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
2022-11-14 20:32:21 C 07 54 01.829 +44 08 48.10 g K99
2022-11-14 20:33:27 C 07 54 02.734 +44 08 50.75 g K99
2022-11-14 20:34:32 C 07 54 03.685 +44 08 54.20 g K99
2022-11-14 20:35:38 C 07 54 04.642 +44 08 57.76 g K99
2022-11-14 20:36:44 C 07 54 05.524 +44 09 00.59 g K99
2022-11-14 20:37:49 C 07 54 06.441 +44 09 03.60 g K99
2022-11-14 20:38:55 C 07 54 07.367 +44 09 06.98 g K99
2022-11-14 20:39:59 C 07 54 08.278 +44 09 10.21 g K99
2022-11-14 20:41:05 C 07 54 09.204 +44 09 13.20 g K99
2022-11-14 20:42:12 C 07 54 10.145 +44 09 16.43 g K99
2022-11-14 20:43:18 C 07 54 11.058 +44 09 19.58 g K99
2022-11-15 02:03:44 C 07 58 40.927 +44 24 30.29 V 089
2022-11-15 02:06:36 C 07 58 43.363 +44 24 37.81 V 089
2022-11-15 02:09:30 C 07 58 45.794 +44 24 45.90 V 089
2022-11-15 02:12:23 C 07 58 48.238 +44 24 53.82 V 089
2022-11-15 02:15:17 C 07 58 50.741 +44 25 01.67 V 089
2022-11-15 02:18:11 C 07 58 53.167 +44 25 09.30 V 089
2022-11-15 20:15:57 C 08 15 05.09 +45 10 42.4 q M40
2022-11-15 20:16:29 C 08 15 05.52 +45 10 44.5 q M40
2022-11-15 20:17:03 C 08 15 06.08 +45 10 45.7 q M40
2022-11-15 20:18:06 C 08 15 07.12 +45 10 47.7 q M40
2022-11-15 20:18:39 C 08 15 07.58 +45 10 49.6 q M40
2022-11-15 20:19:13 C 08 15 08.09 +45 10 51.0 q M40
2022-11-15 20:19:45 C 08 15 08.65 +45 10 52.1 q M40
2022-11-15 20:20:19 C 08 15 09.13 +45 10 54.0 q M40
2022-11-15 20:20:52 C 08 15 09.68 +45 10 55.1 q M40
2022-11-15 20:21:26 C 08 15 10.19 +45 10 56.6 q M40
2022-11-16 13:52:48 C 08 32 02.501 +45 49 42.64 V T05
2022-11-16 13:56:04 C 08 32 05.690 +45 49 49.19 V T05
2022-11-16 14:01:18 C 08 32 10.798 +45 49 59.59 V T05
2022-11-16 14:14:35 C 08 32 23.803 +45 50 26.16 V T05
2022-11-16 22:09:09 C 08 40 26.818 +46 03 54.68 V Z80
2022-11-16 22:10:56 C 08 40 28.673 +46 03 58.03 V Z80
2022-11-16 22:12:43 C 08 40 30.504 +46 04 01.38 V Z80
2022-11-16 22:31:35 C 08 40 50.87 +46 05 05.7 q M40
2022-11-16 22:32:42 C 08 40 52.02 +46 05 07.3 q M40
2022-11-16 22:33:49 C 08 40 53.13 +46 05 09.5 q M40
2022-11-16 22:34:57 C 08 40 54.33 +46 05 11.4 q M40
2022-11-16 22:36:04 C 08 40 55.47 +46 05 13.7 q M40
2022-11-16 22:37:28 C 08 40 56.89 +46 05 16.4 q M40
2022-11-16 22:38:35 C 08 40 58.01 +46 05 18.1 q M40
2022-11-16 22:39:42 C 08 40 59.17 +46 05 20.3 q M40
2022-11-16 22:40:48 C 08 41 00.32 +46 05 22.1 q M40
2022-11-16 22:41:56 C 08 41 01.46 +46 05 24.2 q M40
2022-11-17 08:46:34 C 08 51 34.002 +46 20 57.34 V 703
2022-11-17 08:53:53 C 08 51 41.663 +46 21 08.24 V 703
2022-11-17 09:01:11 C 08 51 49.345 +46 21 19.22 V 703
2022-11-17 09:08:30 C 08 51 57.049 +46 21 30.02 V 703
2022-11-18 12:53:37 C 09 22 37.145 +46 45 36.00 V T08
2022-11-18 12:56:17 C 09 22 40.140 +46 45 37.08 V T08
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)