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 |
|---|---|---|---|---|---|---|
| 2023-12-13 05:18:27 | S | 07 10 27.250 | +58 59 17.12 | – | V | C57 |
| 2023-12-13 05:18:27 | s | 1 +219654.80 | 7 +223292.65 | 0.183 | – | C57 |
| 2023-12-13 05:58:27 | S | 07 10 22.121 | +58 59 53.56 | – | V | C57 |
| 2023-12-13 05:58:27 | s | 1 +219128.77 | 5 +224829.46 | 0.387 | – | C57 |
| 2023-12-13 06:18:27 | S | 07 10 20.321 | +59 00 10.19 | – | V | C57 |
| 2023-12-13 06:18:27 | s | 1 +218861.03 | 5 +225593.10 | 0.522 | – | C57 |
| 2023-12-13 06:38:27 | S | 07 10 17.458 | +59 00 33.80 | – | V | C57 |
| 2023-12-13 06:38:27 | s | 1 +218590.10 | 1 +226353.51 | 0.658 | – | C57 |
| 2023-12-13 06:58:27 | S | 07 10 15.590 | +59 00 46.73 | – | V | C57 |
| 2023-12-13 06:58:27 | s | 1 +218316.05 | 2 +227110.75 | 0.848 | – | C57 |
| 2023-12-13 07:18:27 | S | 07 10 13.488 | +59 01 07.00 | – | V | C57 |
| 2023-12-13 07:18:27 | s | 1 +218038.86 | 8 +227864.78 | 0.088 | – | C57 |
| 2023-12-13 07:38:27 | S | 07 10 10.661 | +59 01 22.51 | – | V | C57 |
| 2023-12-13 07:38:27 | s | 1 +217758.51 | 2 +228615.55 | 0.357 | – | C57 |
| 2023-12-13 07:58:27 | S | 07 10 08.837 | +59 01 37.31 | – | V | C57 |
| 2023-12-13 07:58:27 | s | 1 +217475.06 | 1 +229363.13 | 0.709 | – | C57 |
| 2023-12-13 08:58:27 | S | 07 10 02.856 | +59 02 33.11 | – | V | C57 |
| 2023-12-13 08:58:27 | s | 1 +216605.99 | 3 +231586.41 | 0.228 | – | C57 |
| 2023-12-13 12:18:27 | S | 07 09 40.200 | +59 05 24.79 | – | V | C57 |
| 2023-12-13 12:18:27 | s | 1 +213508.74 | 0 +238784.58 | 0.328 | – | C57 |
| 2023-12-13 13:03:53 | C | 07 08 24.034 | +58 59 18.02 | – | V | T05 |
| 2023-12-13 13:18:27 | S | 07 09 33.521 | +59 06 11.27 | – | V | C57 |
| 2023-12-13 13:18:27 | s | 1 +212520.15 | 3 +240879.43 | 0.633 | – | C57 |
| 2023-12-13 13:38:27 | S | 07 09 30.542 | +59 06 27.25 | – | V | C57 |
| 2023-12-13 13:38:27 | s | 1 +212184.57 | 1 +241570.99 | 0.487 | – | C57 |
| 2023-12-13 13:40:43 | C | 07 08 19.687 | +58 59 47.15 | – | V | T05 |
| 2023-12-13 13:44:44 | C | 07 08 19.154 | +58 59 51.00 | – | V | T05 |
| 2023-12-13 14:24:33 | C | 07 08 14.438 | +59 00 21.67 | – | V | T05 |
| 2023-12-13 14:38:27 | S | 07 09 23.966 | +59 07 18.98 | – | V | C57 |
| 2023-12-13 14:38:27 | s | 1 +211159.89 | 5 +243625.56 | 0.517 | – | C57 |
| 2023-12-13 15:38:27 | S | 07 09 17.354 | +59 08 05.75 | – | V | C57 |
| 2023-12-13 15:38:27 | s | 1 +210108.35 | 7 +245649.69 | 0.877 | – | C57 |
| 2023-12-13 15:58:27 | S | 07 09 14.280 | +59 08 22.92 | – | V | C57 |
| 2023-12-13 15:58:27 | s | 1 +209751.91 | 4 +246317.61 | 0.562 | – | C57 |
| 2023-12-14 02:25:07 | S | 07 08 02.189 | +59 17 18.67 | – | V | C57 |
| 2023-12-14 02:25:07 | s | 1 +197116.51 | 9 +265477.77 | 6030.0 | – | C57 |
| 2023-12-14 02:45:07 | S | 07 08 00.290 | +59 17 32.53 | – | V | C57 |
| 2023-12-14 02:45:07 | s | 1 +196667.56 | 0 +266031.46 | 6600.0 | – | C57 |
| 2023-12-14 03:05:07 | S | 07 07 57.780 | +59 17 48.59 | – | V | C57 |
| 2023-12-14 03:05:07 | s | 1 +196215.85 | 1 +266581.49 | 3040.0 | – | C57 |
| 2023-12-14 03:25:07 | S | 07 07 55.049 | +59 18 10.48 | – | V | C57 |
| 2023-12-14 03:25:07 | s | 1 +195761.37 | 7 +267127.85 | 5300.0 | – | C57 |
| 2023-12-14 03:45:07 | S | 07 07 52.560 | +59 18 26.03 | – | V | C57 |
| 2023-12-14 03:45:07 | s | 1 +195304.15 | 6 +267670.52 | 3560.0 | – | C57 |
| 2023-12-14 04:45:07 | S | 07 07 45.986 | +59 19 07.90 | – | V | C57 |
| 2023-12-14 04:45:07 | s | 1 +193916.07 | 0 +269276.40 | 5120.0 | – | C57 |
| 2023-12-14 05:05:07 | S | 07 07 43.236 | +59 19 25.90 | – | V | C57 |
| 2023-12-14 05:05:07 | s | 1 +193447.92 | 5 +269804.29 | 8220.0 | – | C57 |
| 2023-12-14 05:25:07 | S | 07 07 40.841 | +59 19 43.43 | – | V | C57 |
| 2023-12-14 05:25:07 | s | 1 +192977.05 | 0 +270328.44 | 7680.0 | – | 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 |