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 |
|---|---|---|---|---|---|---|
| 2005-12-07 10:46:16 | C | 10 59 43.04 | +34 18 42.7 | – | r | 703 |
| 2005-12-07 10:58:04 | C | 10 59 44.30 | +34 18 41.9 | – | r | 703 |
| 2005-12-07 11:10:03 | C | 10 59 45.56 | +34 18 42.2 | – | r | 703 |
| 2005-12-17 08:49:22 | C | 11 25 25.58 | +34 14 27.5 | – | o | 699 |
| 2005-12-17 09:10:21 | C | 11 25 27.82 | +34 14 29.3 | – | o | 699 |
| 2005-12-17 09:31:21 | C | 11 25 29.98 | +34 14 28.1 | – | o | 699 |
| 2005-12-17 09:52:21 | C | 11 25 32.24 | +34 14 29.1 | – | o | 699 |
| 2005-12-24 09:41:34 | C | 11 43 46.89 | +34 14 33.7 | 19.1 | c | 704 |
| 2005-12-24 10:00:41 | C | 11 43 48.93 | +34 14 33.7 | 18.4 | c | 704 |
| 2005-12-24 10:20:01 | C | 11 43 50.90 | +34 14 34.1 | 19.0 | c | 704 |
| 2005-12-24 10:38:48 | C | 11 43 52.96 | +34 14 34.6 | 19.3 | c | 704 |
| 2005-12-24 10:57:48 | C | 11 43 54.91 | +34 14 35.6 | 19.5 | c | 704 |
| 2006-01-07 10:01:13 | C | 12 20 58.28 | +34 21 56.2 | 17.7 | c | 704 |
| 2006-01-07 10:19:43 | C | 12 21 00.23 | +34 21 57.1 | 17.8 | c | 704 |
| 2006-01-07 10:38:26 | C | 12 21 02.32 | +34 21 57.9 | 18.2 | c | 704 |
| 2006-01-07 10:50:47 | C | 12 21 03.63 | +34 21 57.1 | – | r | 703 |
| 2006-01-07 10:56:47 | C | 12 21 04.26 | +34 21 58.3 | 18.1 | c | 704 |
| 2006-01-07 10:58:37 | C | 12 21 04.42 | +34 21 57.6 | – | r | 703 |
| 2006-01-07 11:06:37 | C | 12 21 05.36 | +34 21 57.8 | – | r | 703 |
| 2006-01-07 11:14:36 | C | 12 21 06.22 | +34 21 58.6 | – | r | 703 |
| 2006-01-07 11:15:15 | C | 12 21 06.32 | +34 21 59.2 | 18.5 | c | 704 |
| 2006-01-11 08:42:01 | C | 12 31 43.64 | +34 24 42.8 | – | r | 703 |
| 2006-01-11 08:51:14 | C | 12 31 44.65 | +34 24 42.7 | – | r | 703 |
| 2006-01-11 09:00:31 | C | 12 31 45.66 | +34 24 43.7 | – | r | 703 |
| 2006-01-11 09:09:45 | C | 12 31 46.66 | +34 24 44.1 | – | r | 703 |
| 2006-01-12 23:23:29 | C | 12 36 10.32 | +34 25 41.1 | – | r | 084 |
| 2006-01-20 01:28:43 | C | 12 56 16.44 | +34 28 59.5 | – | r | 084 |
| 2006-01-20 01:32:52 | C | 12 56 16.94 | +34 28 59.3 | – | r | 084 |
| 2006-01-22 08:23:04 | C | 13 03 00.25 | +34 29 13.2 | – | o | H89 |
| 2006-01-22 09:27:08 | C | 13 03 07.87 | +34 29 13.9 | – | o | H89 |
| 2006-01-22 10:18:07 | C | 13 03 13.88 | +34 29 14.4 | – | o | H89 |
| 2006-02-05 01:25:22 | C | 13 47 24.23 | +34 05 42.0 | 16.6 | r | 130 |
| 2006-02-05 01:26:29 | C | 13 47 24.40 | +34 05 41.7 | 16.7 | r | 130 |
| 2006-02-05 01:27:35 | C | 13 47 24.56 | +34 05 41.4 | 16.6 | r | 130 |
| 2006-02-05 01:28:42 | C | 13 47 24.73 | +34 05 41.3 | 16.8 | r | 130 |
| 2006-02-05 01:29:15 | C | 13 47 24.80 | +34 05 41.2 | 16.7 | r | 130 |
| 2006-02-06 09:57:26 | C | 13 52 21.98 | +33 59 21.3 | 16.5 | c | 704 |
| 2006-02-06 10:15:35 | C | 13 52 24.59 | +33 59 17.1 | 16.4 | c | 704 |
| 2006-02-06 10:34:06 | C | 13 52 27.31 | +33 59 13.9 | 16.3 | c | 704 |
| 2006-02-06 10:52:45 | C | 13 52 30.04 | +33 59 09.8 | 16.5 | c | 704 |
| 2006-02-06 11:11:14 | C | 13 52 32.77 | +33 59 06.6 | 17.0 | c | 704 |
| 2006-02-07 00:06:08 | C | 13 54 33.85 | +33 55 56.9 | – | r | 084 |
| 2006-02-07 00:10:16 | C | 13 54 34.48 | +33 55 56.8 | – | r | 084 |
| 2006-02-20 10:15:55 | C | 14 56 12.56 | +31 02 20.5 | 15.5 | c | 704 |
| 2006-02-20 10:35:13 | C | 14 56 16.99 | +31 02 01.9 | 15.7 | c | 704 |
| 2006-02-20 10:54:32 | C | 14 56 21.35 | +31 01 43.0 | 15.7 | c | 704 |
| 2006-02-20 11:13:30 | C | 14 56 25.74 | +31 01 24.0 | 15.7 | c | 704 |
| 2006-02-20 11:32:39 | C | 14 56 30.11 | +31 01 04.6 | 15.9 | c | 704 |
| 2006-03-03 11:29:31 | C | 16 18 11.73 | +22 43 08.3 | – | r | 703 |
| 2006-03-03 11:41:19 | C | 16 18 16.20 | +22 42 31.7 | – | 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 |