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 |
|---|---|---|---|---|---|---|
| 2020-12-08 06:51:32 | C | 01 11 39.06 | +32 04 54.0 | – | V | T05 |
| 2020-12-08 06:56:09 | C | 01 11 39.00 | +32 04 52.1 | – | V | T05 |
| 2020-12-08 07:05:22 | C | 01 11 38.82 | +32 04 49.2 | – | V | T05 |
| 2020-12-08 07:20:17 | C | 01 11 38.47 | +32 04 43.5 | – | V | T05 |
| 2020-12-09 07:38:02 | C | 01 11 14.472 | +31 56 46.24 | – | U | F51 |
| 2020-12-09 07:55:23 | C | 01 11 14.157 | +31 56 40.49 | – | U | F51 |
| 2020-12-09 08:12:44 | C | 01 11 13.848 | +31 56 34.73 | – | U | F51 |
| 2020-12-09 08:30:13 | C | 01 11 13.533 | +31 56 28.90 | – | U | F51 |
| 2020-12-12 07:55:05 | C | 01 10 27.48 | +31 34 26.4 | – | V | T05 |
| 2020-12-12 08:00:21 | C | 01 10 27.40 | +31 34 24.1 | – | V | T05 |
| 2020-12-12 08:20:52 | C | 01 10 27.17 | +31 34 17.5 | – | V | T05 |
| 2020-12-12 08:30:05 | C | 01 10 27.16 | +31 34 15.3 | – | V | T05 |
| 2020-12-14 07:49:53 | C | 01 10 15.62 | +31 20 48.3 | – | V | T08 |
| 2020-12-14 07:55:28 | C | 01 10 15.60 | +31 20 47.9 | – | V | T08 |
| 2020-12-14 08:31:01 | C | 01 10 15.54 | +31 20 37.2 | – | V | T08 |
| 2020-12-14 08:51:16 | C | 01 10 15.36 | +31 20 30.8 | – | V | T08 |
| 2020-12-17 04:18:42 | C | 01 10 24.03 | +31 03 03.6 | – | V | G96 |
| 2020-12-17 04:26:08 | C | 01 10 24.05 | +31 03 01.7 | – | V | G96 |
| 2020-12-17 04:33:35 | C | 01 10 24.07 | +31 02 59.9 | – | V | G96 |
| 2020-12-17 04:41:01 | C | 01 10 24.09 | +31 02 57.9 | – | V | G96 |
| 2020-12-22 05:58:32 | C | 01 11 46.35 | +30 36 50.1 | – | V | T08 |
| 2020-12-22 06:03:11 | C | 01 11 46.41 | +30 36 49.4 | – | V | T08 |
| 2020-12-22 06:30:12 | C | 01 11 46.78 | +30 36 43.7 | – | V | T08 |
| 2020-12-22 06:43:41 | C | 01 11 46.97 | +30 36 41.3 | – | V | T08 |
| 2020-12-29 05:42:46 | C | 01 15 43.971 | +30 11 28.94 | – | U | F52 |
| 2020-12-29 05:58:04 | C | 01 15 44.391 | +30 11 27.05 | – | U | F52 |
| 2020-12-29 06:13:17 | C | 01 15 44.799 | +30 11 25.18 | – | U | F52 |
| 2020-12-29 06:28:31 | C | 01 15 45.219 | +30 11 23.36 | – | U | F52 |
| 2020-12-30 05:27:16 | C | 01 16 28.026 | +30 08 52.23 | – | U | F51 |
| 2020-12-30 05:43:03 | C | 01 16 28.488 | +30 08 50.60 | – | U | F51 |
| 2020-12-30 05:59:33 | C | 01 16 28.960 | +30 08 48.80 | – | U | F51 |
| 2020-12-30 06:14:58 | C | 01 16 29.411 | +30 08 46.99 | – | U | F51 |
| 2021-01-02 02:58:11 | C | 01 18 50.38 | +30 02 31.3 | – | U | I41 |
| 2021-01-02 03:17:29 | C | 01 18 51.06 | +30 02 29.8 | – | U | I41 |
| 2021-01-03 07:42:42 | C | 01 19 54.617 | +30 00 28.96 | – | U | F52 |
| 2021-01-03 08:02:04 | C | 01 19 55.314 | +30 00 27.37 | – | U | F52 |
| 2021-01-04 04:20:15 | C | 01 20 43.02 | +29 59 11.1 | – | U | I41 |
| 2021-01-04 04:51:09 | C | 01 20 44.18 | +29 59 09.1 | – | U | I41 |
| 2021-01-04 04:59:40 | C | 01 20 44.49 | +29 59 08.5 | – | U | I41 |
| 2021-01-05 04:12:56 | C | 01 21 40.90 | +29 57 54.6 | – | U | I41 |
| 2021-01-05 04:42:46 | C | 01 21 42.07 | +29 57 52.8 | – | U | I41 |
| 2021-01-06 02:51:06 | C | 01 22 37.90 | +29 56 54.2 | – | U | I41 |
| 2021-01-06 03:49:27 | C | 01 22 40.24 | +29 56 51.4 | – | U | I41 |
| 2021-01-06 04:17:29 | C | 01 22 41.39 | +29 56 50.3 | – | U | I41 |
| 2021-01-06 04:28:00 | C | 01 22 41.75 | +29 56 48.9 | – | V | 703 |
| 2021-01-06 04:36:16 | C | 01 22 42.04 | +29 56 49.1 | – | V | 703 |
| 2021-01-06 04:44:31 | C | 01 22 42.46 | +29 56 48.7 | – | V | 703 |
| 2021-01-06 04:52:47 | C | 01 22 42.70 | +29 56 49.7 | – | V | 703 |
| 2021-01-06 05:23:40 | C | 01 22 44.10 | +29 56 47.0 | – | U | I41 |
| 2021-01-07 03:47:39 | C | 01 23 42.52 | +29 56 00.1 | – | U | I41 |
| 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 |