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 |
|---|---|---|---|---|---|---|
| 2006-11-28 03:41:53 | C | 00 31 56.28 | +23 29 57.0 | – | o | 704 |
| 2006-11-28 04:00:32 | C | 00 31 56.05 | +23 29 53.4 | – | o | 704 |
| 2006-11-28 04:19:18 | C | 00 31 55.85 | +23 29 50.5 | – | o | 704 |
| 2006-11-28 04:38:02 | C | 00 31 55.55 | +23 29 47.4 | – | o | 704 |
| 2006-12-12 17:48:56 | C | 00 34 02.12 | +23 01 49.6 | – | c | B15 |
| 2006-12-12 17:54:13 | C | 00 34 02.20 | +23 01 50.4 | – | c | B15 |
| 2006-12-14 03:05:31 | C | 00 34 46.08 | +23 01 35.2 | – | o | 644 |
| 2006-12-14 03:36:43 | C | 00 34 46.73 | +23 01 34.9 | – | o | 644 |
| 2006-12-14 04:07:33 | C | 00 34 47.36 | +23 01 34.6 | – | o | 644 |
| 2007-01-07 01:48:38 | C | 00 58 05.59 | +23 53 54.5 | – | r | H45 |
| 2007-01-07 02:00:18 | C | 00 58 06.21 | +23 53 55.5 | – | r | H45 |
| 2007-01-07 02:02:40 | C | 00 58 06.30 | +23 53 55.9 | – | r | H45 |
| 2007-01-07 02:05:07 | C | 00 58 06.41 | +23 53 56.3 | – | r | H45 |
| 2009-11-08 08:49:18 | C | 06 20 11.29 | +49 18 27.5 | 18.7 | c | 704 |
| 2009-11-08 09:09:52 | C | 06 20 10.75 | +49 18 45.4 | 18.5 | c | 704 |
| 2009-11-08 09:30:27 | C | 06 20 10.01 | +49 19 02.7 | 19.0 | c | 704 |
| 2009-11-29 04:46:19 | C | 05 42 50.28 | +55 52 30.9 | – | o | 932 |
| 2009-11-29 04:48:29 | C | 05 42 50.05 | +55 52 32.5 | – | o | 932 |
| 2009-11-29 04:50:38 | C | 05 42 49.77 | +55 52 33.8 | – | o | 932 |
| 2010-02-18 06:35:11 | S | 03 53 24.46 | +44 11 18.3 | – | L | C51 |
| 2010-02-18 09:45:42 | S | 03 53 37.99 | +44 09 57.3 | – | L | C51 |
| 2010-02-18 12:56:12 | S | 03 53 51.55 | +44 08 36.7 | – | L | C51 |
| 2010-02-18 16:06:44 | S | 03 54 05.15 | +44 07 15.4 | – | L | C51 |
| 2010-02-18 17:42:05 | S | 03 54 12.14 | +44 06 34.0 | – | L | C51 |
| 2010-02-18 19:17:15 | S | 03 54 18.76 | +44 05 55.1 | – | L | C51 |
| 2010-02-18 19:17:26 | S | 03 54 18.73 | +44 05 54.5 | – | L | C51 |
| 2010-02-18 20:52:36 | S | 03 54 25.60 | +44 05 14.0 | – | L | C51 |
| 2010-02-18 22:27:57 | S | 03 54 32.39 | +44 04 33.8 | – | L | C51 |
| 2010-02-19 00:03:07 | S | 03 54 39.36 | +44 03 53.5 | – | L | C51 |
| 2010-02-19 03:13:38 | S | 03 54 53.08 | +44 02 34.1 | – | L | C51 |
| 2010-02-19 03:13:49 | S | 03 54 53.12 | +44 02 31.7 | – | L | C51 |
| 2010-02-19 06:24:20 | S | 03 55 06.82 | +44 01 12.9 | – | L | C51 |
| 2010-02-19 09:34:51 | S | 03 55 20.69 | +43 59 52.2 | – | L | C51 |
| 2010-02-19 12:45:22 | S | 03 55 34.62 | +43 58 32.7 | – | L | C51 |
| 2010-02-19 15:55:53 | S | 03 55 48.37 | +43 57 11.9 | – | L | C51 |
| 2010-02-22 16:58:32 | S | 04 01 20.093 | +43 27 11.95 | – | L | C51 |
| 2010-02-22 20:09:03 | S | 04 01 34.992 | +43 25 54.37 | – | L | C51 |
| 2010-10-25 18:47:26 | S | 20 44 30.814 | -23 45 59.29 | – | L | C51 |
| 2010-10-26 01:08:28 | S | 20 45 23.117 | -23 37 14.27 | – | L | C51 |
| 2010-10-26 07:29:19 | S | 20 46 15.134 | -23 28 29.28 | – | L | C51 |
| 2010-10-26 10:39:50 | S | 20 46 41.04 | -23 24 10.0 | – | L | C51 |
| 2010-10-26 13:50:21 | S | 20 47 06.86 | -23 19 48.8 | – | L | C51 |
| 2010-10-26 23:21:43 | S | 20 48 23.96 | -23 06 49.4 | – | L | C51 |
| 2010-10-27 08:53:17 | S | 20 49 40.61 | -22 53 53.7 | – | L | C51 |
| 2010-10-27 12:03:36 | S | 20 50 05.90 | -22 49 35.2 | – | L | C51 |
| 2010-10-27 12:03:48 | S | 20 50 06.00 | -22 49 36.1 | – | L | C51 |
| 2010-10-27 15:14:08 | S | 20 50 31.38 | -22 45 18.0 | – | L | C51 |
| 2010-10-27 20:00:00 | S | 20 51 09.293 | -22 38 52.94 | – | L | C51 |
| 2010-10-27 23:10:20 | S | 20 51 34.399 | -22 34 36.91 | – | L | C51 |
| 2010-10-28 00:45:41 | S | 20 51 47.033 | -22 32 29.40 | – | L | C51 |
| 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 |