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
2006-10-02 00:24:02 C 04 39 37.76 +18 57 59.4 o 493
2006-10-02 00:55:59 C 04 39 41.02 +18 58 18.2 o 493
2006-10-15 22:07:41 C 05 21 04.26 +22 50 04.6 r 240
2006-10-15 22:10:31 C 05 21 04.68 +22 50 07.1 r 240
2006-10-15 22:11:54 C 05 21 04.91 +22 50 08.4 r 240
2006-10-15 22:13:19 C 05 21 05.12 +22 50 09.7 r 240
2006-10-15 22:14:45 C 05 21 05.33 +22 50 11.0 r 240
2006-10-15 22:16:09 C 05 21 05.55 +22 50 12.1 r 240
2006-10-15 22:17:33 C 05 21 05.77 +22 50 13.4 r 240
2006-10-15 22:18:59 C 05 21 05.99 +22 50 14.8 r 240
2006-10-18 08:54:26 C 05 30 39.77 +23 43 45.9 17.0 c 704
2006-10-18 09:11:08 C 05 30 42.72 +23 44 00.3 18.5 c 704
2006-10-18 09:27:43 C 05 30 45.33 +23 44 17.6 17.1 c 704
2006-10-18 10:01:02 C 05 30 50.95 +23 44 50.5 17.0 c 704
2006-10-18 23:29:30 C 05 33 12.05 +23 57 39.7 16.2 r 084
2006-10-21 08:50:06 C 05 43 55.06 +24 56 02.8 16.1 c 704
2006-10-21 09:07:13 C 05 43 58.39 +24 56 20.9 16.5 c 704
2006-10-21 09:24:30 C 05 44 01.71 +24 56 39.6 16.5 c 704
2006-10-21 09:41:40 C 05 44 05.04 +24 56 58.4 16.6 c 704
2006-10-21 09:59:15 C 05 44 08.41 +24 57 17.0 16.4 c 704
2006-10-23 08:45:56 C 05 53 53.43 +25 48 37.8 15.4 c 704
2006-10-23 09:05:46 C 05 53 57.68 +25 49 00.6 16.0 c 704
2006-10-23 09:23:30 C 05 54 01.55 +25 49 21.2 17.0 c 704
2006-10-23 09:40:26 C 05 54 05.05 +25 49 40.6 15.9 c 704
2006-10-23 09:57:19 C 05 54 08.71 +25 49 59.8 15.9 c 704
2006-10-29 08:55:50 C 06 31 29.49 +28 47 35.1 14.8 c 704
2006-10-29 09:13:39 C 06 31 34.87 +28 47 59.0 15.1 c 704
2006-10-29 09:30:43 C 06 31 40.11 +28 48 22.9 15.2 c 704
2006-10-29 09:47:43 C 06 31 45.29 +28 48 46.3 15.1 c 704
2006-11-09 03:36:19 C 08 27 10.51 +33 50 47.7 14.4 r 084
2006-11-09 03:37:48 C 08 27 11.43 +33 50 48.5 14.3 r 084
2006-11-15 10:53:28 C 10 09 19.39 +32 49 39.1 14.0 c 704
2006-11-15 11:11:48 C 10 09 32.24 +32 49 11.5 14.4 c 704
2006-11-15 11:30:08 C 10 09 45.04 +32 48 44.7 14.2 c 704
2006-11-15 11:48:58 C 10 09 58.17 +32 48 16.6 14.2 c 704
2007-03-27 17:31:30 C 19 45 58.89 -26 47 31.4 r E12
2007-03-27 17:43:08 C 19 45 59.68 -26 47 33.6 r E12
2007-03-27 17:54:43 C 19 46 00.48 -26 47 35.9 r E12
2007-03-27 18:06:45 C 19 46 01.30 -26 47 37.8 r E12
2007-04-20 18:30:55 C 20 16 32.41 -28 48 39.3 r E12
2007-04-20 18:46:50 C 20 16 32.95 -28 48 43.6 r E12
2007-04-20 19:02:41 C 20 16 33.49 -28 48 48.4 r E12
2007-06-17 17:40:57 C 19 43 22.08 -38 19 15.5 r E12
2007-06-17 17:52:59 C 19 43 21.00 -38 19 19.5 r E12
2007-06-17 18:05:03 C 19 43 19.95 -38 19 24.1 r E12
2007-06-17 18:17:04 C 19 43 18.98 -38 19 28.8 r E12
2007-06-17 18:29:03 C 19 43 17.94 -38 19 32.7 r E12
2008-08-06 14:13:50 C 23 24 19.04 -19 15 25.0 r E12
2008-08-06 14:28:45 C 23 24 18.50 -19 15 31.2 r E12
2008-08-06 14:43:39 C 23 24 17.96 -19 15 35.1 r E12
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)