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 |
|---|---|---|---|---|---|---|
| 2023-12-11 14:58:27 | S | 07 14 19.884 | +58 24 59.69 | – | V | C57 |
| 2023-12-11 14:58:27 | s | 1 +226419.15 | 2 +115539.19 | 0.665 | – | C57 |
| 2023-12-11 17:58:27 | S | 07 14 03.228 | +58 27 44.57 | – | V | C57 |
| 2023-12-11 17:58:27 | s | 1 +227718.03 | 5 +125200.64 | 0.239 | – | C57 |
| 2023-12-11 18:18:27 | S | 07 14 01.800 | +58 28 03.65 | – | V | C57 |
| 2023-12-11 18:18:27 | s | 1 +227841.29 | 5 +126262.96 | 0.345 | – | C57 |
| 2023-12-11 18:38:27 | S | 07 13 59.813 | +58 28 18.62 | – | V | C57 |
| 2023-12-11 18:38:27 | s | 1 +227960.33 | 2 +127322.97 | 0.119 | – | C57 |
| 2023-12-11 18:58:27 | S | 07 13 57.422 | +58 28 40.87 | – | V | C57 |
| 2023-12-11 18:58:27 | s | 1 +228075.25 | 5 +128380.72 | 0.651 | – | C57 |
| 2023-12-11 19:18:27 | S | 07 13 55.682 | +58 28 57.72 | – | V | C57 |
| 2023-12-11 19:18:27 | s | 1 +228186.04 | 1 +129436.17 | 0.932 | – | C57 |
| 2023-12-11 19:38:27 | S | 07 13 53.525 | +58 29 15.61 | – | V | C57 |
| 2023-12-11 19:38:27 | s | 1 +228292.64 | 3 +130489.28 | 0.929 | – | C57 |
| 2023-12-11 21:38:27 | S | 07 13 42.396 | +58 31 03.65 | – | V | C57 |
| 2023-12-11 21:38:27 | s | 1 +228846.32 | 3 +136758.89 | 0.818 | – | C57 |
| 2023-12-11 21:58:27 | S | 07 13 40.462 | +58 31 24.89 | – | V | C57 |
| 2023-12-11 21:58:27 | s | 1 +228924.37 | 1 +137795.55 | 0.577 | – | C57 |
| 2023-12-11 22:18:27 | S | 07 13 38.371 | +58 31 39.68 | – | V | C57 |
| 2023-12-11 22:18:27 | s | 1 +228998.39 | 2 +138829.81 | 0.222 | – | C57 |
| 2023-12-11 22:38:27 | S | 07 13 36.718 | +58 32 00.82 | – | V | C57 |
| 2023-12-11 22:38:27 | s | 1 +229068.33 | 5 +139861.63 | 0.723 | – | C57 |
| 2023-12-11 22:58:27 | S | 07 13 34.193 | +58 32 18.96 | – | V | C57 |
| 2023-12-11 22:58:27 | s | 1 +229134.30 | 5 +140891.07 | 0.164 | – | C57 |
| 2023-12-11 23:18:27 | S | 07 13 32.760 | +58 32 36.56 | – | V | C57 |
| 2023-12-11 23:18:27 | s | 1 +229196.28 | 2 +141918.08 | 0.535 | – | C57 |
| 2023-12-12 00:58:27 | S | 07 13 23.520 | +58 34 10.42 | – | V | C57 |
| 2023-12-12 00:58:27 | s | 1 +229446.39 | 6 +147016.33 | 0.665 | – | C57 |
| 2023-12-12 01:18:27 | S | 07 13 21.451 | +58 34 27.88 | – | V | C57 |
| 2023-12-12 01:18:27 | s | 1 +229484.59 | 1 +148028.58 | 0.882 | – | C57 |
| 2023-12-12 01:38:27 | S | 07 13 19.298 | +58 34 40.48 | – | V | C57 |
| 2023-12-12 01:38:27 | s | 1 +229518.81 | 2 +149038.30 | 0.086 | – | C57 |
| 2023-12-12 01:58:27 | S | 07 13 17.347 | +58 35 04.63 | – | V | C57 |
| 2023-12-12 01:58:27 | s | 1 +229549.16 | 0 +150045.54 | 0.359 | – | C57 |
| 2023-12-12 04:38:27 | S | 07 13 01.387 | +58 37 27.05 | – | V | C57 |
| 2023-12-12 04:38:27 | s | 1 +229652.26 | 2 +158012.10 | 0.513 | – | C57 |
| 2023-12-12 04:58:27 | S | 07 13 00.098 | +58 37 45.84 | – | V | C57 |
| 2023-12-12 04:58:27 | s | 1 +229647.87 | 2 +158996.38 | 0.751 | – | C57 |
| 2023-12-12 05:38:27 | S | 07 12 55.073 | +58 38 24.00 | – | V | C57 |
| 2023-12-12 05:38:27 | s | 1 +229627.65 | 0 +160957.11 | 0.74 | – | C57 |
| 2023-12-12 06:18:27 | S | 07 12 51.122 | +58 38 59.03 | – | V | C57 |
| 2023-12-12 06:18:27 | s | 1 +229592.32 | 2 +162907.41 | 0.563 | – | C57 |
| 2023-12-12 06:38:27 | S | 07 12 49.534 | +58 39 20.05 | – | V | C57 |
| 2023-12-12 06:38:27 | s | 1 +229568.96 | 0 +163878.59 | 0.777 | – | C57 |
| 2023-12-12 08:18:27 | S | 07 12 39.247 | +58 40 44.58 | – | V | C57 |
| 2023-12-12 08:18:27 | s | 1 +229396.18 | 5 +168694.78 | 0.833 | – | C57 |
| 2023-12-12 08:58:27 | S | 07 12 35.383 | +58 41 21.23 | – | V | C57 |
| 2023-12-12 08:58:27 | s | 1 +229301.03 | 1 +170602.50 | 0.873 | – | C57 |
| 2023-12-12 09:18:27 | S | 07 12 33.550 | +58 41 40.16 | – | V | C57 |
| 2023-12-12 09:18:27 | s | 1 +229247.94 | 7 +171552.33 | 0.4 | – | 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 |