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 |
|---|---|---|---|---|---|---|
| 2023-12-14 19:45:07 | S | 07 05 55.277 | +59 31 20.68 | – | V | C57 |
| 2023-12-14 19:45:07 | s | 1 +170238.09 | 1 +289227.91 | 530.0 | – | C57 |
| 2023-12-14 20:05:07 | S | 07 05 53.114 | +59 31 35.62 | – | V | C57 |
| 2023-12-14 20:05:07 | s | 1 +169653.25 | 9 +289579.89 | 8770.0 | – | C57 |
| 2023-12-14 20:25:07 | S | 07 05 50.153 | +59 31 52.50 | – | V | C57 |
| 2023-12-14 20:25:07 | s | 1 +169065.95 | 5 +289927.73 | 7360.0 | – | C57 |
| 2023-12-14 22:45:07 | S | 07 05 31.973 | +59 33 41.22 | – | V | C57 |
| 2023-12-14 22:45:07 | s | 1 +164886.38 | 2 +292246.55 | 5660.0 | – | C57 |
| 2023-12-14 23:05:07 | S | 07 05 30.283 | +59 34 01.42 | – | V | C57 |
| 2023-12-14 23:05:07 | s | 1 +164279.59 | 3 +292561.12 | 560.0 | – | C57 |
| 2023-12-14 23:25:07 | S | 07 05 27.336 | +59 34 16.64 | – | V | C57 |
| 2023-12-14 23:25:07 | s | 1 +163670.38 | 5 +292871.46 | 6620.0 | – | C57 |
| 2023-12-14 23:45:07 | S | 07 05 24.526 | +59 34 30.11 | – | V | C57 |
| 2023-12-14 23:45:07 | s | 1 +163058.77 | 1 +293177.59 | 3970.0 | – | C57 |
| 2023-12-15 00:05:07 | S | 07 05 21.845 | +59 34 47.17 | – | V | C57 |
| 2023-12-15 00:05:07 | s | 1 +162444.76 | 7 +293479.51 | 2740.0 | – | C57 |
| 2023-12-15 00:25:07 | S | 07 05 19.464 | +59 35 01.68 | – | V | C57 |
| 2023-12-15 00:25:07 | s | 1 +161828.36 | 0 +293777.18 | 2950.0 | – | C57 |
| 2023-12-15 01:05:07 | S | 07 05 14.371 | +59 35 33.86 | – | V | C57 |
| 2023-12-15 01:05:07 | s | 1 +160588.39 | 6 +294359.79 | 8190.0 | – | C57 |
| 2023-12-15 01:45:07 | S | 07 05 08.957 | +59 36 05.58 | – | V | C57 |
| 2023-12-15 01:45:07 | s | 1 +159338.91 | 8 +294925.32 | 430.0 | – | C57 |
| 2023-12-15 02:05:07 | S | 07 05 06.792 | +59 36 14.90 | – | V | C57 |
| 2023-12-15 02:05:07 | s | 1 +158710.63 | 7 +295201.67 | 9440.0 | – | C57 |
| 2023-12-15 02:25:07 | S | 07 05 04.783 | +59 36 41.98 | – | V | C57 |
| 2023-12-15 02:25:07 | s | 1 +158079.98 | 8 +295473.71 | 460.0 | – | C57 |
| 2023-12-15 02:45:07 | S | 07 05 01.735 | +59 36 50.54 | – | V | C57 |
| 2023-12-15 02:45:07 | s | 1 +157446.98 | 6 +295741.45 | 3620.0 | – | C57 |
| 2023-12-15 03:45:07 | S | 07 04 54.110 | +59 37 39.00 | – | V | C57 |
| 2023-12-15 03:45:07 | s | 1 +155533.92 | 7 +296518.72 | 6850.0 | – | C57 |
| 2023-12-15 04:05:07 | S | 07 04 51.504 | +59 37 55.88 | – | V | C57 |
| 2023-12-15 04:05:07 | s | 1 +154891.57 | 9 +296769.13 | 9500.0 | – | C57 |
| 2023-12-15 04:25:07 | S | 07 04 48.468 | +59 38 04.78 | – | V | C57 |
| 2023-12-15 04:25:07 | s | 1 +154246.89 | 8 +297015.17 | 4740.0 | – | C57 |
| 2023-12-15 05:25:07 | S | 07 04 40.898 | +59 39 02.70 | – | V | C57 |
| 2023-12-15 05:25:07 | s | 1 +152298.97 | 9 +297727.05 | 7100.0 | – | C57 |
| 2023-12-15 05:45:07 | S | 07 04 38.628 | +59 39 11.48 | – | V | C57 |
| 2023-12-15 05:45:07 | s | 1 +151645.06 | 1 +297955.55 | 3730.0 | – | C57 |
| 2023-12-15 06:05:07 | S | 07 04 36.091 | +59 39 28.37 | – | V | C57 |
| 2023-12-15 06:05:07 | s | 1 +150988.85 | 7 +298179.64 | 3490.0 | – | C57 |
| 2023-12-15 10:05:07 | S | 07 04 03.967 | +59 42 34.70 | – | V | C57 |
| 2023-12-15 10:05:07 | s | 1 +142937.55 | 7 +300520.46 | 7440.0 | – | C57 |
| 2023-12-15 10:25:07 | S | 07 04 02.194 | +59 42 49.28 | – | V | C57 |
| 2023-12-15 10:25:07 | s | 1 +142252.06 | 5 +300686.16 | 6390.0 | – | C57 |
| 2023-12-15 10:45:07 | S | 07 03 59.282 | +59 43 02.96 | – | V | C57 |
| 2023-12-15 10:45:07 | s | 1 +141564.36 | 3 +300847.29 | 9830.0 | – | C57 |
| 2023-12-15 11:05:07 | S | 07 03 56.402 | +59 43 19.99 | – | V | C57 |
| 2023-12-15 11:05:07 | s | 1 +140874.46 | 7 +301003.86 | 7890.0 | – | C57 |
| 2023-12-15 11:25:07 | S | 07 03 53.846 | +59 43 34.54 | – | V | C57 |
| 2023-12-15 11:25:07 | s | 1 +140182.36 | 5 +301155.82 | 620.0 | – | 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 |