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
2014-08-31 14:06:32 C 03 33 06.643 +13 22 24.39 L F51
2014-09-01 11:12:10 C 03 34 32.65 +13 29 08.9 q 703
2014-09-01 11:17:57 C 03 34 33.02 +13 29 10.8 q 703
2014-09-01 11:23:46 C 03 34 33.42 +13 29 12.2 q 703
2014-09-01 11:29:34 C 03 34 33.84 +13 29 14.2 q 703
2014-09-24 02:54:49 C 04 14 15.47 +16 47 58.9 c A24
2014-09-24 02:55:52 C 04 14 15.50 +16 47 59.2 c A24
2014-09-24 03:54:25 C 04 14 20.11 +16 48 24.6 c A24
2014-09-24 03:55:28 C 04 14 20.20 +16 48 25.2 c A24
2014-09-27 09:31:20 C 04 20 43.67 +17 23 43.1 R G45
2014-09-27 09:33:31 C 04 20 43.86 +17 23 44.3 R G45
2014-09-27 10:21:04 C 04 20 47.72 +17 24 06.8 R G45
2014-09-27 11:00:01 C 04 20 50.89 +17 24 26.0 R G45
2014-09-27 11:52:54 C 04 20 55.16 +17 24 50.4 R G45
2014-09-28 01:41:37 C 04 22 05.69 +17 31 23.6 q 160
2014-09-28 01:44:23 C 04 22 05.91 +17 31 25.2 q 160
2014-09-28 01:47:11 C 04 22 06.14 +17 31 26.0 q 160
2014-10-02 21:18:53 C 04 32 19.78 +18 30 42.3 18.0 v N42
2014-10-02 21:28:08 C 04 32 20.61 +18 30 47.1 17.4 v N42
2014-10-02 21:37:22 C 04 32 21.45 +18 30 52.4 17.9 v N42
2014-10-02 21:46:37 C 04 32 22.28 +18 30 57.4 17.8 v N42
2014-10-02 21:55:52 C 04 32 23.10 +18 31 02.6 18.0 v N42
2014-10-03 02:00:52 C 04 32 45.82 +18 33 16.6 u 118
2014-10-03 02:07:40 C 04 32 46.43 +18 33 20.2 u 118
2014-10-03 02:29:37 C 04 32 48.42 +18 33 32.5 u 118
2014-10-03 02:53:16 C 04 32 50.55 +18 33 45.6 u 118
2014-10-03 11:06:52 C 04 33 36.62 +18 38 22.8 q G96
2014-10-03 11:22:39 C 04 33 38.00 +18 38 31.6 q G96
2014-10-03 11:38:26 C 04 33 39.42 +18 38 40.4 q G96
2014-10-03 11:54:13 C 04 33 40.85 +18 38 49.2 q G96
2014-10-04 01:11:21 C 04 34 56.38 +18 46 15.8 q 160
2014-10-04 01:13:48 C 04 34 56.59 +18 46 16.7 q 160
2014-10-04 01:16:26 C 04 34 56.84 +18 46 18.5 q 160
2014-10-05 01:23:57 C 04 37 15.48 +19 00 14.5 q 160
2014-10-05 01:26:12 C 04 37 15.60 +19 00 15.8 q 160
2014-10-05 01:28:20 C 04 37 15.80 +19 00 17.3 q 160
2014-10-05 22:29:34 C 04 39 19.48 +19 12 44.7 u 118
2014-10-05 22:46:27 C 04 39 21.14 +19 12 55.4 u 118
2014-10-08 07:46:32 C 04 45 08.72 +19 48 44.7 u H21
2014-10-08 07:54:18 C 04 45 09.52 +19 48 49.8 u H21
2014-10-08 08:02:04 C 04 45 10.31 +19 48 54.9 u H21
2014-10-12 07:39:06 C 04 55 46.79 +20 56 01.4 q H21
2014-10-12 07:42:01 C 04 55 47.10 +20 56 03.8 q H21
2014-10-12 07:45:16 C 04 55 47.50 +20 56 06.3 q H21
2014-10-15 11:53:38 C 05 05 14.21 +21 57 14.8 q G96
2014-10-15 12:10:59 C 05 05 16.40 +21 57 29.6 q G96
2014-10-15 12:19:39 C 05 05 17.48 +21 57 36.8 q G96
2014-10-16 11:00:00 C 05 08 19.80 +22 17 21.5 q 703
2014-10-16 11:07:13 C 05 08 20.75 +22 17 27.7 q 703
2014-10-16 11:14:25 C 05 08 21.69 +22 17 34.3 q 703
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)