| 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 |
|---|---|---|---|---|---|---|
| 2006-09-21 09:27:09 | C | 02 54 35.44 | +21 21 23.7 | 18.8 | c | 704 |
| 2006-09-21 09:45:00 | C | 02 54 34.15 | +21 21 36.4 | 18.8 | c | 704 |
| 2006-09-22 10:20:59 | C | 02 52 45.17 | +21 38 01.5 | – | o | 699 |
| 2006-09-22 11:00:30 | C | 02 52 42.00 | +21 38 27.5 | – | o | 699 |
| 2006-09-22 11:20:16 | C | 02 52 40.39 | +21 38 41.5 | – | o | 699 |
| 2006-09-23 23:13:44 | C | 02 49 52.25 | +22 02 04.9 | 18.2 | r | 084 |
| 2006-09-23 23:18:55 | C | 02 49 51.84 | +22 02 08.8 | 18.3 | r | 084 |
| 2006-09-25 06:58:04 | C | 02 47 14.19 | +22 22 27.7 | 17.6 | c | 704 |
| 2006-09-25 07:33:10 | C | 02 47 11.07 | +22 22 50.3 | 18.3 | c | 704 |
| 2006-09-25 07:50:42 | C | 02 47 09.53 | +22 23 02.2 | 18.5 | c | 704 |
| 2006-09-25 08:08:40 | C | 02 47 07.91 | +22 23 13.3 | 18.4 | c | 704 |
| 2006-09-26 21:42:48 | C | 02 43 48.88 | +22 46 22.1 | 18.1 | r | 084 |
| 2006-09-26 21:47:59 | C | 02 43 48.40 | +22 46 25.7 | 18.1 | r | 084 |
| 2006-09-27 21:06:31 | C | 02 41 39.10 | +23 00 26.4 | 17.6 | r | 084 |
| 2006-09-27 21:11:42 | C | 02 41 38.56 | +23 00 29.6 | 17.7 | r | 084 |
| 2006-09-29 00:41:53 | C | 02 38 59.69 | +23 16 35.4 | 18.0 | r | 084 |
| 2006-09-29 00:47:07 | C | 02 38 59.20 | +23 16 38.3 | 18.5 | r | 084 |
| 2006-09-30 07:15:23 | C | 02 35 57.31 | +23 33 57.0 | 17.9 | c | 704 |
| 2006-09-30 07:33:08 | C | 02 35 55.45 | +23 34 07.2 | 18.0 | c | 704 |
| 2006-09-30 07:51:13 | C | 02 35 53.51 | +23 34 17.8 | 17.8 | c | 704 |
| 2006-09-30 08:27:06 | C | 02 35 49.72 | +23 34 37.1 | 18.2 | c | 704 |
| 2006-09-30 22:26:00 | C | 02 34 24.20 | +23 42 12.3 | – | o | 493 |
| 2006-09-30 22:59:02 | C | 02 34 20.62 | +23 42 31.1 | – | o | 493 |
| 2006-09-30 23:38:26 | C | 02 34 16.40 | +23 42 53.0 | – | o | 493 |
| 2006-10-01 21:43:17 | C | 02 31 57.60 | +23 54 35.2 | – | o | 493 |
| 2006-10-01 21:59:36 | C | 02 31 55.84 | +23 54 43.8 | – | o | 493 |
| 2006-10-01 22:36:42 | C | 02 31 51.68 | +23 55 04.9 | – | o | 493 |
| 2006-10-03 09:11:25 | C | 02 28 05.63 | +24 12 39.9 | – | r | H45 |
| 2006-10-03 09:13:27 | C | 02 28 05.40 | +24 12 40.9 | – | r | H45 |
| 2006-10-03 09:14:22 | C | 02 28 05.30 | +24 12 41.2 | – | r | H45 |
| 2006-10-03 09:16:16 | C | 02 28 05.08 | +24 12 42.2 | – | r | H45 |
| 2006-10-03 09:17:28 | C | 02 28 04.94 | +24 12 42.7 | – | r | H45 |
| 2006-10-06 23:48:22 | C | 02 18 09.67 | +24 51 44.6 | 17.3 | r | 084 |
| 2006-10-06 23:53:33 | C | 02 18 09.00 | +24 51 46.3 | 17.7 | r | 084 |
| 2006-10-11 20:48:16 | C | 02 03 48.53 | +25 32 20.8 | 16.9 | r | 084 |
| 2006-10-11 20:53:27 | C | 02 03 47.88 | +25 32 22.5 | 17.1 | r | 084 |
| 2006-10-12 20:28:11 | C | 02 00 49.54 | +25 38 43.5 | – | r | 240 |
| 2006-10-12 20:30:06 | C | 02 00 49.28 | +25 38 44.0 | – | r | 240 |
| 2006-10-12 20:32:01 | C | 02 00 49.03 | +25 38 44.6 | – | r | 240 |
| 2006-10-12 20:33:56 | C | 02 00 48.77 | +25 38 45.2 | – | r | 240 |
| 2006-10-12 20:37:45 | C | 02 00 48.27 | +25 38 46.1 | – | r | 240 |
| 2006-10-12 20:43:29 | C | 02 00 47.51 | +25 38 47.6 | – | r | 240 |
| 2006-10-12 20:45:24 | C | 02 00 47.26 | +25 38 48.3 | – | r | 240 |
| 2006-10-12 21:21:51 | C | 02 00 42.28 | +25 38 56.0 | 17.1 | r | 084 |
| 2006-10-18 18:28:30 | C | 01 42 44.46 | +26 03 11.8 | 16.9 | r | 084 |
| 2006-10-18 18:33:41 | C | 01 42 43.73 | +26 03 12.3 | 16.8 | r | 084 |
| 2006-10-19 06:20:15 | C | 01 41 14.35 | +26 04 20.2 | – | r | 703 |
| 2006-10-19 06:32:37 | C | 01 41 12.69 | +26 04 21.4 | – | r | 703 |
| 2006-10-19 06:45:00 | C | 01 41 11.11 | +26 04 22.5 | – | r | 703 |
| 2006-10-19 06:57:23 | C | 01 41 09.45 | +26 04 23.5 | – | r | 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 |