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 |
|---|---|---|---|---|---|---|
| 2023-12-17 07:48:27 | S | 06 57 38.510 | +60 15 03.89 | – | V | C57 |
| 2023-12-17 07:48:27 | s | 1 +31471.503 | 0 +274770.92 | 9530.0 | – | C57 |
| 2023-12-17 08:28:26 | S | 06 57 32.357 | +60 15 31.64 | – | V | C57 |
| 2023-12-17 08:28:26 | s | 1 +29649.645 | 0 +273567.55 | 4820.0 | – | C57 |
| 2023-12-17 09:28:27 | S | 06 57 23.856 | +60 16 10.09 | – | V | C57 |
| 2023-12-17 09:28:27 | s | 1 +26911.084 | 0 +271710.96 | 6760.0 | – | C57 |
| 2023-12-17 09:48:27 | S | 06 57 20.849 | +60 16 19.78 | – | V | C57 |
| 2023-12-17 09:48:27 | s | 1 +25996.769 | 0 +271078.28 | 2790.0 | – | C57 |
| 2023-12-17 10:28:27 | S | 06 57 14.587 | +60 16 45.70 | – | V | C57 |
| 2023-12-17 10:28:27 | s | 1 +24166.049 | 0 +269791.91 | 860.0 | – | C57 |
| 2023-12-17 10:48:27 | S | 06 57 11.383 | +60 16 58.84 | – | V | C57 |
| 2023-12-17 10:48:27 | s | 1 +23249.695 | 0 +269138.27 | 2610.0 | – | C57 |
| 2023-12-17 10:54:29 | C | 06 56 46.747 | +60 10 53.98 | – | V | T05 |
| 2023-12-17 10:57:44 | C | 06 56 46.253 | +60 10 56.93 | – | V | T05 |
| 2023-12-17 11:03:38 | C | 06 56 45.458 | +60 11 00.85 | – | V | T05 |
| 2023-12-17 11:45:48 | C | 06 56 39.490 | +60 11 30.30 | – | V | T05 |
| 2023-12-17 11:48:26 | S | 06 57 01.608 | +60 17 35.95 | – | V | C57 |
| 2023-12-17 11:48:26 | s | 1 +20496.872 | 0 +267134.95 | 4540.0 | – | C57 |
| 2023-12-17 12:08:26 | S | 06 56 59.412 | +60 17 51.00 | – | V | C57 |
| 2023-12-17 12:08:26 | s | 1 +19578.079 | 0 +266452.94 | 9700.0 | – | C57 |
| 2023-12-17 12:48:27 | S | 06 56 52.810 | +60 18 19.15 | – | V | C57 |
| 2023-12-17 12:48:27 | s | 1 +17738.865 | 0 +265067.68 | 740.0 | – | C57 |
| 2023-12-17 13:28:27 | S | 06 56 47.117 | +60 18 42.55 | – | V | C57 |
| 2023-12-17 13:28:27 | s | 1 +15897.600 | 0 +263653.61 | 9850.0 | – | C57 |
| 2023-12-17 13:48:27 | S | 06 56 44.210 | +60 18 58.54 | – | V | C57 |
| 2023-12-17 13:48:27 | s | 1 +14976.261 | 0 +262935.80 | 3180.0 | – | C57 |
| 2023-12-17 14:08:26 | S | 06 56 41.354 | +60 19 07.61 | – | V | C57 |
| 2023-12-17 14:08:26 | s | 1 +14054.474 | 0 +262210.65 | 4900.0 | – | C57 |
| 2023-12-17 14:28:26 | S | 06 56 38.263 | +60 19 20.28 | – | V | C57 |
| 2023-12-17 14:28:26 | s | 1 +13132.271 | 0 +261478.30 | 5180.0 | – | C57 |
| 2023-12-17 14:48:26 | S | 06 56 35.213 | +60 19 33.38 | – | V | C57 |
| 2023-12-17 14:48:26 | s | 1 +12209.672 | 0 +260738.66 | 3550.0 | – | C57 |
| 2023-12-17 17:48:26 | S | 06 56 07.951 | +60 21 23.87 | – | V | C57 |
| 2023-12-17 18:08:26 | S | 06 56 04.289 | +60 21 41.72 | – | V | C57 |
| 2023-12-17 18:28:27 | S | 06 56 01.495 | +60 21 56.12 | – | V | C57 |
| 2023-12-17 18:48:27 | S | 06 55 58.385 | +60 22 03.72 | – | V | C57 |
| 2023-12-17 19:08:27 | S | 06 55 55.500 | +60 22 18.80 | – | V | C57 |
| 2023-12-17 19:48:26 | S | 06 55 49.363 | +60 22 40.62 | – | V | C57 |
| 2023-12-17 20:08:26 | S | 06 55 45.994 | +60 22 52.00 | – | V | C57 |
| 2023-12-17 20:28:26 | S | 06 55 43.248 | +60 23 06.58 | – | V | C57 |
| 2023-12-17 20:48:26 | S | 06 55 39.850 | +60 23 15.86 | – | V | C57 |
| 2023-12-17 21:08:26 | S | 06 55 37.032 | +60 23 30.95 | – | V | C57 |
| 2023-12-17 21:28:27 | S | 06 55 34.176 | +60 23 42.76 | – | V | C57 |
| 2023-12-17 21:48:27 | S | 06 55 30.454 | +60 23 53.92 | – | V | C57 |
| 2023-12-17 22:28:26 | S | 06 55 24.430 | +60 24 17.03 | – | V | C57 |
| 2023-12-17 22:48:26 | S | 06 55 21.593 | +60 24 29.45 | – | V | C57 |
| 2023-12-17 23:28:26 | S | 06 55 15.120 | +60 24 51.37 | – | V | C57 |
| 2023-12-17 23:28:26 | s | 1 -11832.271 | 0 +238861.53 | 6040.0 | – | C57 |
| 2023-12-17 23:48:26 | S | 06 55 12.372 | +60 25 07.03 | – | V | C57 |
| 2023-12-17 23:48:26 | s | 1 -12755.458 | 0 +237915.13 | 8470.0 | – | 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 |