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 |
|---|---|---|---|---|---|---|
| 2023-12-16 13:48:27 | S | 07 00 16.714 | +60 02 54.71 | – | V | C57 |
| 2023-12-16 13:48:27 | s | 1 +79012.933 | 0 +297503.60 | 2460.0 | – | C57 |
| 2023-12-16 14:28:27 | S | 07 00 10.054 | +60 03 25.31 | – | V | C57 |
| 2023-12-16 14:28:27 | s | 1 +77321.868 | 0 +296978.32 | 9120.0 | – | C57 |
| 2023-12-16 14:48:27 | S | 07 00 08.129 | +60 03 35.21 | – | V | C57 |
| 2023-12-16 14:48:27 | s | 1 +76474.026 | 0 +296707.07 | 4560.0 | – | C57 |
| 2023-12-16 15:08:27 | S | 07 00 04.992 | +60 03 52.09 | – | V | C57 |
| 2023-12-16 15:08:27 | s | 1 +75624.631 | 0 +296429.96 | 4420.0 | – | C57 |
| 2023-12-16 16:28:27 | S | 06 59 52.990 | +60 04 45.95 | – | V | C57 |
| 2023-12-16 16:28:27 | s | 1 +72211.996 | 0 +295263.39 | 5540.0 | – | C57 |
| 2023-12-16 16:48:27 | S | 06 59 50.714 | +60 04 59.84 | – | V | C57 |
| 2023-12-16 16:48:27 | s | 1 +71355.120 | 0 +294957.11 | 5360.0 | – | C57 |
| 2023-12-16 17:08:27 | S | 06 59 48.545 | +60 05 12.37 | – | V | C57 |
| 2023-12-16 17:08:27 | s | 1 +70496.760 | 0 +294644.85 | 8550.0 | – | C57 |
| 2023-12-16 17:28:27 | S | 06 59 44.750 | +60 05 27.35 | – | V | C57 |
| 2023-12-16 17:28:27 | s | 1 +69636.960 | 0 +294326.74 | 5100.0 | – | C57 |
| 2023-12-16 21:48:27 | S | 06 59 06.816 | +60 08 25.76 | – | V | C57 |
| 2023-12-16 21:48:27 | s | 1 +58332.504 | 0 +289643.85 | 5170.0 | – | C57 |
| 2023-12-16 22:08:27 | S | 06 59 03.624 | +60 08 39.55 | – | V | C57 |
| 2023-12-16 22:08:27 | s | 1 +57453.583 | 0 +289240.81 | 8130.0 | – | C57 |
| 2023-12-16 22:28:27 | S | 06 59 00.984 | +60 08 51.07 | – | V | C57 |
| 2023-12-16 22:28:27 | s | 1 +56573.405 | 0 +288831.63 | 1620.0 | – | C57 |
| 2023-12-16 22:48:27 | S | 06 58 58.075 | +60 09 03.53 | – | V | C57 |
| 2023-12-16 22:48:27 | s | 1 +55691.974 | 0 +288416.25 | 5390.0 | – | C57 |
| 2023-12-16 23:08:27 | S | 06 58 55.375 | +60 09 19.73 | – | V | C57 |
| 2023-12-16 23:08:27 | s | 1 +54809.284 | 0 +287994.53 | 9060.0 | – | C57 |
| 2023-12-16 23:48:26 | S | 06 58 49.097 | +60 09 43.70 | – | V | C57 |
| 2023-12-16 23:48:26 | s | 1 +53040.260 | 0 +287132.43 | 5940.0 | – | C57 |
| 2023-12-17 00:08:26 | S | 06 58 46.270 | +60 10 02.42 | – | V | C57 |
| 2023-12-17 00:08:26 | s | 1 +52153.926 | 0 +286691.85 | 8500.0 | – | C57 |
| 2023-12-17 00:28:27 | S | 06 58 44.268 | +60 10 11.50 | – | V | C57 |
| 2023-12-17 00:28:27 | s | 1 +51266.416 | 0 +286245.02 | 370.0 | – | C57 |
| 2023-12-17 01:28:27 | S | 06 58 33.922 | +60 10 56.57 | – | V | C57 |
| 2023-12-17 01:28:27 | s | 1 +48596.901 | 0 +284866.29 | 9000.0 | – | C57 |
| 2023-12-17 02:08:27 | S | 06 58 28.356 | +60 11 20.33 | – | V | C57 |
| 2023-12-17 02:08:27 | s | 1 +46811.552 | 0 +283915.10 | 160.0 | – | C57 |
| 2023-12-17 02:28:27 | S | 06 58 25.915 | +60 11 32.93 | – | V | C57 |
| 2023-12-17 02:28:27 | s | 1 +45917.225 | 0 +283429.87 | 2750.0 | – | C57 |
| 2023-12-17 02:48:26 | S | 06 58 23.395 | +60 11 48.19 | – | V | C57 |
| 2023-12-17 02:48:26 | s | 1 +45021.818 | 0 +282938.18 | 3050.0 | – | C57 |
| 2023-12-17 03:08:26 | S | 06 58 19.987 | +60 12 00.65 | – | V | C57 |
| 2023-12-17 03:08:26 | s | 1 +44125.329 | 0 +282439.91 | 650.0 | – | C57 |
| 2023-12-17 03:28:27 | S | 06 58 17.321 | +60 12 13.50 | – | V | C57 |
| 2023-12-17 03:28:27 | s | 1 +43227.798 | 0 +281935.19 | 5610.0 | – | C57 |
| 2023-12-17 03:48:27 | S | 06 58 14.314 | +60 12 25.63 | – | V | C57 |
| 2023-12-17 03:48:27 | s | 1 +42329.233 | 0 +281423.96 | 7590.0 | – | C57 |
| 2023-12-17 07:08:27 | S | 06 57 44.105 | +60 14 37.03 | – | V | C57 |
| 2023-12-17 07:08:27 | s | 1 +33290.093 | 0 +275946.90 | 9240.0 | – | C57 |
| 2023-12-17 07:28:27 | S | 06 57 42.089 | +60 14 52.22 | – | V | C57 |
| 2023-12-17 07:28:27 | s | 1 +32381.214 | 0 +275362.30 | 2340.0 | – | 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 |