| 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 |
|---|---|---|---|---|---|---|
| 2006-03-03 11:53:11 | C | 16 18 20.73 | +22 41 54.6 | – | r | 703 |
| 2006-03-06 08:43:43 | C | 16 47 33.70 | +18 31 58.6 | – | r | H08 |
| 2006-03-06 09:38:14 | C | 16 47 57.83 | +18 28 16.2 | – | r | H08 |
| 2006-03-06 10:33:16 | C | 16 48 22.04 | +18 24 30.5 | – | r | H08 |
| 2006-03-08 01:53:10 | C | 17 06 49.03 | +15 28 15.3 | – | o | A32 |
| 2006-03-08 01:57:19 | C | 17 06 51.00 | +15 27 55.3 | – | o | A32 |
| 2006-03-08 02:02:11 | C | 17 06 53.32 | +15 27 32.3 | – | o | A32 |
| 2006-03-23 18:40:40 | C | 20 32 02.65 | -20 15 59.9 | – | r | E12 |
| 2006-03-23 18:51:02 | C | 20 32 07.62 | -20 16 41.0 | – | r | E12 |
| 2006-03-23 19:01:19 | C | 20 32 12.55 | -20 17 22.8 | – | r | E12 |
| 2006-08-23 08:32:25 | C | 03 12 54.41 | +12 54 57.2 | 18.7 | c | 704 |
| 2006-08-23 08:48:14 | C | 03 12 54.55 | +12 55 08.8 | 19.0 | c | 704 |
| 2006-08-23 09:03:46 | C | 03 12 54.75 | +12 55 20.4 | 19.3 | c | 704 |
| 2006-08-23 09:19:20 | C | 03 12 54.78 | +12 55 32.7 | 19.1 | c | 704 |
| 2006-08-23 09:34:58 | C | 03 12 54.92 | +12 55 44.9 | 19.4 | c | 704 |
| 2006-08-28 08:49:31 | C | 03 13 39.08 | +14 23 54.8 | 19.2 | c | 704 |
| 2006-08-28 09:05:22 | C | 03 13 39.07 | +14 24 06.5 | 18.9 | c | 704 |
| 2006-08-28 09:21:08 | C | 03 13 39.04 | +14 24 17.9 | 18.9 | c | 704 |
| 2006-08-28 09:36:51 | C | 03 13 38.91 | +14 24 29.9 | 18.9 | c | 704 |
| 2006-08-28 11:12:49 | C | 03 13 38.78 | +14 25 41.2 | – | r | 703 |
| 2006-08-28 11:19:46 | C | 03 13 38.78 | +14 25 46.5 | – | r | 703 |
| 2006-08-28 11:26:46 | C | 03 13 38.78 | +14 25 51.2 | – | r | 703 |
| 2006-08-28 11:33:42 | C | 03 13 38.74 | +14 25 56.6 | – | r | 703 |
| 2006-08-31 08:27:51 | C | 03 13 26.40 | +15 16 49.9 | 18.5 | c | 704 |
| 2006-08-31 08:43:41 | C | 03 13 26.21 | +15 17 02.6 | 18.9 | c | 704 |
| 2006-08-31 08:59:34 | C | 03 13 26.08 | +15 17 13.9 | 18.8 | c | 704 |
| 2006-08-31 09:15:27 | C | 03 13 25.94 | +15 17 26.2 | 18.7 | c | 704 |
| 2006-09-01 09:07:18 | C | 03 13 14.49 | +15 35 03.8 | 18.2 | c | 704 |
| 2006-09-01 09:25:18 | C | 03 13 14.29 | +15 35 17.1 | 19.1 | c | 704 |
| 2006-09-01 09:41:20 | C | 03 13 14.05 | +15 35 29.6 | 19.6 | c | 704 |
| 2006-09-04 01:34:53 | C | 03 12 24.87 | +16 22 35.0 | 18.5 | r | 084 |
| 2006-09-16 01:06:50 | C | 03 02 37.01 | +19 52 12.9 | 18.3 | r | 084 |
| 2006-09-16 01:12:01 | C | 03 02 36.76 | +19 52 16.4 | 18.7 | r | 084 |
| 2006-09-16 08:38:48 | C | 03 02 13.09 | +19 57 39.0 | – | r | 703 |
| 2006-09-16 08:47:25 | C | 03 02 12.62 | +19 57 45.5 | – | r | 703 |
| 2006-09-16 08:55:58 | C | 03 02 12.12 | +19 57 51.6 | – | r | 703 |
| 2006-09-16 09:04:33 | C | 03 02 11.61 | +19 57 57.6 | – | r | 703 |
| 2006-09-16 22:50:44 | C | 03 01 25.83 | +20 07 35.7 | 18.4 | r | 084 |
| 2006-09-16 22:55:54 | C | 03 01 25.52 | +20 07 39.5 | 18.2 | r | 084 |
| 2006-09-18 08:12:24 | C | 02 59 28.31 | +20 31 07.8 | 18.4 | c | 704 |
| 2006-09-18 08:29:32 | C | 02 59 27.16 | +20 31 19.8 | 18.5 | c | 704 |
| 2006-09-18 08:45:59 | C | 02 59 26.14 | +20 31 31.1 | 18.6 | c | 704 |
| 2006-09-18 09:02:25 | C | 02 59 25.04 | +20 31 42.8 | 18.5 | c | 704 |
| 2006-09-18 09:18:49 | C | 02 59 24.01 | +20 31 54.2 | 18.3 | c | 704 |
| 2006-09-21 07:56:18 | C | 02 54 42.33 | +21 20 21.6 | 18.0 | c | 704 |
| 2006-09-21 08:14:09 | C | 02 54 41.01 | +21 20 33.8 | 18.2 | c | 704 |
| 2006-09-21 08:30:31 | C | 02 54 39.76 | +21 20 45.0 | 18.3 | c | 704 |
| 2006-09-21 08:32:17 | C | 02 54 39.60 | +21 20 46.0 | 18.1 | c | 704 |
| 2006-09-21 08:46:53 | C | 02 54 38.56 | +21 20 56.2 | 18.4 | c | 704 |
| 2006-09-21 08:50:32 | C | 02 54 38.29 | +21 20 58.4 | 18.8 | c | 704 |
| 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 |