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
1953-10-12 09:38:59 02 15 21.55 +27 24 22.9 675
1985-09-22 08:08:59 A 00 55 05.60 -01 48 41.1 16.0 675
1985-09-22 09:29:00 A 00 54 52.39 -01 47 42.0 675
1985-10-12 21:24:59 A 23 51 21.30 +03 15 10.5 19.0 010
1985-10-12 21:54:59 A 23 51 18.68 +03 15 26.1 19.0 010
1992-09-24 10:47:15 A 01 38 28.55 +09 57 17.8 17.0 675
1992-09-24 11:20:15 A 01 38 23.34 +09 57 34.9 675
1992-09-26 10:17:30 A 01 31 48.22 +10 21 02.2 675
1992-09-26 10:47:45 A 01 31 43.90 +10 21 15.3 675
1992-10-02 07:23:14 01 11 50.54 +11 21 07.0 675
1992-10-02 08:12:14 01 11 43.38 +11 21 24.9 675
1992-10-05 15:03:44 A 01 00 49.88 +11 48 28.7 413
1992-10-05 15:18:44 A 01 00 47.98 +11 48 31.5 413
1992-10-06 12:59:53 C 00 57 53.54 +11 55 01.5 413
1992-10-06 13:02:29 C 00 57 53.18 +11 55 02.3 413
1992-10-10 14:03:27 C 00 45 22.47 +12 19 54.5 413
1992-10-10 14:05:53 C 00 45 22.12 +12 19 54.9 413
1992-10-13 16:30:42 C 00 36 30.38 +12 34 48.4 413
1992-10-13 16:33:16 C 00 36 30.06 +12 34 48.9 413
1992-10-20 04:43:59 A 00 20 27.54 +12 56 38.6 18.0 675
1992-10-20 05:31:14 A 00 20 23.02 +12 56 43.3 675
1992-10-27 07:18:33 C 00 07 10.49 +13 11 58.1 657
1992-10-27 07:26:30 C 00 07 10.01 +13 11 58.0 657
1992-10-27 07:29:24 C 00 07 09.84 +13 11 57.8 657
1992-10-28 01:39:54 C 00 06 01.44 +13 13 22.4 z 801
1992-10-28 01:56:24 C 00 06 00.35 +13 13 23.9 z 801
1995-10-25 08:39:59 05 25 55.52 +44 43 53.3 261
1995-10-25 09:34:59 05 25 53.81 +44 44 37.6 261
1995-10-29 10:44:28 C 05 22 24.35 +46 02 04.4 z 658
1995-10-29 10:49:54 C 05 22 24.08 +46 02 09.0 z 658
1995-10-29 10:56:16 C 05 22 23.80 +46 02 13.8 z 658
1995-10-30 11:33:49 C 05 21 16.29 +46 21 47.2 z 658
1995-10-30 11:39:29 C 05 21 15.96 +46 21 51.6 z 658
1995-10-30 11:54:12 C 05 21 15.23 +46 22 03.0 z 658
1995-10-31 09:24:50 C 05 20 11.89 +46 39 03.1 z 658
1995-10-31 09:30:52 C 05 20 11.56 +46 39 07.8 z 658
1995-10-31 09:36:38 C 05 20 11.25 +46 39 12.6 z 658
1995-11-13 11:50:13 C 04 55 23.63 +50 26 40.1 c 608
1995-11-13 12:35:46 C 04 55 18.40 +50 27 04.5 c 608
1995-11-17 11:15:12 C 04 44 26.62 +51 20 37.7 c 608
1995-11-17 12:39:00 C 04 44 15.72 +51 21 20.5 c 608
1995-11-20 09:17:22 C 04 35 31.42 +51 53 02.3 z 658
1995-11-20 09:26:07 C 04 35 30.27 +51 53 05.9 z 658
1995-11-20 09:35:57 C 04 35 28.97 +51 53 08.3 z 658
1995-11-20 09:46:31 C 04 35 27.45 +51 53 14.1 z 658
1995-11-30 06:53:57 C 04 01 50.19 +52 47 31.5 711
1995-11-30 07:12:59 C 04 01 47.36 +52 47 32.0 711
1995-12-08 23:35:28 C 03 32 29.55 +52 19 09.4 z 595
1995-12-08 23:44:45 C 03 32 28.45 +52 19 07.5 z 595
1995-12-09 21:44:22 C 03 29 37.83 +52 12 23.4 z 595
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)