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
2022-11-06 19:23:53 C 06 07 58.91 +34 17 36.0 V M32
2022-11-06 19:24:16 C 06 07 58.98 +34 17 36.8 V M32
2022-11-06 19:24:37 C 06 07 59.14 +34 17 38.0 V M32
2022-11-06 19:25:00 C 06 07 59.27 +34 17 39.1 V M32
2022-11-06 19:25:20 C 06 07 59.37 +34 17 40.0 V M32
2022-11-06 19:25:43 C 06 07 59.48 +34 17 40.8 V M32
2022-11-06 19:26:04 C 06 07 59.62 +34 17 41.8 V M32
2022-11-06 19:26:26 C 06 07 59.77 +34 17 42.8 V M32
2022-11-07 05:55:24 C 06 11 38.540 +34 46 48.72 V 703
2022-11-07 06:01:52 C 06 11 40.852 +34 47 07.51 V 703
2022-11-07 06:08:19 C 06 11 43.062 +34 47 25.22 V 703
2022-11-07 06:14:46 C 06 11 45.344 +34 47 44.02 V 703
2022-11-07 11:49:08 C 06 13 44.568 +35 03 37.55 V T05
2022-11-07 11:51:46 C 06 13 45.487 +35 03 45.04 V T05
2022-11-07 11:56:19 C 06 13 47.098 +35 03 58.03 V T05
2022-11-07 12:04:08 C 06 13 49.853 +35 04 20.42 V T05
2022-11-08 10:52:31 C 06 22 35.573 +36 10 10.63 V T08
2022-11-08 10:55:10 C 06 22 36.619 +36 10 18.66 V T08
2022-11-08 11:15:55 C 06 22 44.765 +36 11 21.12 V T08
2022-11-08 19:54:50 C 06 26 19.01 +36 36 35.7 V M32
2022-11-08 19:55:47 C 06 26 19.51 +36 36 38.5 V M32
2022-11-08 19:56:05 C 06 26 19.56 +36 36 40.1 V M32
2022-11-08 19:56:24 C 06 26 19.78 +36 36 40.7 V M32
2022-11-08 19:57:39 C 06 26 20.27 +36 36 43.8 V M32
2022-11-08 19:57:58 C 06 26 20.36 +36 36 44.2 V M32
2022-11-08 19:58:17 C 06 26 20.47 +36 36 46.1 V M32
2022-11-08 22:21:45 C 06 27 20.952 +36 43 59.52 V Z80
2022-11-08 22:25:47 C 06 27 22.644 +36 44 11.76 V Z80
2022-11-08 22:29:54 C 06 27 24.406 +36 44 24.83 V Z80
2022-11-09 08:28:40 C 06 31 44.60 +37 14 53.1 V U55
2022-11-09 08:37:11 C 06 31 48.34 +37 15 19.5 V U55
2022-11-09 08:45:23 C 06 31 51.93 +37 15 45.0 V U55
2022-11-09 11:04:24 C 06 32 54.876 +37 23 12.48 V T08
2022-11-09 11:08:23 C 06 32 56.626 +37 23 25.12 V T08
2022-11-09 11:15:42 C 06 32 59.846 +37 23 48.08 V T08
2022-11-12 20:57:40 C 07 18 10.19 +41 44 11.0 M32
2022-11-12 20:57:53 C 07 18 10.38 +41 44 12.0 M32
2022-11-12 20:58:07 C 07 18 10.48 +41 44 12.6 M32
2022-11-12 20:58:20 C 07 18 10.65 +41 44 13.6 M32
2022-11-12 20:58:35 C 07 18 10.87 +41 44 14.5 M32
2022-11-12 20:58:49 C 07 18 10.99 +41 44 15.1 M32
2022-11-12 20:59:02 C 07 18 11.10 +41 44 15.7 M32
2022-11-12 20:59:16 C 07 18 11.26 +41 44 16.5 M32
2022-11-12 20:59:29 C 07 18 11.42 +41 44 17.2 M32
2022-11-12 20:59:43 C 07 18 11.57 +41 44 18.2 M32
2022-11-12 20:59:58 C 07 18 11.75 +41 44 18.4 M32
2022-11-12 21:00:12 C 07 18 11.86 +41 44 19.2 M32
2022-11-12 21:00:25 C 07 18 12.07 +41 44 20.4 M32
2022-11-12 21:00:38 C 07 18 12.19 +41 44 20.8 M32
2022-11-12 21:00:52 C 07 18 12.36 +41 44 21.7 M32
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)