| 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 |
|---|---|---|---|---|---|---|
| 2006-10-20 06:15:05 | C | 01 38 14.10 | +26 05 53.8 | 17.2 | c | 704 |
| 2006-10-20 06:32:22 | C | 01 38 11.84 | +26 05 54.9 | 17.2 | c | 704 |
| 2006-10-20 06:49:09 | C | 01 38 09.65 | +26 05 55.7 | 17.4 | c | 704 |
| 2006-10-20 07:05:50 | C | 01 38 07.54 | +26 05 56.9 | 17.4 | c | 704 |
| 2006-10-20 07:22:47 | C | 01 38 05.32 | +26 05 57.5 | 17.2 | c | 704 |
| 2006-10-22 08:59:15 | C | 01 31 57.28 | +26 07 12.0 | – | o | 644 |
| 2006-10-22 09:28:55 | C | 01 31 53.55 | +26 07 11.6 | – | o | 644 |
| 2006-10-22 09:58:34 | C | 01 31 49.84 | +26 07 11.2 | – | o | 644 |
| 2006-10-23 07:04:28 | C | 01 29 17.10 | +26 06 58.0 | – | o | 644 |
| 2006-10-23 07:36:40 | C | 01 29 13.09 | +26 06 57.1 | – | o | 644 |
| 2006-10-23 08:07:09 | C | 01 29 09.29 | +26 06 56.4 | – | o | 644 |
| 2006-10-26 20:53:56 | C | 01 19 16.68 | +26 01 43.1 | – | r | 240 |
| 2006-10-26 20:55:51 | C | 01 19 16.45 | +26 01 43.0 | – | r | 240 |
| 2006-10-26 20:57:46 | C | 01 19 16.24 | +26 01 42.7 | – | r | 240 |
| 2006-10-26 20:59:40 | C | 01 19 16.03 | +26 01 42.5 | – | r | 240 |
| 2006-10-26 21:01:35 | C | 01 19 15.81 | +26 01 42.2 | – | r | 240 |
| 2006-10-26 21:03:31 | C | 01 19 15.58 | +26 01 42.0 | – | r | 240 |
| 2006-10-26 21:05:26 | C | 01 19 15.36 | +26 01 42.0 | – | r | 240 |
| 2006-10-26 21:07:21 | C | 01 19 15.13 | +26 01 41.9 | – | r | 240 |
| 2006-10-27 05:36:36 | C | 01 18 18.00 | +26 00 55.1 | – | r | 703 |
| 2006-10-27 05:45:55 | C | 01 18 16.92 | +26 00 54.2 | – | r | 703 |
| 2006-10-27 05:55:18 | C | 01 18 15.84 | +26 00 53.3 | – | r | 703 |
| 2006-10-27 06:04:39 | C | 01 18 14.76 | +26 00 52.6 | – | r | 703 |
| 2006-10-30 01:40:36 | C | 01 10 57.39 | +25 52 07.2 | 15.9 | r | 084 |
| 2006-10-30 01:45:47 | C | 01 10 56.83 | +25 52 06.1 | 16.1 | r | 084 |
| 2006-11-10 20:13:37 | C | 00 47 05.28 | +24 54 15.6 | – | r | 106 |
| 2006-11-10 20:24:35 | C | 00 47 04.57 | +24 54 13.3 | – | r | 106 |
| 2006-11-10 20:35:32 | C | 00 47 03.86 | +24 54 10.8 | – | r | 106 |
| 2006-11-10 20:46:27 | C | 00 47 03.09 | +24 54 08.2 | – | r | 106 |
| 2006-11-15 03:45:50 | C | 00 41 10.28 | +24 30 13.1 | – | r | 703 |
| 2006-11-15 03:55:15 | C | 00 41 09.81 | +24 30 11.0 | – | r | 703 |
| 2006-11-15 04:04:36 | C | 00 41 09.31 | +24 30 09.0 | – | r | 703 |
| 2006-11-15 04:14:01 | C | 00 41 08.80 | +24 30 06.9 | – | r | 703 |
| 2006-11-16 04:29:46 | C | 00 39 58.60 | +24 24 36.0 | 18.3 | c | 704 |
| 2006-11-16 04:47:38 | C | 00 39 57.65 | +24 24 32.1 | 18.7 | c | 704 |
| 2006-11-16 05:05:30 | C | 00 39 56.79 | +24 24 27.4 | 18.6 | c | 704 |
| 2006-11-16 05:23:28 | C | 00 39 55.90 | +24 24 23.2 | 18.4 | c | 704 |
| 2006-11-16 05:41:24 | C | 00 39 55.07 | +24 24 19.8 | 18.5 | c | 704 |
| 2006-11-17 21:16:51 | C | 00 38 11.73 | +24 15 30.7 | – | r | 170 |
| 2006-11-17 21:19:18 | C | 00 38 11.59 | +24 15 30.0 | – | r | 170 |
| 2006-11-17 21:23:36 | C | 00 38 11.38 | +24 15 29.3 | – | r | 170 |
| 2006-11-20 16:49:48 | C | 00 35 44.29 | +24 01 14.9 | – | c | A94 |
| 2006-11-20 17:00:48 | C | 00 35 43.91 | +24 01 12.6 | – | c | A94 |
| 2006-11-20 17:12:40 | C | 00 35 43.56 | +24 01 10.6 | – | c | A94 |
| 2006-11-22 04:05:26 | C | 00 34 40.62 | +23 54 19.8 | – | r | 703 |
| 2006-11-22 04:19:18 | C | 00 34 40.22 | +23 54 17.0 | – | r | 703 |
| 2006-11-22 04:33:08 | C | 00 34 39.79 | +23 54 14.1 | – | r | 703 |
| 2006-11-22 04:46:57 | C | 00 34 39.36 | +23 54 11.7 | – | r | 703 |
| 2006-11-27 19:41:52 | C | 00 32 01.77 | +23 31 02.5 | – | c | B15 |
| 2006-11-27 19:48:49 | C | 00 32 01.63 | +23 31 01.6 | – | c | B15 |
| 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 |