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
2003-11-22 02:19:24 C 23 04 36.94 -13 52 30.8 19.9 c 704
2003-11-22 02:37:45 C 23 04 36.86 -13 52 26.8 19.6 c 704
2003-11-22 02:55:59 C 23 04 36.81 -13 52 21.5 20.1 c 704
2003-12-21 01:47:18 C 23 16 19.34 -09 37 14.1 19.0 c 704
2003-12-21 02:06:01 C 23 16 19.82 -09 37 05.1 19.7 c 704
2003-12-21 02:24:11 C 23 16 20.42 -09 36 57.8 19.7 c 704
2003-12-21 03:00:26 C 23 16 21.53 -09 36 41.9 20.0 c 704
2004-03-10 17:35:19 01 34 57.64 +12 10 56.4 o 084
2004-04-01 18:25:24 02 45 41.69 +20 28 16.0 o 084
2004-06-05 21:50:04 C 09 04 21.58 +19 50 35.0 r J87
2004-06-05 21:52:10 C 09 04 22.16 +19 50 30.9 r J87
2004-06-05 21:54:17 C 09 04 22.76 +19 50 27.1 r J87
2004-06-13 03:38:13 C 09 51 43.87 +14 13 45.9 d 703
2004-06-13 03:46:14 C 09 51 46.01 +14 13 29.7 d 703
2004-06-13 03:54:13 C 09 51 48.07 +14 13 12.2 d 703
2004-06-13 04:02:15 C 09 51 50.24 +14 12 57.2 d 703
2004-06-14 03:58:52 C 09 58 06.72 +13 23 39.4 o 699
2004-06-14 04:10:32 C 09 58 09.79 +13 23 14.5 o 699
2004-06-14 04:22:12 C 09 58 12.82 +13 22 50.8 o 699
2004-06-14 04:33:53 C 09 58 15.84 +13 22 26.8 o 699
2004-06-14 21:20:56 C 10 02 37.41 +12 47 34.4 r A13
2004-06-14 21:22:52 C 10 02 37.93 +12 47 30.2 r A13
2004-06-14 21:24:46 C 10 02 38.41 +12 47 26.2 r A13
2004-06-14 21:26:38 C 10 02 38.84 +12 47 22.1 r A13
2004-06-14 21:28:31 C 10 02 39.46 +12 47 17.2 r A13
2004-06-16 03:45:55 C 10 10 25.94 +11 44 07.5 d 703
2004-06-16 03:56:34 C 10 10 28.69 +11 43 45.1 d 703
2004-06-16 04:07:15 C 10 10 31.39 +11 43 22.7 d 703
2004-06-16 04:18:00 C 10 10 34.11 +11 43 00.3 d 703
2004-06-17 06:03:40 C 10 17 05.55 +10 48 58.9 t 568
2004-06-17 06:05:41 C 10 17 06.07 +10 48 54.7 t 568
2004-06-17 06:07:41 C 10 17 06.56 +10 48 50.5 t 568
2004-06-17 06:09:41 C 10 17 07.05 +10 48 46.4 t 568
2004-06-17 20:54:07 C 10 20 48.83 +10 17 39.3 r A13
2004-06-17 20:55:46 C 10 20 49.20 +10 17 35.9 r A13
2004-06-17 20:56:19 C 10 20 49.33 +10 17 34.6 r A13
2004-06-17 20:58:31 C 10 20 49.86 +10 17 30.1 r A13
2004-06-17 21:00:35 C 10 20 50.40 +10 17 26.2 r A13
2004-06-17 21:01:08 C 10 20 50.56 +10 17 24.7 r A13
2004-06-17 21:02:45 C 10 20 50.97 +10 17 21.0 r A13
2004-06-22 21:14:20 C 10 49 54.88 +06 05 14.4 r A13
2004-06-22 21:17:35 C 10 49 55.71 +06 05 07.4 r A13
2004-06-22 21:20:25 C 10 49 56.35 +06 05 01.9 r A13
2004-06-22 21:23:13 C 10 49 57.05 +06 04 55.0 r A13
2004-06-22 21:25:20 C 10 49 57.50 +06 04 51.1 r A13
2004-07-20 09:00:19 C 12 57 23.99 -12 29 09.3 r E14
2004-07-20 09:10:04 C 12 57 25.50 -12 29 20.9 r E14
2004-07-20 09:19:50 C 12 57 26.99 -12 29 33.1 r E14
2004-07-21 08:23:34 C 13 01 05.33 -12 57 48.8 r E12
2004-07-21 08:34:22 C 13 01 06.96 -12 58 02.0 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)