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 23:28:26 | S | 06 02 36.370 | +62 37 26.65 | – | V | C57 |
| 2023-12-30 23:48:26 | S | 06 02 32.693 | +62 37 28.06 | – | V | C57 |
| 2023-12-31 00:08:26 | S | 06 02 28.704 | +62 37 26.65 | – | V | C57 |
| 2023-12-31 00:28:26 | S | 06 02 25.056 | +62 37 27.70 | – | V | C57 |
| 2023-12-31 03:08:26 | S | 06 01 52.058 | +62 37 23.92 | – | V | C57 |
| 2023-12-31 03:28:26 | S | 06 01 47.851 | +62 37 28.31 | – | V | C57 |
| 2023-12-31 03:48:26 | S | 06 01 43.735 | +62 37 26.22 | – | V | C57 |
| 2023-12-31 04:08:26 | S | 06 01 39.703 | +62 37 29.03 | – | V | C57 |
| 2023-12-31 04:28:26 | S | 06 01 35.890 | +62 37 24.92 | – | V | C57 |
| 2023-12-31 04:48:26 | S | 06 01 31.865 | +62 37 22.51 | – | V | C57 |
| 2023-12-31 05:28:26 | S | 06 01 23.530 | +62 37 20.53 | – | V | C57 |
| 2023-12-31 05:48:26 | S | 06 01 19.694 | +62 37 24.20 | – | V | C57 |
| 2023-12-31 06:08:26 | S | 06 01 15.638 | +62 37 21.43 | – | V | C57 |
| 2023-12-31 06:28:26 | S | 06 01 11.698 | +62 37 21.86 | – | V | C57 |
| 2023-12-31 06:28:26 | s | 1 -10094.254 | 0 +234873.42 | 8710.0 | – | C57 |
| 2023-12-31 06:48:26 | S | 06 01 07.800 | +62 37 18.62 | – | V | C57 |
| 2023-12-31 06:48:26 | s | 1 -11047.555 | 0 +233931.15 | 7100.0 | – | C57 |
| 2023-12-31 07:08:26 | S | 06 01 03.259 | +62 37 23.45 | – | V | C57 |
| 2023-12-31 07:08:26 | s | 1 -12000.489 | 0 +232980.37 | 1800.0 | – | C57 |
| 2023-12-31 07:28:26 | S | 06 01 00.360 | +62 37 22.51 | – | V | C57 |
| 2023-12-31 07:28:26 | s | 1 -12953.026 | 0 +232021.25 | 3090.0 | – | C57 |
| 2023-12-31 08:28:26 | S | 06 00 46.354 | +62 37 17.58 | – | V | C57 |
| 2023-12-31 08:28:26 | s | 1 -15807.852 | 0 +229092.97 | 9480.0 | – | C57 |
| 2023-12-31 08:48:26 | S | 06 00 42.926 | +62 37 25.28 | – | V | C57 |
| 2023-12-31 08:48:26 | s | 1 -16758.405 | 0 +228099.88 | 1120.0 | – | C57 |
| 2023-12-31 09:08:26 | S | 06 00 39.254 | +62 37 12.07 | – | V | C57 |
| 2023-12-31 09:08:26 | s | 1 -17708.356 | 0 +227098.11 | 6170.0 | – | C57 |
| 2023-12-31 09:28:26 | S | 06 00 35.052 | +62 37 12.40 | – | V | C57 |
| 2023-12-31 09:28:26 | s | 1 -18657.676 | 0 +226087.83 | 4950.0 | – | C57 |
| 2023-12-31 09:48:26 | S | 06 00 31.334 | +62 37 11.21 | – | V | C57 |
| 2023-12-31 09:48:26 | s | 1 -19606.321 | 0 +225068.95 | 6670.0 | – | C57 |
| 2023-12-31 10:08:26 | S | 06 00 28.190 | +62 37 14.99 | – | V | C57 |
| 2023-12-31 10:08:26 | s | 1 -20554.238 | 0 +224041.31 | 280.0 | – | C57 |
| 2023-12-31 10:28:26 | S | 06 00 23.570 | +62 37 12.43 | – | V | C57 |
| 2023-12-31 10:28:26 | s | 1 -21501.400 | 0 +223005.08 | 6110.0 | – | C57 |
| 2023-12-31 10:48:26 | S | 06 00 19.330 | +62 37 09.44 | – | V | C57 |
| 2023-12-31 10:48:26 | s | 1 -22447.759 | 0 +221960.16 | 3340.0 | – | C57 |
| 2023-12-31 11:08:26 | S | 06 00 15.454 | +62 37 11.39 | – | V | C57 |
| 2023-12-31 11:08:26 | s | 1 -23393.258 | 0 +220906.40 | 0.089 | – | C57 |
| 2023-12-31 11:28:26 | S | 06 00 11.441 | +62 37 08.44 | – | V | C57 |
| 2023-12-31 11:28:26 | s | 1 -24337.873 | 0 +219843.97 | 0.909 | – | C57 |
| 2023-12-31 11:48:26 | S | 06 00 07.147 | +62 37 08.65 | – | V | C57 |
| 2023-12-31 11:48:26 | s | 1 -25281.552 | 0 +218772.77 | 0.712 | – | C57 |
| 2023-12-31 12:08:26 | S | 06 00 02.690 | +62 37 06.13 | – | V | C57 |
| 2023-12-31 12:08:26 | s | 1 -26224.234 | 0 +217692.65 | 0.383 | – | C57 |
| 2023-12-31 12:48:26 | S | 05 59 54.677 | +62 37 04.98 | – | V | C57 |
| 2023-12-31 12:48:26 | s | 1 -28106.482 | 0 +215506.04 | 0.352 | – | C57 |
| 2023-12-31 13:08:26 | S | 05 59 51.458 | +62 37 04.73 | – | V | C57 |
| 2023-12-31 13:08:26 | s | 1 -29045.928 | 0 +214399.31 | 0.443 | – | C57 |
| 2023-12-31 13:28:26 | S | 05 59 47.630 | +62 37 04.51 | – | V | 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 |