| 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 Period | 1.39519172 yr ± 5.03e+00 |
| NGA Model | r2 |
| A2 | -1.38437815e-06 AU/d² |
| H (abs. magnitude) | 17.14 |
|---|---|
| G (slope) | 0.15 |
1985 SD, 1985 TO2
| Source | IAA |
|---|---|
| Solution Date | 2026-04-26 |
| RMS Residual | 0.481″ |
| Uncertainty | 0 |
| Orbit Type | Apollo |
| MOID | 0.045618 AU |
| Observations Used | 2393 |
| Gaia Obs Used | 147 |
| Oppositions | 18 |
| Arc Total | 1953-2017 |
| First Observation Used | 1953-10-12 |
| Last Observation Used | 2025-01-18 |
| Date | Type | RA | Dec | Mag | Band | Observatory |
|---|---|---|---|---|---|---|
| 2013-02-27 03:22:01 | C | 16 54 17.32 | -05 42 34.3 | – | u | 089 |
| 2013-02-27 03:24:52 | C | 16 54 18.21 | -05 42 42.7 | – | u | 089 |
| 2013-02-27 03:27:43 | C | 16 54 19.07 | -05 42 51.1 | – | u | 089 |
| 2013-02-27 03:30:34 | C | 16 54 19.96 | -05 43 00.3 | – | u | 089 |
| 2013-02-27 03:33:25 | C | 16 54 20.82 | -05 43 09.0 | – | u | 089 |
| 2013-02-27 03:36:16 | C | 16 54 21.70 | -05 43 17.0 | – | u | 089 |
| 2013-02-27 03:39:07 | C | 16 54 22.57 | -05 43 26.3 | – | u | 089 |
| 2013-02-27 03:41:58 | C | 16 54 23.45 | -05 43 34.9 | – | u | 089 |
| 2013-02-28 01:26:26 | C | 17 01 17.66 | -06 49 36.5 | – | q | C73 |
| 2013-02-28 01:27:36 | C | 17 01 17.98 | -06 49 39.2 | – | q | C73 |
| 2013-02-28 01:28:45 | C | 17 01 18.34 | -06 49 43.6 | – | q | C73 |
| 2013-02-28 01:29:54 | C | 17 01 18.76 | -06 49 47.0 | – | q | C73 |
| 2013-02-28 01:31:04 | C | 17 01 19.16 | -06 49 52.0 | – | q | C73 |
| 2013-02-28 01:32:13 | C | 17 01 19.49 | -06 49 53.3 | – | q | C73 |
| 2013-02-28 01:33:23 | C | 17 01 19.88 | -06 49 59.7 | – | q | C73 |
| 2013-02-28 01:35:43 | C | 17 01 20.53 | -06 50 05.1 | – | q | C73 |
| 2013-02-28 01:36:52 | C | 17 01 20.94 | -06 50 08.5 | – | q | C73 |
| 2013-02-28 01:38:02 | C | 17 01 21.24 | -06 50 11.7 | – | q | C73 |
| 2013-02-28 01:39:11 | C | 17 01 21.66 | -06 50 15.3 | – | q | C73 |
| 2013-02-28 01:40:21 | C | 17 01 21.94 | -06 50 18.5 | – | q | C73 |
| 2013-02-28 01:41:30 | C | 17 01 22.38 | -06 50 22.6 | – | q | C73 |
| 2013-02-28 01:42:38 | C | 17 01 22.72 | -06 50 26.4 | – | q | C73 |
| 2013-02-28 01:43:48 | C | 17 01 23.11 | -06 50 29.9 | – | q | C73 |
| 2013-02-28 01:44:57 | C | 17 01 23.42 | -06 50 33.0 | – | q | C73 |
| 2013-02-28 01:46:06 | C | 17 01 23.73 | -06 50 36.5 | – | q | C73 |
| 2013-09-01 09:15:26 | C | 03 28 33.57 | +19 26 36.9 | – | q | 703 |
| 2013-09-01 09:27:37 | C | 03 28 33.70 | +19 26 45.2 | – | q | 703 |
| 2013-09-01 09:39:48 | C | 03 28 33.72 | +19 26 54.6 | – | q | 703 |
| 2013-09-01 09:52:05 | C | 03 28 33.83 | +19 27 03.3 | – | q | 703 |
| 2013-09-04 03:02:51 | C | 03 28 58.25 | +20 14 56.3 | – | c | A24 |
| 2013-09-04 03:03:54 | C | 03 28 58.27 | +20 14 56.9 | – | c | A24 |
| 2013-09-04 03:04:56 | C | 03 28 58.28 | +20 14 57.6 | – | c | A24 |
| 2013-09-04 03:05:58 | C | 03 28 58.27 | +20 14 58.7 | – | c | A24 |
| 2013-09-05 03:25:07 | C | 03 29 01.14 | +20 32 53.2 | – | c | A24 |
| 2013-09-05 03:26:09 | C | 03 29 01.13 | +20 32 53.8 | – | c | A24 |
| 2013-09-05 03:27:12 | C | 03 29 01.13 | +20 32 54.4 | – | c | A24 |
| 2013-09-05 03:28:14 | C | 03 29 01.06 | +20 32 55.3 | – | c | A24 |
| 2013-09-11 02:13:34 | C | 03 28 04.11 | +22 18 18.2 | – | q | Z81 |
| 2013-09-11 03:03:40 | C | 03 28 03.23 | +22 18 55.7 | – | q | Z81 |
| 2013-09-11 03:52:56 | C | 03 28 02.37 | +22 19 32.3 | – | q | Z81 |
| 2013-09-14 09:05:38 | C | 03 26 33.48 | +23 16 31.6 | – | q | 703 |
| 2013-09-14 09:17:40 | C | 03 26 33.21 | +23 16 40.8 | – | q | 703 |
| 2013-09-14 09:29:45 | C | 03 26 32.83 | +23 16 49.9 | – | q | 703 |
| 2013-09-14 09:41:51 | C | 03 26 32.54 | +23 16 58.4 | – | q | 703 |
| 2013-10-02 06:52:04 | C | 03 03 51.27 | +28 17 08.3 | – | q | 703 |
| 2013-10-02 07:02:29 | C | 03 03 50.38 | +28 17 15.3 | – | q | 703 |
| 2013-10-02 07:23:24 | C | 03 03 48.59 | +28 17 28.5 | – | q | 703 |
| 2013-10-02 20:49:05 | C | 03 02 39.38 | +28 25 45.9 | – | q | D29 |
| 2013-10-02 21:11:58 | C | 03 02 37.22 | +28 25 59.8 | – | q | D29 |
| 2013-10-15 05:41:49 | C | 02 31 44.86 | +30 51 15.1 | – | q | 703 |
| Epoch (UTC) | Value | Sigma | Units | Freq (MHz) | Receiver | Transmitter |
|---|---|---|---|---|---|---|
| 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 |