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
2022-11-13 20:39:05 C 07 35 00.62 +42 58 32.2 M32
2022-11-13 20:39:18 C 07 35 00.76 +42 58 32.7 M32
2022-11-13 20:39:31 C 07 35 00.94 +42 58 33.5 M32
2022-11-13 20:39:44 C 07 35 01.08 +42 58 34.2 M32
2022-11-13 20:39:57 C 07 35 01.28 +42 58 35.0 M32
2022-11-13 20:40:09 C 07 35 01.41 +42 58 35.3 M32
2022-11-13 20:40:22 C 07 35 01.55 +42 58 35.9 M32
2022-11-13 20:40:35 C 07 35 01.74 +42 58 37.0 M32
2022-11-13 20:40:48 C 07 35 01.89 +42 58 37.6 M32
2022-11-13 20:43:16 C 07 35 03.73 +42 58 45.3 M32
2022-11-13 20:43:29 C 07 35 03.88 +42 58 46.0 M32
2022-11-13 20:43:41 C 07 35 04.07 +42 58 46.6 M32
2022-11-13 20:43:54 C 07 35 04.22 +42 58 47.4 M32
2022-11-13 20:44:07 C 07 35 04.39 +42 58 47.9 M32
2022-11-13 20:44:20 C 07 35 04.57 +42 58 48.8 M32
2022-11-13 20:45:11 C 07 35 05.21 +42 58 51.7 M32
2022-11-13 20:45:24 C 07 35 05.36 +42 58 52.1 M32
2022-11-13 20:45:37 C 07 35 05.52 +42 58 52.9 M32
2022-11-13 20:45:50 C 07 35 05.67 +42 58 53.3 M32
2022-11-13 20:46:03 C 07 35 05.82 +42 58 54.3 M32
2022-11-13 20:46:16 C 07 35 06.00 +42 58 54.8 M32
2022-11-13 20:46:28 C 07 35 06.15 +42 58 55.4 M32
2022-11-13 20:46:41 C 07 35 06.31 +42 58 56.1 M32
2022-11-13 20:46:54 C 07 35 06.46 +42 58 56.9 M32
2022-11-13 20:47:07 C 07 35 06.64 +42 58 57.6 M32
2022-11-13 20:47:20 C 07 35 06.82 +42 58 58.2 M32
2022-11-13 20:47:33 C 07 35 06.95 +42 58 59.1 M32
2022-11-13 20:47:45 C 07 35 07.14 +42 58 59.7 M32
2022-11-13 20:47:58 C 07 35 07.25 +42 59 00.0 M32
2022-11-13 20:48:11 C 07 35 07.44 +42 59 01.0 M32
2022-11-13 20:48:24 C 07 35 07.61 +42 59 01.7 M32
2022-11-13 20:48:37 C 07 35 07.78 +42 59 02.2 M32
2022-11-13 20:48:50 C 07 35 07.94 +42 59 03.4 M32
2022-11-13 20:49:03 C 07 35 08.08 +42 59 03.7 M32
2022-11-13 20:49:15 C 07 35 08.24 +42 59 04.6 M32
2022-11-13 20:49:28 C 07 35 08.40 +42 59 05.2 M32
2022-11-13 20:50:43 C 07 35 09.13 +42 59 01.4 V K85
2022-11-13 20:56:10 C 07 35 13.24 +42 59 18.2 V C23
2022-11-13 21:01:22 C 07 35 17.17 +42 59 34.6 V C23
2022-11-13 21:06:33 C 07 35 21.08 +42 59 51.0 V C23
2022-11-13 21:25:41 C 07 35 35.55 +43 00 52.2 V G33
2022-11-13 21:27:24 C 07 35 36.84 +43 00 57.6 V G33
2022-11-13 21:29:03 C 07 35 38.08 +43 01 02.8 V G33
2022-11-13 21:30:44 C 07 35 39.41 +43 01 07.8 V K85
2022-11-13 21:30:45 C 07 35 39.38 +43 01 08.1 V G33
2022-11-13 21:32:26 C 07 35 40.61 +43 01 13.3 V G33
2022-11-13 21:34:07 C 07 35 41.90 +43 01 18.8 V G33
2022-11-13 22:37:17 C 07 36 29.717 +43 04 34.21 V Z80
2022-11-13 22:48:36 C 07 36 38.273 +43 05 09.89 V Z80
2022-11-13 23:00:31 C 07 36 47.328 +43 05 47.18 V Z80
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)