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
2022-11-12 21:01:07 C 07 18 12.50 +41 44 22.4 M32
2022-11-12 21:01:21 C 07 18 12.67 +41 44 23.2 M32
2022-11-12 21:01:35 C 07 18 12.82 +41 44 24.0 M32
2022-11-12 21:01:48 C 07 18 12.94 +41 44 24.8 M32
2022-11-12 21:02:01 C 07 18 13.17 +41 44 26.2 M32
2022-11-12 21:02:15 C 07 18 13.30 +41 44 26.4 M32
2022-11-12 21:02:30 C 07 18 13.45 +41 44 27.5 M32
2022-11-12 21:02:44 C 07 18 13.59 +41 44 27.8 M32
2022-11-12 21:02:57 C 07 18 13.76 +41 44 28.7 M32
2022-11-12 21:03:10 C 07 18 13.91 +41 44 29.5 M32
2022-11-12 21:03:24 C 07 18 14.03 +41 44 30.1 M32
2022-11-12 21:03:38 C 07 18 14.16 +41 44 30.4 M32
2022-11-12 21:03:53 C 07 18 14.31 +41 44 31.1 M32
2022-11-12 21:04:07 C 07 18 14.53 +41 44 32.5 M32
2022-11-12 21:04:20 C 07 18 14.67 +41 44 32.9 M32
2022-11-13 19:09:18 C 07 33 53.075 +42 53 47.59 g K99
2022-11-13 19:10:22 C 07 33 53.857 +42 53 50.55 g K99
2022-11-13 19:11:28 C 07 33 54.691 +42 53 54.34 g K99
2022-11-13 19:12:33 C 07 33 55.514 +42 53 57.65 g K99
2022-11-13 19:13:39 C 07 33 56.327 +42 54 01.28 g K99
2022-11-13 19:14:45 C 07 33 57.144 +42 54 04.82 g K99
2022-11-13 19:15:51 C 07 33 58.018 +42 54 08.17 g K99
2022-11-13 19:16:56 C 07 33 58.831 +42 54 11.50 g K99
2022-11-13 19:18:02 C 07 33 59.651 +42 54 15.02 g K99
2022-11-13 19:19:08 C 07 34 00.436 +42 54 18.81 g K99
2022-11-13 19:21:12 C 07 34 01.995 +42 54 24.97 g K99
2022-11-13 19:22:42 C 07 34 03.149 +42 54 29.81 g K99
2022-11-13 19:24:13 C 07 34 04.288 +42 54 34.46 g K99
2022-11-13 19:25:42 C 07 34 05.379 +42 54 39.24 g K99
2022-11-13 19:27:12 C 07 34 06.531 +42 54 43.94 g K99
2022-11-13 19:28:43 C 07 34 07.672 +42 54 48.83 g K99
2022-11-13 19:30:13 C 07 34 08.792 +42 54 53.46 g K99
2022-11-13 19:31:44 C 07 34 09.918 +42 54 57.98 g K99
2022-11-13 19:33:13 C 07 34 11.064 +42 55 03.10 g K99
2022-11-13 19:34:43 C 07 34 12.169 +42 55 07.63 g K99
2022-11-13 20:34:36 C 07 34 57.18 +42 58 17.9 M32
2022-11-13 20:34:48 C 07 34 57.41 +42 58 18.7 M32
2022-11-13 20:35:01 C 07 34 57.53 +42 58 19.4 M32
2022-11-13 20:35:14 C 07 34 57.71 +42 58 19.8 M32
2022-11-13 20:35:27 C 07 34 57.85 +42 58 20.9 M32
2022-11-13 20:35:40 C 07 34 58.01 +42 58 21.3 M32
2022-11-13 20:35:53 C 07 34 58.17 +42 58 21.7 M32
2022-11-13 20:36:05 C 07 34 58.34 +42 58 22.9 M32
2022-11-13 20:36:18 C 07 34 58.54 +42 58 23.2 M32
2022-11-13 20:36:31 C 07 34 58.68 +42 58 23.9 M32
2022-11-13 20:36:44 C 07 34 58.87 +42 58 24.9 M32
2022-11-13 20:36:57 C 07 34 58.97 +42 58 25.3 M32
2022-11-13 20:37:10 C 07 34 59.17 +42 58 26.3 M32
2022-11-13 20:37:22 C 07 34 59.29 +42 58 26.8 M32
2022-11-13 20:37:35 C 07 34 59.46 +42 58 27.4 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)