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
2022-09-29 07:31:05 C 04 09 45.329 +16 47 38.22 V W68
2022-09-29 11:35:05 C 04 10 02.323 +16 49 18.30 V T08
2022-09-29 11:39:44 C 04 10 02.616 +16 49 20.57 V T08
2022-09-29 11:43:44 C 04 10 02.851 +16 49 22.44 V T08
2022-09-29 12:21:39 C 04 10 05.357 +16 49 39.97 V T08
2022-09-30 01:28:43 C 04 10 59.35 +16 55 33.3 V C23
2022-09-30 01:37:02 C 04 10 59.89 +16 55 37.4 V C23
2022-09-30 01:47:26 C 04 11 00.59 +16 55 42.4 V C23
2022-09-30 12:28:03 C 04 11 44.906 +17 00 45.47 V T08
2022-09-30 12:31:31 C 04 11 45.127 +17 00 46.80 V T08
2022-09-30 12:35:30 C 04 11 45.403 +17 00 48.42 V T08
2022-09-30 12:36:10 C 04 11 45.418 +17 00 48.89 V T08
2022-09-30 12:38:49 C 04 11 45.612 +17 00 50.11 V T08
2022-09-30 12:44:09 C 04 11 45.941 +17 00 52.78 V T08
2022-09-30 12:45:29 C 04 11 46.027 +17 00 53.17 V T08
2022-09-30 12:56:49 C 04 11 46.757 +17 00 58.86 V T08
2022-10-01 12:05:10 C 04 13 23.465 +17 11 54.89 V T05
2022-10-01 12:08:25 C 04 13 23.686 +17 11 56.15 V T05
2022-10-01 12:29:00 C 04 13 25.044 +17 12 06.26 V T05
2022-10-01 12:36:57 C 04 13 25.603 +17 12 10.33 V T05
2022-10-02 12:37:10 C 04 15 06.802 +17 23 51.79 V T05
2022-10-02 12:42:41 C 04 15 07.183 +17 23 54.31 V T05
2022-10-02 12:46:51 C 04 15 07.474 +17 23 56.62 V T05
2022-10-02 12:51:24 C 04 15 07.759 +17 23 58.78 V T05
2022-10-02 12:59:28 C 04 15 08.311 +17 24 02.66 V T05
2022-10-02 13:15:14 C 04 15 09.350 +17 24 10.62 V T05
2022-10-03 10:42:45 C 04 16 40.807 +17 34 54.16 V 703
2022-10-03 10:49:46 C 04 16 41.272 +17 34 57.65 V 703
2022-10-03 10:56:48 C 04 16 41.765 +17 35 01.43 V 703
2022-10-03 11:03:48 C 04 16 42.244 +17 35 04.63 V 703
2022-10-03 12:00:15 C 04 16 46.680 +17 35 35.95 V T08
2022-10-03 12:02:54 C 04 16 46.867 +17 35 37.25 V T08
2022-10-03 12:07:17 C 04 16 47.160 +17 35 39.88 V T08
2022-10-03 12:14:38 C 04 16 47.659 +17 35 43.40 V T08
2022-10-04 13:04:44 C 04 18 34.822 +17 48 35.57 V T08
2022-10-04 13:07:24 C 04 18 35.021 +17 48 37.04 V T08
2022-10-04 13:11:23 C 04 18 35.282 +17 48 39.24 V T08
2022-10-04 17:03:02 C 04 18 52.500 +17 50 49.45 V P07
2022-10-04 18:07:31 C 04 18 57.029 +17 51 24.12 V P07
2022-10-04 19:13:46 C 04 19 01.589 +17 51 59.65 V P07
2022-10-04 20:11:41 C 04 19 05.568 +17 52 30.50 V P07
2022-10-04 21:05:58 C 04 19 09.341 +17 52 59.38 V P07
2022-10-05 01:48:09 C 04 19 30.374 +17 55 14.95 V K74
2022-10-05 01:52:36 C 04 19 30.679 +17 55 16.97 V K74
2022-10-05 01:56:30 C 04 19 30.960 +17 55 19.31 V K74
2022-10-05 14:37:00 C 04 20 26.446 +18 02 16.84 V T05
2022-10-05 14:41:57 C 04 20 26.796 +18 02 19.46 V T05
2022-10-05 14:52:35 C 04 20 27.545 +18 02 25.19 V T05
2022-10-05 15:23:52 C 04 20 29.736 +18 02 42.36 V T05
2022-10-06 00:01:30 C 04 21 08.73 +18 07 19.3 V C23
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)