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 |
|---|---|---|---|---|---|---|
| 2023-12-15 23:08:27 | S | 07 02 19.296 | +59 52 14.81 | – | V | C57 |
| 2023-12-15 23:08:27 | s | 1 +114497.66 | 0 +303482.95 | 7100.0 | – | C57 |
| 2023-12-15 23:48:27 | S | 07 02 13.102 | +59 52 52.21 | – | V | C57 |
| 2023-12-15 23:48:27 | s | 1 +112961.48 | 8 +303432.96 | 4930.0 | – | C57 |
| 2023-12-16 00:28:27 | S | 07 02 08.376 | +59 53 20.72 | – | V | C57 |
| 2023-12-16 00:28:27 | s | 1 +111417.54 | 8 +303362.58 | 8790.0 | – | C57 |
| 2023-12-16 00:48:27 | S | 07 02 06.161 | +59 53 32.46 | – | V | C57 |
| 2023-12-16 00:48:27 | s | 1 +110642.70 | 6 +303319.77 | 9570.0 | – | C57 |
| 2023-12-16 03:48:27 | S | 07 01 40.951 | +59 55 48.47 | – | V | C57 |
| 2023-12-16 03:48:27 | s | 1 +103583.89 | 2 +302701.90 | 5440.0 | – | C57 |
| 2023-12-16 04:08:27 | S | 07 01 38.431 | +59 55 59.30 | – | V | C57 |
| 2023-12-16 04:08:27 | s | 1 +102790.24 | 9 +302607.13 | 4930.0 | – | C57 |
| 2023-12-16 04:28:27 | S | 07 01 35.110 | +59 56 14.21 | – | V | C57 |
| 2023-12-16 04:28:27 | s | 1 +101994.79 | 1 +302507.13 | 3730.0 | – | C57 |
| 2023-12-16 04:48:27 | S | 07 01 32.566 | +59 56 30.95 | – | V | C57 |
| 2023-12-16 04:48:27 | s | 1 +101197.51 | 3 +302401.87 | 1690.0 | – | C57 |
| 2023-12-16 05:08:27 | S | 07 01 29.611 | +59 56 43.80 | – | V | C57 |
| 2023-12-16 05:08:27 | s | 1 +100398.39 | 5 +302291.23 | 8680.0 | – | C57 |
| 2023-12-16 05:28:27 | S | 07 01 26.626 | +59 56 59.32 | – | V | C57 |
| 2023-12-16 05:28:27 | s | 1 +99597.487 | 0 +302175.34 | 4570.0 | – | C57 |
| 2023-12-16 05:48:27 | S | 07 01 23.988 | +59 57 11.74 | – | V | C57 |
| 2023-12-16 05:48:27 | s | 1 +98794.783 | 0 +302054.12 | 9220.0 | – | C57 |
| 2023-12-16 06:08:27 | S | 07 01 21.190 | +59 57 29.02 | – | V | C57 |
| 2023-12-16 06:08:27 | s | 1 +97990.266 | 0 +301927.49 | 2460.0 | – | C57 |
| 2023-12-16 06:48:27 | S | 07 01 15.238 | +59 57 59.04 | – | V | C57 |
| 2023-12-16 06:48:27 | s | 1 +96375.931 | 0 +301658.25 | 4280.0 | – | C57 |
| 2023-12-16 07:08:27 | S | 07 01 13.150 | +59 58 07.75 | – | V | C57 |
| 2023-12-16 07:08:27 | s | 1 +95566.092 | 0 +301515.48 | 2540.0 | – | C57 |
| 2023-12-16 07:48:27 | S | 07 01 06.970 | +59 58 41.95 | – | V | C57 |
| 2023-12-16 07:48:27 | s | 1 +93941.192 | 0 +301213.83 | 3110.0 | – | C57 |
| 2023-12-16 08:08:27 | S | 07 01 04.392 | +59 58 52.10 | – | V | C57 |
| 2023-12-16 08:08:27 | s | 1 +93126.109 | 0 +301054.79 | 5090.0 | – | C57 |
| 2023-12-16 08:28:27 | S | 07 01 01.634 | +59 59 12.01 | – | V | C57 |
| 2023-12-16 08:28:27 | s | 1 +92309.314 | 0 +300890.35 | 4710.0 | – | C57 |
| 2023-12-16 08:48:27 | S | 07 00 58.812 | +59 59 22.42 | – | V | C57 |
| 2023-12-16 08:48:27 | s | 1 +91490.803 | 0 +300720.45 | 1810.0 | – | C57 |
| 2023-12-16 09:08:27 | S | 07 00 55.488 | +59 59 35.23 | – | V | C57 |
| 2023-12-16 09:08:27 | s | 1 +90670.559 | 0 +300544.99 | 6210.0 | – | C57 |
| 2023-12-16 09:28:27 | S | 07 00 53.544 | +59 59 49.09 | – | V | C57 |
| 2023-12-16 09:28:27 | s | 1 +89848.630 | 0 +300364.08 | 7810.0 | – | C57 |
| 2023-12-16 09:48:27 | S | 07 00 49.910 | +60 00 06.66 | – | V | C57 |
| 2023-12-16 09:48:27 | s | 1 +89025.011 | 0 +300177.66 | 6450.0 | – | C57 |
| 2023-12-16 10:08:27 | S | 07 00 47.518 | +60 00 22.75 | – | V | C57 |
| 2023-12-16 10:08:27 | s | 1 +88199.688 | 0 +299985.64 | 1940.0 | – | C57 |
| 2023-12-16 10:48:27 | S | 07 00 41.909 | +60 00 45.00 | – | V | C57 |
| 2023-12-16 10:48:27 | s | 1 +86544.067 | 0 +299585.03 | 3000.0 | – | C57 |
| 2023-12-16 11:28:27 | S | 07 00 35.976 | +60 01 15.60 | – | V | C57 |
| 2023-12-16 11:28:27 | s | 1 +84881.806 | 0 +299162.01 | 9710.0 | – | C57 |
| 2023-12-16 12:28:27 | S | 07 00 28.522 | +60 02 03.48 | – | V | C57 |
| 2023-12-16 12:28:27 | s | 1 +82376.185 | 0 +298485.32 | 240.0 | – | 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 |