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 |
|---|---|---|---|---|---|---|
| 1995-12-09 22:10:26 | C | 03 29 34.46 | +52 12 15.7 | – | z | 595 |
| 1995-12-09 22:35:17 | C | 03 29 31.23 | +52 12 07.2 | – | z | 595 |
| 1995-12-14 08:29:11 | C | 03 16 47.19 | +51 31 28.7 | – | c | 608 |
| 1995-12-16 08:10:56 | C | 03 11 38.82 | +51 09 18.7 | – | c | 608 |
| 1995-12-16 08:48:02 | C | 03 11 34.77 | +51 09 01.0 | – | c | 608 |
| 1995-12-19 07:28:54 | C | 03 04 43.32 | +50 32 47.7 | – | c | 566 |
| 1995-12-19 07:55:57 | C | 03 04 40.69 | +50 32 33.2 | – | c | 566 |
| 1995-12-19 08:23:01 | C | 03 04 38.06 | +50 32 18.8 | – | c | 566 |
| 1995-12-20 06:45:10 | C | 03 02 40.04 | +50 20 11.7 | – | c | 566 |
| 1995-12-20 07:11:57 | C | 03 02 37.54 | +50 19 57.4 | – | c | 566 |
| 1995-12-20 07:41:45 | C | 03 02 34.83 | +50 19 40.4 | – | c | 566 |
| 1995-12-20 08:23:52 | C | 03 02 31.05 | +50 19 17.7 | – | c | 608 |
| 1995-12-20 08:48:08 | C | 03 02 28.77 | +50 19 03.9 | – | c | 608 |
| 1995-12-22 04:52:20 | C | 02 58 53.87 | +49 54 19.1 | – | t | 566 |
| 1995-12-22 05:19:33 | C | 02 58 51.64 | +49 54 04.1 | – | t | 566 |
| 1995-12-22 05:46:45 | C | 02 58 49.41 | +49 53 49.0 | – | t | 566 |
| 1995-12-23 05:03:02 | C | 02 57 04.06 | +49 40 20.9 | – | z | 658 |
| 1995-12-23 05:08:59 | C | 02 57 03.60 | +49 40 17.4 | – | z | 658 |
| 1995-12-23 05:13:45 | C | 02 57 03.19 | +49 40 14.5 | – | z | 658 |
| 1995-12-24 05:05:42 | C | 02 55 22.11 | +49 26 19.5 | – | z | 658 |
| 1995-12-24 05:12:00 | C | 02 55 21.66 | +49 26 15.5 | – | z | 658 |
| 1995-12-24 05:16:18 | C | 02 55 21.39 | +49 26 13.9 | – | z | 658 |
| 1996-01-10 02:23:29 | C | 02 41 54.36 | +45 30 41.3 | – | z | 658 |
| 1996-01-10 02:28:58 | C | 02 41 54.31 | +45 30 38.8 | – | z | 658 |
| 1996-01-10 02:34:30 | C | 02 41 54.25 | +45 30 35.5 | – | z | 658 |
| 1996-01-12 05:21:33 | C | 02 41 58.45 | +45 03 55.4 | – | z | 658 |
| 1996-01-12 05:27:50 | C | 02 41 58.48 | +45 03 52.1 | – | z | 658 |
| 1996-01-12 05:32:07 | C | 02 41 58.50 | +45 03 49.9 | – | z | 658 |
| 1996-01-16 09:27:00 | C | 02 43 04.32 | +44 14 24.9 | – | t | 566 |
| 1996-01-16 10:03:39 | C | 02 43 04.95 | +44 14 06.9 | – | t | 566 |
| 1996-02-29 04:27:08 | C | 03 46 50.67 | +39 16 04.5 | – | z | 658 |
| 1996-02-29 04:32:50 | C | 03 46 51.22 | +39 16 03.5 | – | z | 658 |
| 1996-02-29 04:38:23 | C | 03 46 51.72 | +39 16 02.4 | – | z | 658 |
| 1996-03-14 04:22:35 | C | 04 20 13.36 | +38 21 24.1 | – | z | 658 |
| 1996-03-14 04:32:51 | C | 04 20 14.46 | +38 21 23.1 | – | z | 658 |
| 1996-11-01 11:36:03 | C | 20 11 58.51 | -26 24 32.6 | – | – | 413 |
| 1996-11-01 11:39:32 | C | 20 11 59.07 | -26 24 28.8 | – | – | 413 |
| 1996-11-02 11:33:31 | C | 20 15 58.33 | -25 56 36.8 | – | – | 413 |
| 1996-11-02 11:38:30 | C | 20 15 59.11 | -25 56 30.7 | – | – | 413 |
| 1998-11-25 03:35:00 | C | 10 07 10.99 | +37 49 03.5 | 19.5 | a | 561 |
| 1998-11-25 03:38:04 | C | 10 07 11.29 | +37 49 03.8 | – | a | 561 |
| 1998-11-25 03:40:59 | C | 10 07 11.55 | +37 49 03.5 | – | a | 561 |
| 1998-11-25 03:43:30 | C | 10 07 11.85 | +37 49 04.4 | – | a | 561 |
| 1999-01-13 12:08:44 | C | 11 55 13.75 | +44 36 51.8 | 18.3 | a | 704 |
| 1999-01-13 12:23:42 | C | 11 55 14.86 | +44 37 02.6 | – | a | 704 |
| 1999-01-13 12:38:57 | C | 11 55 16.02 | +44 37 12.5 | 17.8 | a | 704 |
| 1999-01-13 12:54:05 | C | 11 55 17.13 | +44 37 22.8 | 18.0 | a | 704 |
| 1999-01-13 13:09:03 | C | 11 55 18.22 | +44 37 32.0 | 18.3 | a | 704 |
| 1999-01-22 23:15:39 | C | 12 12 04.16 | +47 15 53.1 | 17.0 | – | 561 |
| 1999-01-22 23:19:00 | C | 12 12 04.38 | +47 15 55.6 | – | – | 561 |
| 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 |