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
2020-06-17 06:03:45 C 10 02 11.09 +13 04 26.7 V T08
2020-06-17 06:19:42 C 10 02 15.08 +13 03 54.4 V T08
2020-06-17 06:27:00 C 10 02 16.92 +13 03 40.0 V T08
2020-07-02 06:21:54 C 11 25 29.45 +01 06 05.9 V T08
2020-07-02 06:25:53 C 11 25 30.23 +01 05 57.4 V T08
2020-07-02 06:35:51 C 11 25 32.30 +01 05 38.9 V T08
2020-07-02 06:53:51 C 11 25 36.13 +01 05 04.7 V T08
2020-07-10 06:29:57 C 12 03 31.38 -04 34 19.2 V T08
2020-07-10 06:35:15 C 12 03 32.43 -04 34 27.8 V T08
2020-07-10 06:43:53 C 12 03 34.05 -04 34 41.2 V T08
2020-07-10 06:58:30 C 12 03 36.75 -04 35 06.1 V T08
2021-07-06 12:22:23 C 22 36 45.753 -24 06 41.53 U F51
2021-07-06 12:37:16 C 22 36 45.432 -24 06 45.75 U F51
2021-07-06 12:52:08 C 22 36 45.108 -24 06 50.05 U F51
2021-07-06 13:07:02 C 22 36 44.792 -24 06 54.28 U F51
2021-08-16 11:00:22 C 21 57 06.924 -29 00 34.71 U F51
2021-08-16 11:14:21 C 21 57 06.158 -29 00 38.03 U F51
2021-08-16 11:28:19 C 21 57 05.393 -29 00 41.25 U F51
2021-08-16 11:42:19 C 21 57 04.634 -29 00 44.46 U F51
2021-08-31 08:01:21 C 21 38 22.897 -30 03 26.23 U F52
2021-08-31 08:14:12 C 21 38 22.240 -30 03 27.86 U F52
2021-08-31 08:27:04 C 21 38 21.583 -30 03 29.25 U F52
2021-08-31 08:39:58 C 21 38 20.921 -30 03 30.81 U F52
2021-09-07 08:43:30 C 21 30 19.893 -30 17 38.80 U F52
2021-09-07 08:56:20 C 21 30 19.294 -30 17 39.43 U F52
2021-09-07 09:09:11 C 21 30 18.706 -30 17 40.16 U F52
2021-09-11 02:13:19 C 21 26 26.36 -30 21 05.2 V W94
2021-09-11 02:21:22 C 21 26 25.90 -30 21 05.0 V W94
2021-09-11 02:29:34 C 21 26 25.55 -30 21 05.2 V W94
2021-10-01 06:34:00 C 21 11 19.847 -29 57 30.12 U F52
2021-10-01 06:46:50 C 21 11 19.579 -29 57 28.88 U F52
2021-10-01 06:59:38 C 21 11 19.307 -29 57 27.20 U F52
2021-10-01 07:12:24 C 21 11 19.043 -29 57 25.84 U F52
2022-08-02 14:15:02 C 02 43 35.794 +09 23 53.92 U F52
2022-08-02 14:25:11 C 02 43 36.390 +09 23 56.94 U F52
2022-08-02 14:35:23 C 02 43 36.999 +09 23 59.98 U F52
2022-08-02 14:45:32 C 02 43 37.601 +09 24 03.08 U F52
2022-08-12 13:51:16 C 02 58 04.993 +10 33 55.27 U F51
2022-08-12 14:04:23 C 02 58 05.787 +10 33 59.10 U F51
2022-08-12 14:17:30 C 02 58 06.554 +10 34 02.96 U F51
2022-09-06 17:44:50 C 03 34 58.039 +13 31 06.71 V P07
2022-09-06 18:54:40 C 03 35 02.191 +13 31 27.84 V P07
2022-09-06 20:11:56 C 03 35 06.806 +13 31 51.46 V P07
2022-09-06 21:14:46 C 03 35 10.596 +13 32 10.68 V P07
2022-09-07 13:04:15 C 03 36 09.606 +13 37 00.07 U F52
2022-09-07 13:19:50 C 03 36 10.543 +13 37 04.92 U F52
2022-09-07 13:35:27 C 03 36 11.471 +13 37 09.90 U F52
2022-09-07 13:51:10 C 03 36 12.415 +13 37 14.77 U F52
2022-09-18 13:01:50 C 03 52 44.371 +15 04 26.15 V T08
2022-09-18 13:05:52 C 03 52 44.616 +15 04 27.26 V T08
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)