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 |
|---|---|---|---|---|---|---|
| 2023-12-12 09:38:27 | S | 07 12 31.301 | +58 41 57.41 | – | V | C57 |
| 2023-12-12 09:38:27 | s | 1 +229191.13 | 9 +172499.42 | 0.235 | – | C57 |
| 2023-12-12 09:58:27 | S | 07 12 29.371 | +58 42 17.35 | – | V | C57 |
| 2023-12-12 09:58:27 | s | 1 +229130.70 | 1 +173443.81 | 0.451 | – | C57 |
| 2023-12-12 10:18:27 | S | 07 12 27.588 | +58 42 33.88 | – | V | C57 |
| 2023-12-12 10:18:27 | s | 1 +229066.61 | 4 +174385.49 | 0.039 | – | C57 |
| 2023-12-12 10:38:27 | S | 07 12 24.701 | +58 42 50.69 | – | V | C57 |
| 2023-12-12 10:38:27 | s | 1 +228998.83 | 3 +175324.39 | 0.973 | – | C57 |
| 2023-12-12 10:58:27 | S | 07 12 22.908 | +58 43 09.91 | – | V | C57 |
| 2023-12-12 10:58:27 | s | 1 +228927.45 | 0 +176260.58 | 0.324 | – | C57 |
| 2023-12-12 11:58:27 | S | 07 12 16.831 | +58 43 59.63 | – | V | C57 |
| 2023-12-12 11:58:27 | s | 1 +228691.53 | 3 +179052.58 | 0.821 | – | C57 |
| 2023-12-12 12:38:27 | S | 07 12 12.902 | +58 44 38.00 | – | V | C57 |
| 2023-12-12 12:38:27 | s | 1 +228516.22 | 2 +180900.04 | 0.32 | – | C57 |
| 2023-12-12 16:18:27 | S | 07 11 50.033 | +58 47 54.49 | – | V | C57 |
| 2023-12-12 16:18:27 | s | 1 +227297.83 | 3 +190859.65 | 0.689 | – | C57 |
| 2023-12-12 16:38:27 | S | 07 11 48.022 | +58 48 11.27 | – | V | C57 |
| 2023-12-12 16:38:27 | s | 1 +227165.95 | 5 +191747.92 | 0.466 | – | C57 |
| 2023-12-12 16:58:27 | S | 07 11 45.816 | +58 48 30.78 | – | V | C57 |
| 2023-12-12 16:58:27 | s | 1 +227030.63 | 6 +192633.33 | 0.867 | – | C57 |
| 2023-12-12 17:18:27 | S | 07 11 43.397 | +58 48 46.22 | – | V | C57 |
| 2023-12-12 17:18:27 | s | 1 +226891.85 | 7 +193515.85 | 0.886 | – | C57 |
| 2023-12-12 17:38:27 | S | 07 11 41.904 | +58 49 03.22 | – | V | C57 |
| 2023-12-12 17:38:27 | s | 1 +226749.57 | 5 +194395.43 | 0.497 | – | C57 |
| 2023-12-12 18:18:27 | S | 07 11 37.462 | +58 49 42.53 | – | V | C57 |
| 2023-12-12 18:18:27 | s | 1 +226454.74 | 6 +196145.91 | 0.688 | – | C57 |
| 2023-12-12 19:18:27 | S | 07 11 31.790 | +58 50 35.95 | – | V | C57 |
| 2023-12-12 19:18:27 | s | 1 +225986.73 | 0 +198749.63 | 0.392 | – | C57 |
| 2023-12-12 21:38:27 | S | 07 11 16.166 | +58 52 39.54 | – | V | C57 |
| 2023-12-12 21:38:27 | s | 1 +224775.73 | 7 +204721.32 | 0.622 | – | C57 |
| 2023-12-12 23:58:27 | S | 07 11 01.757 | +58 54 40.39 | – | V | C57 |
| 2023-12-12 23:58:27 | s | 1 +223400.53 | 1 +210545.86 | 0.274 | – | C57 |
| 2023-12-13 00:18:27 | S | 07 10 59.282 | +58 54 56.77 | – | V | C57 |
| 2023-12-13 00:18:27 | s | 1 +223190.83 | 9 +211365.79 | 0.639 | – | C57 |
| 2023-12-13 00:38:27 | S | 07 10 56.642 | +58 55 11.71 | – | V | C57 |
| 2023-12-13 00:38:27 | s | 1 +222977.81 | 6 +212182.61 | 0.824 | – | C57 |
| 2023-12-13 01:18:27 | S | 07 10 52.992 | +58 55 48.40 | – | V | C57 |
| 2023-12-13 01:18:27 | s | 1 +222542.01 | 1 +213807.11 | 0.822 | – | C57 |
| 2023-12-13 02:38:27 | S | 07 10 44.124 | +58 56 58.88 | – | V | C57 |
| 2023-12-13 02:38:27 | s | 1 +221631.19 | 7 +217018.94 | 0.373 | – | C57 |
| 2023-12-13 02:58:27 | S | 07 10 41.950 | +58 57 15.34 | – | V | C57 |
| 2023-12-13 02:58:27 | s | 1 +221395.40 | 0 +217814.15 | 0.789 | – | C57 |
| 2023-12-13 03:18:27 | S | 07 10 39.826 | +58 57 36.47 | – | V | C57 |
| 2023-12-13 03:18:27 | s | 1 +221156.38 | 3 +218606.23 | 0.136 | – | C57 |
| 2023-12-13 03:38:27 | S | 07 10 38.352 | +58 57 50.87 | – | V | C57 |
| 2023-12-13 03:38:27 | s | 1 +220914.10 | 4 +219395.15 | 0.394 | – | C57 |
| 2023-12-13 03:58:27 | S | 07 10 35.354 | +58 58 11.28 | – | V | C57 |
| 2023-12-13 03:58:27 | s | 1 +220668.64 | 5 +220180.96 | 0.621 | – | C57 |
| 2023-12-13 04:18:27 | S | 07 10 33.482 | +58 58 27.70 | – | V | C57 |
| 2023-12-13 04:18:27 | s | 1 +220419.98 | 8 +220963.63 | 0.809 | – | C57 |
| 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 |