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
2022-09-18 13:14:31 C 03 52 45.130 +15 04 30.00 V T08
2022-09-18 14:05:32 C 03 52 48.286 +15 04 48.86 V T08
2022-09-19 09:47:59 C 03 54 04.180 +15 11 52.51 V 703
2022-09-19 09:55:33 C 03 54 04.669 +15 11 54.89 V 703
2022-09-19 10:03:07 C 03 54 05.159 +15 11 58.16 V 703
2022-09-19 10:10:41 C 03 54 05.609 +15 12 00.58 V 703
2022-09-20 13:50:43 C 03 55 52.344 +15 22 10.85 V T05
2022-09-20 13:55:17 C 03 55 52.615 +15 22 12.36 V T05
2022-09-20 14:24:25 C 03 55 54.410 +15 22 23.41 V T05
2022-09-20 14:39:43 C 03 55 55.363 +15 22 29.17 V T05
2022-09-20 15:20:49 C 03 55 57.931 +15 22 44.62 V T05
2022-09-21 02:35:13 C 03 56 41.76 +15 26 51.7 X K19
2022-09-21 02:41:34 C 03 56 42.17 +15 26 54.1 X K19
2022-09-21 02:47:54 C 03 56 42.55 +15 26 56.6 X K19
2022-09-21 12:02:13 C 03 57 18.718 +15 30 27.98 U F52
2022-09-21 12:17:58 C 03 57 19.704 +15 30 33.98 U F52
2022-09-21 12:33:46 C 03 57 20.689 +15 30 39.97 U F52
2022-09-22 13:31:36 C 03 58 57.869 +15 40 10.56 V T05
2022-09-22 13:34:13 C 03 58 58.044 +15 40 11.68 V T05
2022-09-22 13:38:46 C 03 58 58.339 +15 40 13.55 V T05
2022-09-22 13:48:11 C 03 58 58.910 +15 40 17.11 V T05
2022-09-23 13:45:39 C 04 00 32.818 +15 49 36.01 V T05
2022-09-23 13:48:16 C 04 00 33.019 +15 49 36.88 V T05
2022-09-23 14:48:41 C 04 00 36.780 +15 50 00.71 V T05
2022-09-23 15:02:42 C 04 00 37.673 +15 50 06.58 V T05
2022-09-25 12:33:05 C 04 03 38.165 +16 08 22.81 V T08
2022-09-25 12:37:09 C 04 03 38.410 +16 08 24.68 V T08
2022-09-25 12:45:12 C 04 03 38.923 +16 08 28.18 V T08
2022-09-25 12:52:34 C 04 03 39.355 +16 08 30.88 V T08
2022-09-26 12:19:56 C 04 05 13.182 +16 18 14.90 U F52
2022-09-26 12:38:12 C 04 05 14.350 +16 18 22.67 U F52
2022-09-26 12:56:33 C 04 05 15.523 +16 18 30.46 U F52
2022-09-27 11:10:50 C 04 06 44.780 +16 27 55.15 V 703
2022-09-27 11:18:24 C 04 06 45.263 +16 27 58.46 V 703
2022-09-27 11:25:58 C 04 06 45.734 +16 28 01.74 V 703
2022-09-27 11:33:34 C 04 06 46.213 +16 28 05.02 V 703
2022-09-28 12:49:19 C 04 08 28.968 +16 39 07.99 V T05
2022-09-28 12:54:33 C 04 08 29.326 +16 39 10.48 V T05
2022-09-28 12:57:01 C 04 08 29.494 +16 39 11.05 V T08
2022-09-28 13:15:55 C 04 08 30.751 +16 39 20.12 V T08
2022-09-28 13:18:15 C 04 08 30.874 +16 39 20.38 V T05
2022-09-28 13:20:35 C 04 08 31.001 +16 39 21.64 V T08
2022-09-28 13:28:33 C 04 08 31.500 +16 39 25.27 V T08
2022-09-28 13:47:00 C 04 08 32.746 +16 39 33.52 V T05
2022-09-28 23:52:20 C 04 09 14.28 +16 43 56.1 V C23
2022-09-28 23:56:29 C 04 09 14.53 +16 43 58.1 V C23
2022-09-29 00:02:43 C 04 09 14.95 +16 44 00.9 V C23
2022-09-29 06:54:02 C 04 09 42.914 +16 47 21.55 V W68
2022-09-29 06:58:35 C 04 09 43.205 +16 47 23.06 V W68
2022-09-29 07:06:22 C 04 09 43.694 +16 47 26.23 V W68
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)