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
2004-07-21 08:45:09 C 13 01 08.62 -12 58 14.6 r E12
2004-07-21 08:55:58 C 13 01 10.24 -12 58 27.9 r E12
2006-09-08 01:34:08 C 03 50 33.90 +14 49 11.9 c 585
2006-09-08 01:37:48 C 03 50 34.30 +14 49 13.0 c 585
2006-09-08 01:45:06 C 03 50 34.75 +14 49 15.4 c 585
2006-09-08 01:53:10 C 03 50 35.26 +14 49 17.4 c 585
2006-09-08 02:00:27 C 03 50 35.80 +14 49 21.3 c 585
2006-09-08 02:04:05 C 03 50 36.22 +14 49 23.6 c 585
2006-09-08 02:07:45 C 03 50 36.44 +14 49 24.0 c 585
2006-09-16 10:33:18 C 04 06 08.56 +16 04 24.9 r 703
2006-09-16 10:42:35 C 04 06 09.32 +16 04 29.4 r 703
2006-09-16 10:51:54 C 04 06 10.04 +16 04 32.7 r 703
2006-09-19 08:29:39 C 04 11 52.13 +16 32 49.2 18.9 c 704
2006-09-19 08:47:13 C 04 11 53.55 +16 32 57.0 19.6 c 704
2006-09-19 09:04:33 C 04 11 54.98 +16 33 03.5 19.3 c 704
2006-09-19 09:21:39 C 04 11 56.37 +16 33 10.6 19.5 c 704
2006-09-19 09:38:51 C 04 11 57.77 +16 33 17.4 19.1 c 704
2006-09-19 09:47:27 C 04 11 58.51 +16 33 21.0 o 699
2006-09-19 10:16:25 C 04 12 00.81 +16 33 32.7 o 699
2006-09-19 10:45:23 C 04 12 03.18 +16 33 45.1 o 699
2006-09-19 11:14:22 C 04 12 05.50 +16 33 57.4 o 699
2006-09-20 14:47:57 C 04 14 24.05 +16 45 38.1 o 608
2006-09-20 15:00:25 C 04 14 25.14 +16 45 43.9 o 608
2006-09-20 15:12:52 C 04 14 26.15 +16 45 47.0 o 608
2006-09-22 07:59:17 C 04 17 55.54 +17 03 25.1 18.3 c 704
2006-09-22 08:15:34 C 04 17 56.93 +17 03 32.1 18.4 c 704
2006-09-22 08:31:52 C 04 17 58.30 +17 03 39.7 18.3 c 704
2006-09-22 08:48:26 C 04 17 59.72 +17 03 46.8 18.9 c 704
2006-09-22 09:04:50 C 04 18 01.09 +17 03 53.5 18.6 c 704
2006-09-22 09:07:04 C 04 18 01.37 +17 03 55.2 18.2 c 704
2006-09-22 09:24:58 C 04 18 02.87 +17 04 03.8 18.6 c 704
2006-09-22 09:42:19 C 04 18 04.28 +17 04 11.2 18.4 c 704
2006-09-22 10:01:52 C 04 18 05.91 +17 04 19.8 18.3 c 704
2006-09-22 10:19:35 C 04 18 07.43 +17 04 27.8 18.3 c 704
2006-09-24 00:37:24 C 04 21 28.25 +17 21 34.3 17.1 r 084
2006-09-26 08:13:14 C 04 26 28.94 +17 47 42.1 18.1 c 704
2006-09-26 08:30:52 C 04 26 30.43 +17 47 48.9 18.1 c 704
2006-09-26 08:48:21 C 04 26 32.00 +17 47 57.7 18.2 c 704
2006-09-26 09:23:15 C 04 26 35.11 +17 48 14.9 18.6 c 704
2006-09-29 08:54:49 C 04 33 19.33 +18 23 56.9 17.9 c 704
2006-09-29 09:13:14 C 04 33 21.05 +18 24 06.4 17.7 c 704
2006-09-29 09:31:15 C 04 33 22.76 +18 24 16.0 18.0 c 704
2006-09-30 01:16:40 C 04 34 54.92 +18 32 29.0 o 493
2006-09-30 01:45:46 C 04 34 57.67 +18 32 44.3 o 493
2006-09-30 02:16:22 C 04 35 00.67 +18 33 01.1 o 493
2006-10-01 00:18:12 C 04 37 11.99 +18 44 47.0 o 493
2006-10-01 00:52:11 C 04 37 15.04 +18 45 05.1 o 493
2006-10-01 01:26:48 C 04 37 18.58 +18 45 24.9 o 493
2006-10-01 01:42:16 C 04 37 19.99 +18 45 32.6 o 493
2006-10-01 23:58:50 C 04 39 35.32 +18 57 46.0 o 493
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)