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 |
|---|---|---|---|---|---|---|
| 2020-10-14 10:54:50 | C | 03 11 02.10 | +34 37 11.4 | – | V | T05 |
| 2020-10-15 13:43:04 | C | 03 08 16.98 | +34 50 51.1 | – | V | T08 |
| 2020-10-15 14:33:48 | C | 03 08 11.50 | +34 51 15.4 | – | V | T08 |
| 2020-10-15 15:14:47 | C | 03 08 07.11 | +34 51 34.8 | – | V | T08 |
| 2020-10-15 15:29:08 | C | 03 08 05.59 | +34 51 41.5 | – | V | T08 |
| 2020-10-16 07:05:17 | C | 03 06 28.50 | +34 59 16.9 | – | V | 703 |
| 2020-10-16 07:12:46 | C | 03 06 27.67 | +34 59 20.8 | – | V | 703 |
| 2020-10-16 07:20:15 | C | 03 06 26.85 | +34 59 24.3 | – | V | 703 |
| 2020-10-16 07:27:45 | C | 03 06 25.97 | +34 59 27.1 | – | V | 703 |
| 2020-10-17 11:41:27 | C | 03 03 23.38 | +35 12 38.1 | – | V | T05 |
| 2020-10-17 11:46:24 | C | 03 03 22.82 | +35 12 40.1 | – | V | T05 |
| 2020-10-17 12:32:08 | C | 03 03 17.59 | +35 13 00.6 | – | V | T05 |
| 2020-10-17 12:42:01 | C | 03 03 16.48 | +35 13 05.0 | – | V | T05 |
| 2020-10-19 10:26:55 | C | 02 58 10.09 | +35 32 27.2 | – | V | T08 |
| 2020-10-19 11:00:41 | C | 02 58 06.11 | +35 32 40.7 | – | V | T08 |
| 2020-10-19 11:04:03 | C | 02 58 05.69 | +35 32 41.8 | – | V | T08 |
| 2020-10-19 11:08:01 | C | 02 58 05.21 | +35 32 43.5 | – | V | T08 |
| 2020-10-20 04:01:52 | C | 02 56 09.11 | +35 39 10.8 | – | V | W33 |
| 2020-10-20 04:04:43 | C | 02 56 08.74 | +35 39 11.9 | – | V | W33 |
| 2020-10-20 04:07:35 | C | 02 56 08.39 | +35 39 13.1 | – | V | W33 |
| 2020-10-22 07:15:14 | C | 02 50 06.23 | +35 56 55.2 | – | V | G96 |
| 2020-10-22 07:22:45 | C | 02 50 05.30 | +35 56 57.7 | – | V | G96 |
| 2020-10-22 07:30:15 | C | 02 50 04.38 | +35 57 00.1 | – | V | G96 |
| 2020-10-22 07:37:45 | C | 02 50 03.44 | +35 57 02.5 | – | V | G96 |
| 2020-10-23 06:03:50 | C | 02 47 21.25 | +36 03 44.8 | – | V | 703 |
| 2020-10-23 06:11:21 | C | 02 47 20.26 | +36 03 47.1 | – | V | 703 |
| 2020-10-23 06:18:53 | C | 02 47 19.35 | +36 03 49.6 | – | V | 703 |
| 2020-10-24 10:57:45 | C | 02 43 48.56 | +36 11 31.4 | – | V | T08 |
| 2020-10-24 11:02:23 | C | 02 43 47.98 | +36 11 32.6 | – | V | T08 |
| 2020-10-24 11:10:21 | C | 02 43 46.96 | +36 11 34.5 | – | V | T08 |
| 2020-10-24 11:24:30 | C | 02 43 45.14 | +36 11 38.3 | – | V | T08 |
| 2020-10-26 10:06:52 | C | 02 37 57.325 | +36 21 45.28 | – | U | F52 |
| 2020-10-26 10:23:32 | C | 02 37 55.164 | +36 21 48.45 | – | U | F52 |
| 2020-10-26 10:40:11 | C | 02 37 53.002 | +36 21 51.55 | – | U | F52 |
| 2020-10-26 10:51:07 | C | 02 37 51.56 | +36 21 53.8 | – | V | T05 |
| 2020-10-26 10:55:13 | C | 02 37 51.05 | +36 21 54.3 | – | V | T05 |
| 2020-10-26 10:56:50 | C | 02 37 50.836 | +36 21 54.61 | – | U | F52 |
| 2020-10-26 11:02:36 | C | 02 37 50.10 | +36 21 55.4 | – | V | T05 |
| 2020-10-26 11:16:45 | C | 02 37 48.23 | +36 21 58.3 | – | V | T05 |
| 2020-10-28 05:46:51 | C | 02 32 28.31 | +36 28 32.9 | – | V | 703 |
| 2020-10-28 05:54:30 | C | 02 32 27.32 | +36 28 33.3 | – | V | 703 |
| 2020-10-28 06:02:07 | C | 02 32 26.32 | +36 28 34.5 | – | V | 703 |
| 2020-10-28 06:09:44 | C | 02 32 25.34 | +36 28 36.3 | – | V | 703 |
| 2020-11-01 00:25:30 | C | 02 21 02.26 | +36 34 37.1 | – | V | J27 |
| 2020-11-01 00:47:58 | C | 02 20 59.39 | +36 34 37.3 | – | V | J27 |
| 2020-11-01 00:52:22 | C | 02 20 58.83 | +36 34 37.3 | – | V | J27 |
| 2020-11-03 10:49:18 | C | 02 13 46.31 | +36 32 58.6 | – | V | T05 |
| 2020-11-03 10:53:56 | C | 02 13 45.74 | +36 32 58.3 | – | V | T05 |
| 2020-11-03 11:03:12 | C | 02 13 44.57 | +36 32 57.8 | – | V | T05 |
| 2020-11-03 11:19:42 | C | 02 13 42.46 | +36 32 56.4 | – | V | T05 |
| 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 |