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
2022-11-18 13:00:16 C 09 22 44.623 +46 45 38.88 V T08
2022-11-18 13:15:34 C 09 23 01.810 +46 45 45.43 V T08
2022-11-18 20:26:42 C 09 31 16.14 +46 45 48.8 c M31
2022-11-18 20:33:13 C 09 31 23.74 +46 45 49.4 c M31
2022-11-18 20:36:43 C 09 31 27.77 +46 45 49.7 c M31
2022-11-20 09:54:59 C 10 15 19.854 +46 14 46.54 V 703
2022-11-20 10:02:18 C 10 15 28.415 +46 14 34.76 V 703
2022-11-20 10:09:37 C 10 15 36.976 +46 14 23.28 V 703
2022-11-20 10:16:56 C 10 15 45.515 +46 14 11.65 V 703
2022-11-22 06:54:55 S 11 07 08.575 +44 12 23.69 L C51
2022-11-22 06:55:06 S 11 07 08.801 +44 12 23.80 L C51
2022-11-22 08:28:47 S 11 08 52.421 +44 06 36.00 L C51
2022-11-22 14:42:01 C 11 15 45.838 +43 42 42.62 V T08
2022-11-22 14:46:42 C 11 15 50.827 +43 42 24.59 V T08
2022-11-22 15:19:55 C 11 16 26.218 +43 40 15.85 V T08
2022-11-22 15:42:26 C 11 16 50.158 +43 38 47.80 V T08
2022-11-26 01:00:12 C 12 33 00.91 +36 46 47.5 V C23
2022-11-26 01:03:06 C 12 33 03.19 +36 46 31.2 V C23
2022-11-26 01:06:34 C 12 33 05.91 +36 46 12.0 V C23
2022-11-26 11:01:56 C 12 40 42.272 +35 49 43.75 V 703
2022-11-26 11:09:10 C 12 40 47.633 +35 49 02.93 V 703
2022-11-26 11:16:23 C 12 40 52.939 +35 48 22.21 V 703
2022-11-26 11:23:36 C 12 40 58.310 +35 47 41.35 V 703
2022-11-26 13:35:47 C 12 42 37.078 +35 35 04.20 V T08
2022-11-26 13:39:47 C 12 42 40.013 +35 34 41.77 V T08
2022-11-26 13:59:08 C 12 42 54.190 +35 32 52.62 V T08
2022-11-26 14:13:09 C 12 43 04.409 +35 31 33.60 V T08
2022-11-29 11:50:10 C 13 26 27.643 +28 54 57.17 V 703
2022-11-29 11:57:23 C 13 26 31.384 +28 54 17.96 V 703
2022-11-29 12:04:35 C 13 26 35.023 +28 53 39.23 V 703
2022-11-29 12:11:48 C 13 26 38.796 +28 53 00.28 V 703
2023-03-15 03:04:33 C 19 19 10.774 -25 35 31.52 V M22
2023-03-15 03:18:09 C 19 19 11.878 -25 35 34.76 V M22
2023-03-15 03:22:42 C 19 19 12.283 -25 35 35.74 V M22
2023-03-15 03:33:50 C 19 19 13.219 -25 35 38.04 V M22
2023-03-31 02:29:10 C 19 48 28.702 -26 56 41.42 V M22
2023-03-31 02:54:43 C 19 48 30.456 -26 56 47.98 V M22
2023-03-31 02:59:20 C 19 48 30.600 -26 56 47.62 V M22
2023-03-31 03:14:55 C 19 48 31.764 -26 56 52.15 V M22
2023-03-31 03:50:22 C 19 48 33.979 -26 56 59.32 V M22
2023-04-03 08:33:18 C 19 53 24.706 -27 13 32.02 V W68
2023-04-03 08:37:56 C 19 53 24.977 -27 13 32.95 V W68
2023-04-03 08:45:20 C 19 53 25.430 -27 13 34.72 V W68
2023-04-03 08:57:06 C 19 53 26.114 -27 13 37.27 V W68
2023-04-05 02:00:33 C 19 55 52.927 -27 22 42.67 V M22
2023-04-05 02:04:43 C 19 55 53.184 -27 22 43.07 V M22
2023-04-05 02:35:24 C 19 55 54.943 -27 22 50.48 V M22
2023-04-05 02:43:33 C 19 55 55.406 -27 22 52.57 V M22
2023-04-09 08:26:41 C 20 01 32.208 -27 46 19.31 V W68
2023-04-09 08:46:14 C 20 01 33.182 -27 46 24.35 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)