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 |
|---|---|---|---|---|---|---|
| 2020-09-02 13:20:32 | C | 03 44 19.431 | +22 52 33.36 | – | U | F52 |
| 2020-09-02 13:22:52 | C | 03 44 19.479 | +22 52 35.11 | – | U | F51 |
| 2020-09-02 13:39:50 | C | 03 44 19.807 | +22 52 47.39 | – | U | F51 |
| 2020-09-02 13:40:57 | C | 03 44 19.829 | +22 52 48.31 | – | U | F52 |
| 2020-09-02 13:57:02 | C | 03 44 20.143 | +22 52 59.92 | – | U | F51 |
| 2020-09-05 10:31:07 | C | 03 45 40.00 | +23 42 29.4 | – | V | 703 |
| 2020-09-05 10:38:58 | C | 03 45 40.21 | +23 42 36.1 | – | V | 703 |
| 2020-09-05 10:54:41 | C | 03 45 40.42 | +23 42 47.0 | – | V | 703 |
| 2020-09-13 13:24:47 | C | 03 47 12.43 | +26 05 08.2 | – | V | T08 |
| 2020-09-13 13:27:27 | C | 03 47 12.43 | +26 05 09.9 | – | V | T08 |
| 2020-09-13 13:32:06 | C | 03 47 12.41 | +26 05 13.6 | – | V | T08 |
| 2020-09-13 14:09:16 | C | 03 47 12.23 | +26 05 41.1 | – | V | T08 |
| 2020-09-16 09:42:56 | C | 03 46 51.27 | +26 55 34.6 | – | V | 703 |
| 2020-09-16 09:51:15 | C | 03 46 51.16 | +26 55 40.9 | – | V | 703 |
| 2020-09-16 09:59:36 | C | 03 46 51.07 | +26 55 47.5 | – | V | 703 |
| 2020-09-16 10:07:56 | C | 03 46 51.00 | +26 55 53.1 | – | V | 703 |
| 2020-09-17 11:47:30 | C | 03 46 35.16 | +27 14 56.7 | – | V | T08 |
| 2020-09-17 12:02:22 | C | 03 46 34.95 | +27 15 07.6 | – | V | T08 |
| 2020-09-17 12:41:15 | C | 03 46 34.41 | +27 15 37.3 | – | V | T08 |
| 2020-09-17 12:48:12 | C | 03 46 34.28 | +27 15 42.3 | – | V | T08 |
| 2020-09-18 10:56:30 | C | 03 46 16.45 | +27 32 04.9 | – | U | I41 |
| 2020-09-18 11:06:04 | C | 03 46 16.28 | +27 32 12.0 | – | U | I41 |
| 2020-09-18 12:08:40 | C | 03 46 15.17 | +27 32 58.4 | – | U | I41 |
| 2020-09-18 12:37:27 | C | 03 46 14.66 | +27 33 19.8 | – | U | I41 |
| 2020-09-19 01:23:50 | C | 03 46 03.11 | +27 42 45.1 | – | V | K88 |
| 2020-09-19 01:36:09 | C | 03 46 02.88 | +27 42 54.4 | – | V | K88 |
| 2020-09-19 01:48:25 | C | 03 46 02.64 | +27 43 03.5 | – | V | K88 |
| 2020-09-21 11:50:37 | C | 03 44 53.29 | +28 26 08.3 | – | V | G96 |
| 2020-09-21 11:56:53 | C | 03 44 53.13 | +28 26 13.0 | – | V | G96 |
| 2020-09-21 12:03:09 | C | 03 44 52.97 | +28 26 18.0 | – | V | G96 |
| 2020-09-21 12:09:24 | C | 03 44 52.79 | +28 26 21.8 | – | V | G96 |
| 2020-09-22 14:21:40 | C | 03 44 13.486 | +28 45 48.56 | – | U | F52 |
| 2020-09-22 14:33:07 | C | 03 44 13.136 | +28 45 57.03 | – | U | F52 |
| 2020-09-22 14:44:26 | C | 03 44 12.787 | +28 46 05.42 | – | U | F52 |
| 2020-09-22 14:55:41 | C | 03 44 12.446 | +28 46 13.67 | – | U | F52 |
| 2020-09-25 12:42:52 | C | 03 42 01.67 | +29 37 40.3 | – | V | T08 |
| 2020-09-25 12:46:13 | C | 03 42 01.53 | +29 37 43.1 | – | V | T08 |
| 2020-09-25 12:51:46 | C | 03 42 01.30 | +29 37 46.8 | – | V | T08 |
| 2020-09-25 13:04:53 | C | 03 42 00.79 | +29 37 56.9 | – | V | T08 |
| 2020-09-29 09:30:40 | C | 03 38 06.31 | +30 45 06.6 | – | V | G96 |
| 2020-09-29 09:38:09 | C | 03 38 05.91 | +30 45 12.0 | – | V | G96 |
| 2020-09-29 09:45:38 | C | 03 38 05.51 | +30 45 17.2 | – | V | G96 |
| 2020-09-29 09:53:09 | C | 03 38 05.12 | +30 45 22.8 | – | V | G96 |
| 2020-09-29 10:59:25 | C | 03 38 02.326 | +30 46 11.72 | – | U | F52 |
| 2020-09-29 11:16:57 | C | 03 38 01.405 | +30 46 24.74 | – | U | F52 |
| 2020-09-29 11:34:29 | C | 03 38 00.485 | +30 46 37.46 | – | U | F52 |
| 2020-09-29 11:52:05 | C | 03 37 59.557 | +30 46 50.27 | – | U | F52 |
| 2020-09-29 12:19:39 | C | 03 37 58.10 | +30 47 10.6 | – | V | T08 |
| 2020-09-29 12:22:22 | C | 03 37 57.96 | +30 47 12.7 | – | V | T08 |
| 2020-09-29 12:23:01 | C | 03 37 57.92 | +30 47 14.7 | – | V | T08 |
| 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 |