660096 (1998 SL36)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4181326680 ± 1.39e-08
Semi-major axis (a)1.3907957990 AU ± 2.34e-09
Inclination (i)19.05516015° ± 8.35e-06
Long. of Asc. Node (Ω)353.07272935° ± 5.91e-06
Arg. of Perihelion (ω)116.81162669° ± 6.15e-06
Mean Anomaly (M)133.66588311° ± 5.15e-06
Mean Motion (n)0.6009207780°/day ± 1.51e-09
Perihelion dist (q)0.80925864 AU ± 1.93e-08
Aphelion dist (Q)1.97233296 AU ± 1.96e-08
Orbital Period1.64019338 yr ± 4.13e-09
Physical Parameters
H (abs. magnitude)20.23
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.282″
Uncertainty0
Orbit TypeApollo
MOID0.021060 AU
Observations Used221
Radar Obs Used3
Oppositions7
Arc Total1998-2022
First Observation Used1998-09-24
Last Observation Used2022-02-07
Observations (242)
Date Type RA Dec Mag Band Observatory
1998-09-24 03:59:05 c 22 27 29.32 -09 56 51.1 i 691
1998-09-24 04:29:13 c 22 27 24.82 -09 56 31.9 i 691
1998-09-24 04:59:25 c 22 27 20.33 -09 56 13.4 i 691
1998-09-25 02:27:22 c 22 24 14.95 -09 42 20.6 i 691
1998-09-25 02:33:25 c 22 24 14.03 -09 42 16.6 i 691
1998-09-25 08:30:27 c 22 23 20.99 -09 38 21.8 i 691
1998-09-25 08:36:43 c 22 23 20.08 -09 38 18.3 i 691
1998-09-26 04:51:28 c 22 20 26.99 -09 24 47.0 i 691
1998-09-26 04:58:53 c 22 20 25.89 -09 24 42.1 i 691
1998-09-26 05:04:31 c 22 20 25.08 -09 24 37.1 i 691
1998-09-29 02:45:22 c 22 10 38.20 -08 35 36.4 i 691
1998-09-29 02:51:07 c 22 10 37.36 -08 35 32.1 i 691
1998-09-29 02:56:48 c 22 10 36.56 -08 35 28.1 i 691
1998-09-29 07:13:50 c 22 09 59.91 -08 32 20.3 i 691
1998-09-29 07:19:16 c 22 09 59.16 -08 32 16.1 i 691
1998-09-29 07:24:55 c 22 09 58.36 -08 32 12.2 i 691
2016-08-07 12:46:29 C 23 39 54.701 -22 01 01.18 L F51
2016-08-07 13:01:25 C 23 39 53.923 -22 01 03.58 L F51
2016-08-07 13:31:14 C 23 39 52.361 -22 01 07.96 L F51
2016-08-08 09:11:57 C 23 38 52.99 -22 04 03.4 u 807
2016-08-08 09:24:54 C 23 38 52.29 -22 04 05.0 u 807
2016-08-08 09:37:26 C 23 38 51.62 -22 04 06.8 u 807
2016-08-09 08:04:02 C 23 37 40.80 -22 07 39.4 u 807
2016-08-09 08:13:37 C 23 37 40.27 -22 07 40.7 u 807
2016-08-09 08:23:10 C 23 37 39.73 -22 07 42.2 u 807
2016-08-10 11:24:36 C 23 36 09.528 -22 12 06.15 L F51
2016-08-10 11:39:27 C 23 36 08.626 -22 12 08.72 L F51
2016-08-10 11:54:18 C 23 36 07.723 -22 12 11.16 L F51
2016-08-10 12:09:19 C 23 36 06.811 -22 12 13.72 L F51
2016-08-22 08:08:54 C 23 14 30.01 -22 50 18.8 o 291
2016-08-22 08:27:38 C 23 14 28.19 -22 50 20.5 o 291
2016-08-22 08:46:20 C 23 14 26.32 -22 50 22.3 o 291
2016-08-23 06:56:51 C 23 12 19.29 -22 52 13.5 o 291
2016-08-23 07:03:44 C 23 12 18.54 -22 52 13.5 o 291
2016-08-23 07:10:42 C 23 12 17.90 -22 52 14.5 o 291
2016-08-26 11:09:30 C 23 04 34.186 -22 56 29.85 L F51
2016-08-26 11:25:16 C 23 04 32.419 -22 56 30.28 L F51
2016-08-26 11:56:48 C 23 04 28.932 -22 56 31.13 L F51
2016-08-27 10:48:31 C 23 02 01.973 -22 57 04.48 L F51
2016-09-04 05:56:46 C 22 40 10.39 -22 45 32.5 o 691
2016-09-04 06:12:50 C 22 40 08.35 -22 45 29.8 o 691
2016-09-04 06:29:01 C 22 40 06.30 -22 45 27.8 o 691
2016-10-02 05:05:09 C 21 24 32.25 -17 21 48.3 o 291
2016-10-02 05:08:17 C 21 24 32.00 -17 21 46.3 o 291
2016-10-02 05:11:25 C 21 24 31.72 -17 21 43.7 o 291
2016-10-09 04:41:20 C 21 13 02.79 -15 12 47.0 o 291
2016-10-09 04:50:00 C 21 13 02.25 -15 12 39.7 o 291
2016-10-09 04:58:38 C 21 13 01.72 -15 12 33.3 o 291
2016-10-19 03:56:00 C 21 03 07.87 -11 57 56.6 o 695
2016-10-19 04:00:40 C 21 03 07.74 -11 57 52.8 o 695
Radar Observations (3)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2017-03-12 20:40:00 705814.523 2 Hz 8560 -14 -14
2017-03-12 21:20:00 38031004.755 10 us 8560 -14 -14
2017-03-12 21:40:00 37932983.967 1 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)