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
2022-10-06 00:07:44 C 04 21 09.21 +18 07 22.9 – V C23
2022-10-06 00:13:58 C 04 21 09.66 +18 07 26.7 – V C23
2022-10-06 12:52:33 C 04 22 05.897 +18 14 37.28 – V T05
2022-10-06 12:55:09 C 04 22 06.070 +18 14 38.62 – V T05
2022-10-06 13:24:56 C 04 22 08.172 +18 14 55.61 – V T05
2022-10-06 13:30:08 C 04 22 08.551 +18 14 58.45 – V T05
2022-10-07 02:04:10 C 04 23 05.184 +18 22 00.05 – V K74
2022-10-07 02:08:37 C 04 23 05.486 +18 22 03.50 – V K74
2022-10-07 02:12:31 C 04 23 05.724 +18 22 06.10 – V K74
2022-10-07 11:31:57 C 04 23 48.485 +18 27 35.35 – V T08
2022-10-07 11:35:56 C 04 23 48.775 +18 27 37.62 – V T08
2022-10-07 11:39:56 C 04 23 49.090 +18 27 39.35 – V T08
2022-10-07 11:47:54 C 04 23 49.661 +18 27 44.75 – V T08
2022-10-08 11:26:07 C 04 25 38.270 +18 41 45.10 – V T08
2022-10-08 11:29:26 C 04 25 38.508 +18 41 47.08 – V T08
2022-10-08 11:33:26 C 04 25 38.801 +18 41 49.52 – V T08
2022-10-08 11:43:25 C 04 25 39.542 +18 41 55.75 – V T08
2022-10-09 01:50:02 C 04 26 44.99 +18 50 25.2 – V C23
2022-10-09 01:54:12 C 04 26 45.31 +18 50 27.9 – V C23
2022-10-09 02:00:26 C 04 26 45.77 +18 50 31.7 – V C23
2022-10-09 07:05:49 C 04 27 10.192 +18 53 43.76 – V G96
2022-10-09 07:13:16 C 04 27 10.760 +18 53 48.44 – V G96
2022-10-09 07:20:44 C 04 27 11.322 +18 53 53.12 – V G96
2022-10-09 07:28:12 C 04 27 11.887 +18 53 57.95 – V G96
2022-10-09 07:46:30 C 04 27 13.198 +18 54 08.28 – V 703
2022-10-09 07:55:15 C 04 27 13.936 +18 54 15.34 – V 703
2022-10-09 08:04:00 C 04 27 14.602 +18 54 20.45 – V 703
2022-10-09 08:12:44 C 04 27 15.242 +18 54 25.99 – V 703
2022-10-12 00:37:30 C 04 32 26.700 +19 36 38.41 – X B72
2022-10-12 00:38:35 C 04 32 26.783 +19 36 39.20 – X B72
2022-10-12 00:39:39 C 04 32 26.875 +19 36 40.19 – X B72
2022-10-12 00:40:45 C 04 32 26.947 +19 36 40.82 – X B72
2022-10-12 00:41:50 C 04 32 27.037 +19 36 41.54 – X B72
2022-10-12 00:42:54 C 04 32 27.122 +19 36 42.32 – X B72
2022-10-12 00:43:59 C 04 32 27.211 +19 36 43.03 – X B72
2022-10-12 00:45:04 C 04 32 27.319 +19 36 43.87 – X B72
2022-10-12 00:46:09 C 04 32 27.398 +19 36 44.52 – X B72
2022-10-12 00:47:14 C 04 32 27.486 +19 36 45.34 – X B72
2022-10-12 00:48:19 C 04 32 27.567 +19 36 45.83 – X B72
2022-10-16 11:45:21 C 04 41 51.257 +20 58 17.47 – V T08
2022-10-16 11:49:25 C 04 41 51.617 +20 58 21.04 – V T08
2022-10-16 11:53:25 C 04 41 51.974 +20 58 24.31 – V T08
2022-10-16 12:04:49 C 04 41 52.970 +20 58 34.00 – V T08
2022-10-17 13:34:22 C 04 44 17.700 +21 20 27.53 – V T05
2022-10-17 13:43:33 C 04 44 18.540 +21 20 35.63 – V T05
2022-10-17 14:01:03 C 04 44 20.131 +21 20 50.89 – V T05
2022-10-18 11:03:10 C 04 46 23.790 +21 39 42.01 – V 703
2022-10-18 11:10:44 C 04 46 24.506 +21 39 48.96 – V 703
2022-10-18 11:18:18 C 04 46 25.208 +21 39 55.30 – V 703
2022-10-18 11:25:52 C 04 46 25.939 +21 40 02.75 – V 703
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)