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
2021-10-06 18:23:52 C 22 47 16.46 +20 10 40.9 V L18
2021-10-06 18:32:52 C 22 47 14.22 +20 10 55.6 V L18
2021-10-08 20:20:25 C 22 35 11.00 +21 31 10.3 V K87
2021-10-08 20:26:38 C 22 35 09.43 +21 31 19.9 V K87
2021-10-08 20:33:19 C 22 35 07.76 +21 31 30.6 V K87
2021-10-09 04:11:43 C 22 33 15.69 +21 43 44.7 V 703
2021-10-09 04:19:53 C 22 33 13.65 +21 43 57.4 V 703
2021-10-09 04:28:04 C 22 33 11.60 +21 44 11.3 V 703
2021-10-09 19:45:55 C 22 29 26.28 +22 07 59.3 V K87
2021-10-09 19:52:27 C 22 29 24.64 +22 08 10.1 V K87
2021-10-09 19:58:22 C 22 29 23.16 +22 08 20.0 V K87
2021-10-10 10:25:54 C 22 25 47.42 +22 30 57.5 V T08
2021-10-10 10:31:13 C 22 25 46.04 +22 31 04.6 V T08
2021-10-10 10:41:53 C 22 25 43.26 +22 31 20.6 V T08
2021-10-10 11:01:50 C 22 25 38.24 +22 31 50.6 V T08
2021-10-10 19:55:39 C 22 23 28.25 +22 45 15.3 V K87
2021-10-10 20:01:52 C 22 23 26.69 +22 45 24.8 V K87
2021-10-10 20:08:06 C 22 23 25.13 +22 45 34.4 V K87
2021-10-12 21:52:50 C 22 11 03.57 +23 59 40.2 Z C95
2021-10-12 21:57:57 C 22 11 02.28 +23 59 48.1 Z C95
2021-10-12 22:04:13 C 22 11 00.70 +23 59 56.0 Z C95
2021-10-13 02:52:23 C 22 09 50.50 +24 06 58.8 V G96
2021-10-13 03:00:40 C 22 09 48.36 +24 07 11.8 V G96
2021-10-13 03:08:58 C 22 09 46.22 +24 07 23.8 V G96
2021-10-13 03:17:16 C 22 09 44.09 +24 07 35.8 V G96
2021-10-13 03:34:25 C 22 09 39.71 +24 08 01.4 V 703
2021-10-13 03:42:01 C 22 09 37.70 +24 08 11.6 V 703
2021-10-13 03:49:35 C 22 09 35.82 +24 08 22.5 V 703
2021-10-13 05:31:57 C 22 09 11.107 +24 10 55.65 U F52
2021-10-13 06:06:46 C 22 09 02.122 +24 11 46.41 U F52
2021-10-14 06:43:29 C 22 02 53.78 +24 46 25.4 V U68
2021-10-14 06:49:07 C 22 02 52.39 +24 46 33.0 V U68
2021-10-14 07:16:13 C 22 02 45.47 +24 47 10.3 V U68
2021-10-14 07:21:50 C 22 02 44.04 +24 47 17.5 V U68
2021-10-17 07:13:35 C 21 45 02.694 +26 22 59.06 U F52
2021-10-17 07:27:23 C 21 44 59.190 +26 23 16.22 U F52
2021-10-17 07:55:09 C 21 44 52.141 +26 23 50.77 U F52
2021-10-22 20:59:31 C 21 13 18.57 +28 54 54.6 V 204
2021-10-22 21:32:34 C 21 13 10.80 +28 55 27.2 V 204
2022-02-07 15:40:58 C 16 33 26.949 -17 08 59.77 U F52
2022-02-07 15:50:08 C 16 33 27.270 -17 09 19.16 U F52
2022-02-07 15:54:42 C 16 33 27.407 -17 09 28.77 U F52
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)