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 |
|---|---|---|---|---|---|---|
| 2023-12-30 13:28:26 | S | 06 04 38.294 | +62 37 14.23 | – | V | C57 |
| 2023-12-30 13:28:26 | s | 1 +38272.575 | 0 +272429.45 | 1410.0 | – | C57 |
| 2023-12-30 13:48:26 | S | 06 04 34.034 | +62 37 15.64 | – | V | C57 |
| 2023-12-30 13:48:26 | s | 1 +37340.140 | 0 +271879.89 | 5970.0 | – | C57 |
| 2023-12-30 14:08:26 | S | 06 04 29.993 | +62 37 17.26 | – | V | C57 |
| 2023-12-30 14:08:26 | s | 1 +36406.690 | 0 +271323.18 | 5140.0 | – | C57 |
| 2023-12-30 14:28:26 | S | 06 04 25.682 | +62 37 17.44 | – | V | C57 |
| 2023-12-30 14:28:26 | s | 1 +35472.268 | 0 +270759.46 | 9000.0 | – | C57 |
| 2023-12-30 14:48:26 | S | 06 04 22.195 | +62 37 17.33 | – | V | C57 |
| 2023-12-30 14:48:26 | s | 1 +34536.885 | 0 +270188.65 | 7160.0 | – | C57 |
| 2023-12-30 15:28:26 | S | 06 04 14.158 | +62 37 17.33 | – | V | C57 |
| 2023-12-30 15:28:26 | s | 1 +32663.294 | 0 +269025.51 | 4910.0 | – | C57 |
| 2023-12-30 15:48:26 | S | 06 04 09.780 | +62 37 21.11 | – | V | C57 |
| 2023-12-30 15:48:26 | s | 1 +31725.139 | 0 +268433.23 | 4170.0 | – | C57 |
| 2023-12-30 16:08:26 | S | 06 04 05.400 | +62 37 24.28 | – | V | C57 |
| 2023-12-30 16:08:26 | s | 1 +30786.090 | 0 +267833.66 | 6360.0 | – | C57 |
| 2023-12-30 16:28:26 | S | 06 04 01.920 | +62 37 20.21 | – | V | C57 |
| 2023-12-30 16:28:26 | s | 1 +29846.187 | 0 +267226.93 | 1570.0 | – | C57 |
| 2023-12-30 16:48:26 | S | 06 03 57.878 | +62 37 20.60 | – | V | C57 |
| 2023-12-30 16:48:26 | s | 1 +28905.442 | 0 +266612.96 | 9370.0 | – | C57 |
| 2023-12-30 17:08:26 | S | 06 03 53.585 | +62 37 23.41 | – | V | C57 |
| 2023-12-30 17:08:26 | s | 1 +27963.866 | 0 +265991.62 | 9220.0 | – | C57 |
| 2023-12-30 17:28:26 | S | 06 03 49.349 | +62 37 25.28 | – | V | C57 |
| 2023-12-30 17:28:26 | s | 1 +27021.498 | 0 +265363.05 | 1210.0 | – | C57 |
| 2023-12-30 17:48:26 | S | 06 03 45.893 | +62 37 21.79 | – | V | C57 |
| 2023-12-30 17:48:26 | s | 1 +26078.353 | 0 +264727.17 | 4910.0 | – | C57 |
| 2023-12-30 19:08:26 | S | 06 03 28.385 | +62 37 28.81 | – | V | C57 |
| 2023-12-30 19:08:26 | s | 1 +22298.406 | 0 +262109.63 | 9780.0 | – | C57 |
| 2023-12-30 19:28:26 | S | 06 03 25.310 | +62 37 29.96 | – | V | C57 |
| 2023-12-30 19:28:26 | s | 1 +21351.699 | 0 +261436.71 | 7170.0 | – | C57 |
| 2023-12-30 19:48:26 | S | 06 03 21.053 | +62 37 25.72 | – | V | C57 |
| 2023-12-30 19:48:26 | s | 1 +20404.348 | 0 +260756.31 | 4420.0 | – | C57 |
| 2023-12-30 20:08:26 | S | 06 03 17.544 | +62 37 28.74 | – | V | C57 |
| 2023-12-30 20:08:26 | s | 1 +19456.370 | 0 +260068.32 | 890.0 | – | C57 |
| 2023-12-30 20:28:26 | S | 06 03 13.536 | +62 37 22.73 | – | V | C57 |
| 2023-12-30 20:28:26 | s | 1 +18507.803 | 0 +259372.86 | 6730.0 | – | C57 |
| 2023-12-30 20:48:26 | S | 06 03 09.331 | +62 37 24.06 | – | V | C57 |
| 2023-12-30 20:48:26 | s | 1 +17558.664 | 0 +258669.87 | 1450.0 | – | C57 |
| 2023-12-30 21:08:26 | S | 06 03 05.122 | +62 37 29.32 | – | V | C57 |
| 2023-12-30 21:08:26 | s | 1 +16608.970 | 0 +257959.19 | 4400.0 | – | C57 |
| 2023-12-30 21:48:26 | S | 06 02 56.885 | +62 37 25.54 | – | V | C57 |
| 2023-12-30 21:48:26 | s | 1 +14708.052 | 0 +256515.15 | 4950.0 | – | C57 |
| 2023-12-30 22:08:26 | S | 06 02 52.238 | +62 37 26.04 | – | V | C57 |
| 2023-12-30 22:08:26 | s | 1 +13756.866 | 0 +255781.55 | 1360.0 | – | C57 |
| 2023-12-30 22:28:26 | S | 06 02 48.528 | +62 37 25.57 | – | V | C57 |
| 2023-12-30 22:28:26 | s | 1 +12805.239 | 0 +255040.34 | 5140.0 | – | C57 |
| 2023-12-30 22:48:26 | S | 06 02 45.691 | +62 37 26.54 | – | V | C57 |
| 2023-12-30 22:48:26 | s | 1 +11853.191 | 0 +254291.44 | 5770.0 | – | C57 |
| 2023-12-30 23:08:26 | S | 06 02 40.039 | +62 37 27.59 | – | V | C57 |
| 2023-12-30 23:08:26 | s | 1 +10900.745 | 0 +253534.69 | 2530.0 | – | 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 |