IAA Minor Planet Database| 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 |
|---|---|---|---|---|---|---|
| 2013-11-12 02:58:01 | C | 01 15 32.55 | +30 26 56.0 | – | q | H45 |
| 2013-11-12 02:59:45 | C | 01 15 32.37 | +30 26 55.5 | – | q | H45 |
| 2013-11-12 03:01:37 | C | 01 15 32.21 | +30 26 55.0 | – | q | H45 |
| 2013-11-12 03:03:26 | C | 01 15 32.07 | +30 26 54.3 | – | q | H45 |
| 2013-11-12 03:05:14 | C | 01 15 31.90 | +30 26 54.0 | – | q | H45 |
| 2013-11-18 13:46:02 | C | 01 04 27.53 | +29 37 29.2 | – | o | 300 |
| 2013-11-18 13:46:34 | C | 01 04 27.54 | +29 37 28.9 | – | o | 300 |
| 2013-11-18 13:48:02 | C | 01 04 27.44 | +29 37 28.7 | – | o | 300 |
| 2013-11-19 03:37:32 | C | 01 03 38.32 | +29 32 57.1 | – | u | H21 |
| 2013-11-19 03:41:49 | C | 01 03 38.05 | +29 32 55.4 | – | u | H21 |
| 2013-11-19 03:46:22 | C | 01 03 37.77 | +29 32 54.1 | – | u | H21 |
| 2013-11-19 03:51:21 | C | 01 03 37.46 | +29 32 52.5 | – | u | H21 |
| 2013-11-19 14:53:24 | C | 01 02 59.12 | +29 29 18.7 | – | q | D29 |
| 2013-11-19 14:58:03 | C | 01 02 58.85 | +29 29 16.0 | – | q | D29 |
| 2013-11-19 15:08:18 | C | 01 02 58.26 | +29 29 14.0 | – | q | D29 |
| 2013-11-19 15:12:57 | C | 01 02 57.95 | +29 29 10.7 | – | q | D29 |
| 2013-11-19 15:23:12 | C | 01 02 57.47 | +29 29 08.7 | – | q | D29 |
| 2013-11-19 15:27:51 | C | 01 02 57.12 | +29 29 05.9 | – | q | D29 |
| 2013-11-24 05:41:23 | C | 00 57 33.431 | +28 53 53.75 | – | L | F51 |
| 2013-11-24 05:58:48 | C | 00 57 32.653 | +28 53 48.48 | – | L | F51 |
| 2013-11-27 05:42:28 | C | 00 54 54.776 | +28 32 03.52 | – | L | F51 |
| 2013-11-27 06:01:47 | C | 00 54 54.094 | +28 31 57.95 | – | L | F51 |
| 2013-11-28 05:10:09 | C | 00 54 11.19 | +28 25 10.5 | – | q | H45 |
| 2013-11-28 05:11:55 | C | 00 54 11.12 | +28 25 09.9 | – | q | H45 |
| 2013-11-28 05:13:50 | C | 00 54 11.06 | +28 25 09.4 | – | q | H45 |
| 2013-11-28 05:16:17 | C | 00 54 10.99 | +28 25 08.8 | – | q | H45 |
| 2013-11-28 05:17:55 | C | 00 54 10.94 | +28 25 08.5 | – | q | H45 |
| 2013-11-28 05:19:30 | C | 00 54 10.88 | +28 25 07.8 | – | q | H45 |
| 2013-11-28 05:21:09 | C | 00 54 10.86 | +28 25 07.4 | – | q | H45 |
| 2013-11-28 05:22:43 | C | 00 54 10.81 | +28 25 06.8 | – | q | H45 |
| 2013-12-02 10:10:55 | C | 00 51 53.91 | +27 57 47.9 | – | q | D29 |
| 2013-12-02 10:53:51 | C | 00 51 53.08 | +27 57 37.5 | – | q | D29 |
| 2013-12-02 11:36:48 | C | 00 51 52.25 | +27 57 26.6 | – | q | D29 |
| 2013-12-02 20:32:00 | C | 00 51 43.39 | +27 55 10.2 | – | i | C91 |
| 2013-12-02 20:37:59 | C | 00 51 43.31 | +27 55 08.5 | – | i | C91 |
| 2013-12-02 20:42:59 | C | 00 51 43.19 | +27 55 07.3 | – | i | C91 |
| 2013-12-02 20:48:59 | C | 00 51 43.14 | +27 55 05.4 | – | i | C91 |
| 2013-12-02 20:55:00 | C | 00 51 43.01 | +27 55 04.2 | – | i | C91 |
| 2013-12-02 21:00:00 | C | 00 51 42.92 | +27 55 03.1 | – | i | C91 |
| 2013-12-26 04:08:20 | C | 00 58 10.21 | +26 39 39.5 | – | q | 703 |
| 2013-12-26 04:18:31 | C | 00 58 10.46 | +26 39 38.0 | – | q | 703 |
| 2013-12-26 04:28:43 | C | 00 58 10.82 | +26 39 38.6 | – | q | 703 |
| 2013-12-26 04:38:53 | C | 00 58 10.98 | +26 39 37.1 | – | q | 703 |
| 2014-01-01 11:48:41 | C | 01 03 59.51 | +26 40 27.9 | – | q | D29 |
| 2014-01-01 12:45:57 | C | 01 04 01.94 | +26 40 31.2 | – | q | D29 |
| 2016-11-06 11:08:00 | C | 06 56 28.79 | +47 52 03.7 | – | q | 703 |
| 2016-11-06 11:16:53 | C | 06 56 28.91 | +47 52 10.3 | – | q | 703 |
| 2016-11-06 11:25:41 | C | 06 56 28.88 | +47 52 17.9 | – | q | 703 |
| 2016-11-06 11:34:33 | C | 06 56 29.02 | +47 52 26.6 | – | q | 703 |
| 2016-11-10 09:05:40 | C | 06 56 48.87 | +49 09 21.2 | – | 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 |