10115 (1992 SK)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3248812195 ± 2.00e+00
Semi-major axis (a)1.2485978808 AU ± 3.00e+00
Inclination (i)15.31792369° ± 4.00e+00
Long. of Asc. Node (Ω)8.87018800° ± 5.00e+00
Arg. of Perihelion (ω)233.73577246° ± 6.00e+00
Mean Anomaly (M)7.07531822° ± 6.68e-05
Mean Motion (n)0.7064450492°/day ± 2.55e+00
Perihelion dist (q)0.84295188 AU ± 3.22e+00
Aphelion dist (Q)1.65424388 AU ± 4.69e+00
Orbital Period1.39519172 yr ± 5.03e+00
NGA Modelr2
A2-1.38437815e-06 AU/d²
Physical Parameters
H (abs. magnitude)17.14
G (slope)0.15
Alternative Designations

1985 SD, 1985 TO2

Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.481″
Uncertainty0
Orbit TypeApollo
MOID0.045618 AU
Observations Used2393
Gaia Obs Used147
Oppositions18
Arc Total1953-2017
First Observation Used1953-10-12
Last Observation Used2025-01-18
Observations (3217)
Date Type RA Dec Mag Band Observatory
2017-10-27 06:16:37 C 21 24 28.11 -18 05 45.3 T05
2017-10-27 06:21:55 C 21 24 28.63 -18 05 37.4 T05
2017-10-27 06:26:30 C 21 24 29.06 -18 05 31.1 T05
2017-10-27 06:31:49 C 21 24 29.57 -18 05 24.4 T05
2017-10-27 06:36:26 C 21 24 30.02 -18 05 17.9 T05
2017-10-27 06:41:41 C 21 24 30.53 -18 05 11.4 T05
2017-11-06 10:30:16 C 21 47 26.09 -13 09 33.4 q D29
2017-11-06 10:50:38 C 21 47 27.78 -13 09 10.7 q D29
2017-11-06 11:11:00 C 21 47 29.52 -13 08 49.2 q D29
2017-11-07 06:27:24 C 21 49 12.86 -12 47 25.5 U T08
2017-11-07 06:38:53 C 21 49 13.85 -12 47 12.4 U T08
2017-11-07 06:50:26 C 21 49 14.77 -12 46 59.4 U T08
2017-11-07 07:02:06 C 21 49 15.75 -12 46 47.6 U T08
2017-11-13 06:36:54 C 22 01 48.74 -10 15 39.7 U T05
2017-11-13 06:47:08 C 22 01 49.59 -10 15 29.3 U T05
2017-11-13 06:58:11 C 22 01 50.56 -10 15 18.2 U T05
2017-11-13 07:08:23 C 22 01 51.37 -10 15 07.5 U T05
2017-11-15 02:08:52 C 22 05 32.29 -09 32 17.7 o 691
2017-11-15 02:24:40 C 22 05 33.61 -09 32 02.2 o 691
2017-11-15 02:40:24 C 22 05 34.90 -09 31 46.1 o 691
2017-11-16 03:51:33 C 22 07 43.01 -09 07 09.4 U 703
2017-11-16 03:59:31 C 22 07 43.75 -09 07 01.0 U 703
2017-11-16 04:07:26 C 22 07 44.44 -09 06 53.2 U 703
2017-11-16 04:15:23 C 22 07 45.07 -09 06 44.8 U 703
2017-11-20 02:42:04 C 22 15 41.64 -07 37 11.5 U G96
2017-11-20 02:50:19 C 22 15 42.31 -07 37 03.9 U G96
2017-11-20 02:58:38 C 22 15 42.99 -07 36 56.5 U G96
2017-11-20 03:06:58 C 22 15 43.67 -07 36 48.5 U G96
2017-11-21 06:22:59 C 22 17 59.95 -07 11 42.2 U T05
2017-11-21 06:25:43 C 22 18 00.12 -07 11 37.7 U T05
2017-11-21 06:37:32 C 22 18 01.12 -07 11 28.3 U T05
2017-11-21 06:50:15 C 22 18 02.15 -07 11 16.3 U T05
2017-11-24 03:02:23 C 22 23 41.13 -06 09 55.0 U 703
2017-11-24 03:12:04 C 22 23 41.85 -06 09 45.6 U 703
2017-11-24 03:21:42 C 22 23 42.60 -06 09 37.4 U 703
2017-11-24 03:31:25 C 22 23 43.38 -06 09 30.2 U 703
2017-12-09 03:07:54 C 22 52 56.55 -01 12 07.8 U 703
2017-12-09 03:23:16 C 22 52 57.81 -01 11 55.2 U 703
2017-12-09 03:30:57 C 22 52 58.41 -01 11 49.9 U 703
2019-11-04 12:10:39 C 10 08 22.24 +29 57 15.4 V G96
2019-11-04 12:18:25 C 10 08 23.14 +29 57 12.9 V G96
2019-11-04 12:23:11 C 10 08 23.69 +29 57 11.4 V G96
2019-11-04 12:30:58 C 10 08 24.58 +29 57 08.5 V G96
2019-12-03 10:52:27 C 11 31 31.31 +25 08 55.8 V 703
2019-12-03 10:59:59 C 11 31 32.17 +25 08 51.8 V 703
2019-12-03 11:07:32 C 11 31 33.20 +25 08 48.3 V 703
2019-12-03 11:15:03 C 11 31 33.98 +25 08 44.4 V 703
2019-12-08 14:16:20 C 11 46 44.70 +24 03 35.0 V T08
2019-12-08 14:22:37 C 11 46 45.51 +24 03 31.1 V T08
2019-12-08 14:30:17 C 11 46 46.40 +24 03 26.9 V T08
Radar Observations (17)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
1999-03-22 19:00:00 256120.928 2 Hz 8560 -14 -14
1999-03-22 19:10:00 255413.3 0.8 Hz 8560 -14 -14
1999-03-22 20:20:00 60196743 15 us 8560 -14 -14
1999-03-23 17:20:00 200657.153 2 Hz 8560 -14 -14
1999-03-23 18:00:00 58222201 13 us 8560 -14 -14
1999-03-23 19:40:00 189775.86 0.6 Hz 8560 -14 -14
1999-03-24 19:20:00 56606774 10 us 8560 -14 -14
1999-03-24 19:50:00 56581684 6 us 8560 -14 -14
1999-03-24 20:40:00 56541351.5 3 us 8560 -14 -14
1999-03-24 22:40:00 98798.44 0.6 Hz 8560 -14 -14
1999-03-25 18:20:00 55871151.77 0.35 us 8560 -14 -14
1999-03-25 18:30:00 49750.55 0.6 Hz 8560 -14 -14
1999-03-25 20:00:00 55839294.5 3 us 8560 -14 -14
1999-03-26 03:00:00 55794584.04 3 us 8560 -14 -14
1999-03-26 19:00:00 55883749.15 3 us 8560 -14 -14
1999-03-26 23:10:00 55968454.29 0.35 us 8560 -14 -14
1999-03-26 23:10:00 -64518.617 2.5 Hz 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)