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 |
|---|---|---|---|---|---|---|
| 2023-12-18 12:48:26 | S | 06 53 09.862 | +60 32 41.89 | – | V | C57 |
| 2023-12-18 12:48:26 | s | 1 -48049.954 | 0 +194484.01 | 0.548 | – | C57 |
| 2023-12-18 13:08:26 | S | 06 53 06.581 | +60 32 49.34 | – | V | C57 |
| 2023-12-18 13:08:26 | s | 1 -48924.764 | 0 +193197.36 | 0.422 | – | C57 |
| 2023-12-18 13:48:26 | S | 06 53 00.262 | +60 33 12.96 | – | V | C57 |
| 2023-12-18 13:48:26 | s | 1 -50666.306 | 0 +190594.59 | 0.493 | – | C57 |
| 2023-12-18 14:28:26 | S | 06 52 54.192 | +60 33 37.51 | – | V | C57 |
| 2023-12-18 14:28:26 | s | 1 -52398.226 | 0 +187955.37 | 0.282 | – | C57 |
| 2023-12-18 14:48:26 | S | 06 52 50.796 | +60 33 45.40 | – | V | C57 |
| 2023-12-18 14:48:26 | s | 1 -53260.445 | 0 +186622.13 | 0.213 | – | C57 |
| 2023-12-18 15:08:26 | S | 06 52 47.530 | +60 34 01.60 | – | V | C57 |
| 2023-12-18 15:08:26 | s | 1 -54120.037 | 0 +185279.64 | 0.305 | – | C57 |
| 2023-12-18 15:28:26 | S | 06 52 44.815 | +60 34 09.26 | – | V | C57 |
| 2023-12-18 15:28:26 | s | 1 -54976.993 | 0 +183928.06 | 0.616 | – | C57 |
| 2023-12-18 15:48:26 | S | 06 52 41.316 | +60 34 17.62 | – | V | C57 |
| 2023-12-18 15:48:26 | s | 1 -55831.225 | 0 +182567.32 | 0.029 | – | C57 |
| 2023-12-18 16:08:26 | S | 06 52 38.150 | +60 34 29.17 | – | V | C57 |
| 2023-12-18 16:08:26 | s | 1 -56682.622 | 0 +181197.25 | 0.38 | – | C57 |
| 2023-12-18 16:28:26 | S | 06 52 34.886 | +60 34 41.70 | – | V | C57 |
| 2023-12-18 16:28:26 | s | 1 -57531.177 | 0 +179818.05 | 0.729 | – | C57 |
| 2023-12-18 16:48:26 | S | 06 52 31.435 | +60 34 52.86 | – | V | C57 |
| 2023-12-18 16:48:26 | s | 1 -58376.797 | 0 +178429.63 | 0.954 | – | C57 |
| 2023-12-18 17:08:26 | S | 06 52 28.798 | +60 35 06.40 | – | V | C57 |
| 2023-12-18 17:08:26 | s | 1 -59219.363 | 0 +177031.82 | 0.884 | – | C57 |
| 2023-12-18 17:28:26 | S | 06 52 25.181 | +60 35 19.86 | – | V | C57 |
| 2023-12-18 17:28:26 | s | 1 -60058.871 | 0 +175624.83 | 0.584 | – | C57 |
| 2023-12-18 18:08:26 | S | 06 52 19.627 | +60 35 35.88 | – | V | C57 |
| 2023-12-18 18:08:26 | s | 1 -61728.292 | 0 +172782.86 | 0.734 | – | C57 |
| 2023-12-18 18:48:26 | S | 06 52 12.943 | +60 35 58.74 | – | V | C57 |
| 2023-12-18 18:48:26 | s | 1 -63384.474 | 0 +169903.67 | 0.814 | – | C57 |
| 2023-12-18 19:08:26 | S | 06 52 09.893 | +60 36 06.05 | – | V | C57 |
| 2023-12-18 19:08:26 | s | 1 -64207.350 | 0 +168449.94 | 0.771 | – | C57 |
| 2023-12-18 19:28:26 | S | 06 52 06.137 | +60 36 18.22 | – | V | C57 |
| 2023-12-18 19:28:26 | s | 1 -65026.705 | 0 +166986.93 | 0.015 | – | C57 |
| 2023-12-18 19:48:26 | S | 06 52 02.930 | +60 36 27.79 | – | V | C57 |
| 2023-12-18 19:48:26 | s | 1 -65842.428 | 0 +165514.57 | 0.408 | – | C57 |
| 2023-12-18 20:28:26 | S | 06 51 56.609 | +60 36 51.08 | – | V | C57 |
| 2023-12-18 20:28:26 | s | 1 -67462.562 | 0 +162541.49 | 0.146 | – | C57 |
| 2023-12-18 22:08:26 | S | 06 51 41.230 | +60 37 42.10 | – | V | C57 |
| 2023-12-18 22:08:26 | s | 1 -71443.209 | 0 +154943.96 | 0.266 | – | C57 |
| 2023-12-18 22:28:26 | S | 06 51 37.310 | +60 37 56.35 | – | V | C57 |
| 2023-12-18 22:28:26 | s | 1 -72226.680 | 0 +153396.14 | 0.541 | – | C57 |
| 2023-12-18 22:48:26 | S | 06 51 34.339 | +60 38 06.22 | – | V | C57 |
| 2023-12-18 22:48:26 | s | 1 -73005.719 | 0 +151838.89 | 0.16 | – | C57 |
| 2023-12-18 23:08:26 | S | 06 51 30.708 | +60 38 18.28 | – | V | C57 |
| 2023-12-18 23:08:26 | s | 1 -73780.164 | 0 +150272.05 | 0.912 | – | C57 |
| 2023-12-18 23:28:26 | S | 06 51 28.171 | +60 38 30.01 | – | V | C57 |
| 2023-12-18 23:28:26 | s | 1 -74550.020 | 0 +148695.85 | 0.879 | – | C57 |
| 2023-12-18 23:48:26 | S | 06 51 25.118 | +60 38 39.34 | – | V | C57 |
| 2023-12-18 23:48:26 | s | 1 -75315.153 | 0 +147110.21 | 0.903 | – | 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 |