28.12 +27 34 08.9 q 160
2014-10-30 09:40:16 C 06 13 39.56 +29 00 45.7 q G96
2014-10-30 09:46:22 C 06 13 41.27 +29 00 55.4 q G96
2014-10-30 09:52:29 C 06 13 42.97 +29 01 05.2 q G96
2014-10-30 09:58:35 C 06 13 44.68 +29 01 14.9 q G96
2014-11-02 00:40:20 C 06 33 32.31 +30 43 52.1 q 160
2014-11-02 00:43:11 C 06 33 33.28 +30 43 57.0 q 160
2014-11-02 00:45:58 C 06 33 34.23 +30 44 01.9 q 160
2014-11-04 09:00:12 C 06 54 54.18 +32 21 16.7 q G96
2014-11-04 09:07:37 C 06 54 57.19 +32 21 29.9 q G96
2014-11-04 09:15:00 C 06 55 00.19 +32 21 43.0 q G96
2014-11-04 09:22:24 C 06 55 03.20 +32 21 56.2 q G96
2014-11-09 08:30:30 C 07 55 11.53 +35 36 41.2 u H21
2014-11-09 08:33:15 C 07 55 13.17 +35 36 45.2 u H21
2014-11-09 08:35:58 C 07 55 14.79 +35 36 48.9 u H21
2014-11-09 08:38:42 C 07 55 16.41 +35 36 52.9 u H21
2014-11-09 08:41:26 C 07 55 18.03 +35 36 56.7 u H21
2014-11-09 08:44:09 C 07 55 19.65 +35 37 00.5 u H21
2014-11-09 08:46:54 C 07 55 21.29 +35 37 04.4 u H21
2014-11-09 08:50:24 C 07 55 23.36 +35 37 09.2 u H21
2014-11-09 11:05:20 C 07 56 43.78 +35 40 14.9 u H21
2014-11-09 11:07:23 C 07 56 45.01 +35 40 17.6 u H21
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)