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 |
|---|---|---|---|---|---|---|
| 2023-12-18 00:08:26 | S | 06 55 09.370 | +60 25 15.60 | – | V | C57 |
| 2023-12-18 00:08:26 | s | 1 -13678.234 | 0 +236960.61 | 8130.0 | – | C57 |
| 2023-12-18 00:28:27 | S | 06 55 05.892 | +60 25 30.68 | – | V | C57 |
| 2023-12-18 00:28:27 | s | 1 -14600.574 | 0 +235998.12 | 5360.0 | – | C57 |
| 2023-12-18 00:48:27 | S | 06 55 03.158 | +60 25 43.97 | – | V | C57 |
| 2023-12-18 00:48:27 | s | 1 -15522.441 | 0 +235027.57 | 9450.0 | – | C57 |
| 2023-12-18 01:08:27 | S | 06 54 59.796 | +60 25 52.86 | – | V | C57 |
| 2023-12-18 01:08:27 | s | 1 -16443.791 | 0 +234048.81 | 9450.0 | – | C57 |
| 2023-12-18 01:28:26 | S | 06 54 56.722 | +60 26 07.40 | – | V | C57 |
| 2023-12-18 01:28:26 | s | 1 -17364.599 | 0 +233062.01 | 5700.0 | – | C57 |
| 2023-12-18 01:48:26 | S | 06 54 53.870 | +60 26 17.59 | – | V | C57 |
| 2023-12-18 01:48:26 | s | 1 -18284.825 | 0 +232067.06 | 7470.0 | – | C57 |
| 2023-12-18 02:08:26 | S | 06 54 51.072 | +60 26 32.32 | – | V | C57 |
| 2023-12-18 02:08:26 | s | 1 -19204.423 | 0 +231063.83 | 3790.0 | – | C57 |
| 2023-12-18 02:28:26 | S | 06 54 47.258 | +60 26 40.09 | – | V | C57 |
| 2023-12-18 02:28:26 | s | 1 -20123.368 | 0 +230052.48 | 0.5 | – | C57 |
| 2023-12-18 03:28:27 | S | 06 54 38.261 | +60 27 20.02 | – | V | C57 |
| 2023-12-18 03:28:27 | s | 1 -22875.862 | 0 +226968.82 | 0.077 | – | C57 |
| 2023-12-18 03:48:27 | S | 06 54 34.531 | +60 27 30.49 | – | V | C57 |
| 2023-12-18 03:48:27 | s | 1 -23791.786 | 0 +225924.38 | 0.543 | – | C57 |
| 2023-12-18 04:08:26 | S | 06 54 31.776 | +60 27 40.82 | – | V | C57 |
| 2023-12-18 04:08:26 | s | 1 -24706.845 | 0 +224871.48 | 0.174 | – | C57 |
| 2023-12-18 04:28:26 | S | 06 54 28.471 | +60 27 51.98 | – | V | C57 |
| 2023-12-18 04:28:26 | s | 1 -25621.015 | 0 +223810.31 | 0.009 | – | C57 |
| 2023-12-18 06:18:23 | C | 06 54 06.494 | +60 24 18.90 | – | V | 703 |
| 2023-12-18 06:21:38 | C | 06 54 05.958 | +60 24 21.89 | – | V | 703 |
| 2023-12-18 06:24:52 | C | 06 54 05.483 | +60 24 23.90 | – | V | 703 |
| 2023-12-18 06:28:08 | C | 06 54 05.101 | +60 24 26.39 | – | V | 703 |
| 2023-12-18 07:48:26 | S | 06 53 56.923 | +60 29 51.61 | – | V | C57 |
| 2023-12-18 07:48:26 | s | 1 -34703.873 | 0 +212732.20 | 0.96 | – | C57 |
| 2023-12-18 08:08:26 | S | 06 53 54.149 | +60 30 01.98 | – | V | C57 |
| 2023-12-18 08:08:26 | s | 1 -35605.268 | 0 +211577.13 | 0.114 | – | C57 |
| 2023-12-18 08:28:26 | S | 06 53 50.971 | +60 30 13.39 | – | V | C57 |
| 2023-12-18 08:28:26 | s | 1 -36505.237 | 0 +210413.47 | 0.837 | – | C57 |
| 2023-12-18 09:48:26 | S | 06 53 37.776 | +60 30 59.11 | – | V | C57 |
| 2023-12-18 09:48:26 | s | 1 -40089.690 | 0 +205671.41 | 0.77 | – | C57 |
| 2023-12-18 10:08:26 | S | 06 53 34.915 | +60 31 14.12 | – | V | C57 |
| 2023-12-18 10:08:26 | s | 1 -40981.675 | 0 +204463.86 | 0.181 | – | C57 |
| 2023-12-18 10:28:26 | S | 06 53 31.872 | +60 31 17.04 | – | V | C57 |
| 2023-12-18 10:28:26 | s | 1 -41871.927 | 0 +203247.56 | 0.809 | – | C57 |
| 2023-12-18 11:08:26 | S | 06 53 25.980 | +60 31 45.01 | – | V | C57 |
| 2023-12-18 11:08:26 | s | 1 -43646.945 | 0 +200788.30 | 0.28 | – | C57 |
| 2023-12-18 11:28:26 | S | 06 53 22.747 | +60 31 57.36 | – | V | C57 |
| 2023-12-18 11:28:26 | s | 1 -44531.614 | 0 +199545.36 | 0.037 | – | C57 |
| 2023-12-18 11:48:26 | S | 06 53 19.284 | +60 32 05.75 | – | V | C57 |
| 2023-12-18 11:48:26 | s | 1 -45414.313 | 0 +198293.51 | 0.722 | – | C57 |
| 2023-12-18 12:08:26 | S | 06 53 16.219 | +60 32 17.63 | – | V | C57 |
| 2023-12-18 12:08:26 | s | 1 -46294.955 | 0 +197032.59 | 0.194 | – | C57 |
| 2023-12-18 12:28:27 | S | 06 53 13.411 | +60 32 29.65 | – | V | C57 |
| 2023-12-18 12:28:27 | s | 1 -47173.526 | 0 +195762.79 | 0.505 | – | 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 |