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
2023-05-06 07:16:47 C 20 20 21.593 -31 08 35.92 V W68
2023-05-06 07:19:23 C 20 20 21.586 -31 08 36.38 V W68
2023-05-06 07:23:19 C 20 20 21.653 -31 08 38.54 V W68
2023-05-06 07:31:13 C 20 20 21.643 -31 08 40.92 V W68
2023-05-08 00:39:04 C 20 20 26.158 -31 25 28.27 V M22
2023-05-08 00:43:37 C 20 20 26.122 -31 25 30.07 V M22
2023-05-08 00:51:31 C 20 20 26.112 -31 25 34.14 V M22
2023-05-08 00:59:25 C 20 20 26.131 -31 25 36.48 V M22
2023-05-12 08:14:57 C 20 19 56.460 -32 09 54.79 V W68
2023-05-12 08:19:32 C 20 19 56.422 -32 09 56.95 V W68
2023-05-12 08:24:11 C 20 19 56.381 -32 09 59.36 V W68
2023-05-12 08:31:29 C 20 19 56.263 -32 10 02.24 V W68
2023-05-15 08:42:54 C 20 18 59.880 -32 42 43.09 V W68
2023-05-15 08:47:32 C 20 18 59.765 -32 42 45.04 V W68
2023-05-15 08:52:17 C 20 18 59.674 -32 42 47.34 V W68
2023-05-15 09:01:31 C 20 18 59.508 -32 42 51.62 V W68
2023-05-17 01:35:43 C 20 18 14.587 -33 01 46.02 V M22
2023-05-17 01:38:19 C 20 18 14.503 -33 01 47.46 V M22
2023-05-17 01:42:16 C 20 18 14.434 -33 01 49.26 V M22
2023-05-17 01:58:19 C 20 18 14.100 -33 01 57.07 V M22
2023-05-18 07:21:17 C 20 17 35.362 -33 15 52.67 V W68
2023-05-18 07:25:14 C 20 17 35.266 -33 15 54.68 V W68
2023-05-18 07:33:02 C 20 17 35.033 -33 15 58.64 V W68
2023-05-18 07:40:22 C 20 17 34.853 -33 16 02.10 V W68
2023-05-20 01:21:24 C 20 16 30.850 -33 36 05.51 V M22
2023-05-20 01:25:47 C 20 16 30.713 -33 36 07.74 V M22
2023-05-20 01:30:10 C 20 16 30.576 -33 36 09.94 V M22
2023-05-20 01:38:23 C 20 16 30.350 -33 36 13.82 V M22
2023-05-21 07:19:05 C 20 15 38.352 -33 50 42.32 V W68
2023-05-21 07:23:41 C 20 15 38.206 -33 50 44.63 V W68
2023-05-21 07:27:40 C 20 15 38.076 -33 50 46.28 V W68
2023-05-21 07:35:28 C 20 15 37.798 -33 50 50.57 V W68
2023-05-29 01:09:04 C 20 08 10.658 -35 23 28.79 V M22
2023-05-29 01:11:04 C 20 08 10.546 -35 23 29.69 V M22
2023-05-29 01:17:48 C 20 08 10.207 -35 23 33.29 V M22
2023-05-29 01:26:18 C 20 08 09.768 -35 23 37.25 V M22
2023-06-12 04:19:42 C 19 45 59.054 -38 05 00.35 V W68
2023-06-12 04:23:44 C 19 45 58.723 -38 05 02.15 V W68
2023-06-12 04:31:16 C 19 45 58.126 -38 05 05.35 V W68
2023-06-12 05:22:25 C 19 45 53.914 -38 05 27.96 V W68
2023-06-14 05:39:36 C 19 41 57.451 -38 25 27.59 V W68
2023-06-14 05:42:20 C 19 41 57.180 -38 25 28.81 V W68
2023-06-14 05:46:31 C 19 41 56.827 -38 25 30.40 V W68
2023-06-14 05:54:28 C 19 41 56.160 -38 25 33.78 V W68
2023-06-21 10:42:41 C 19 26 45.174 -39 26 45.14 X F51
2023-06-21 10:55:42 C 19 26 43.947 -39 26 49.09 X F51
2023-06-21 11:08:41 C 19 26 42.724 -39 26 53.03 X F51
2023-06-22 22:02:31 C 19 23 30.295 -39 36 49.79 V M22
2023-06-22 22:04:30 C 19 23 30.110 -39 36 50.54 V M22
2023-06-22 22:08:44 C 19 23 29.705 -39 36 51.62 V M22
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)