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 |
|---|---|---|---|---|---|---|
| 2023-12-19 00:08:26 | S | 06 51 21.574 | +60 38 48.77 | – | V | C57 |
| 2023-12-19 00:08:26 | s | 1 -76075.390 | 0 +145514.97 | 0.766 | – | C57 |
| 2023-12-19 00:28:26 | S | 06 51 17.978 | +60 38 51.94 | – | V | C57 |
| 2023-12-19 00:28:26 | s | 1 -76830.740 | 0 +143910.37 | 0.554 | – | C57 |
| 2023-12-19 01:28:26 | S | 06 51 08.894 | +60 39 33.26 | – | V | C57 |
| 2023-12-19 01:28:26 | s | 1 -79066.080 | 0 +139039.74 | 0.891 | – | C57 |
| 2023-12-19 01:48:26 | S | 06 51 05.230 | +60 39 40.82 | – | V | C57 |
| 2023-12-19 01:48:26 | s | 1 -79800.641 | 0 +137397.34 | 0.052 | – | C57 |
| 2023-12-19 02:08:26 | S | 06 51 01.970 | +60 39 50.72 | – | V | C57 |
| 2023-12-19 02:08:26 | s | 1 -80529.661 | 0 +135745.39 | 0.434 | – | C57 |
| 2023-12-19 02:28:26 | S | 06 50 58.872 | +60 40 00.98 | – | V | C57 |
| 2023-12-19 02:28:26 | s | 1 -81253.153 | 0 +134084.10 | 0.129 | – | C57 |
| 2023-12-19 02:48:26 | S | 06 50 55.274 | +60 40 14.02 | – | V | C57 |
| 2023-12-19 02:48:26 | s | 1 -81970.962 | 0 +132413.41 | 0.963 | – | C57 |
| 2023-12-19 03:08:26 | S | 06 50 52.627 | +60 40 21.54 | – | V | C57 |
| 2023-12-19 03:08:26 | s | 1 -82682.885 | 0 +130733.21 | 0.693 | – | C57 |
| 2023-12-19 03:28:26 | S | 06 50 49.534 | +60 40 37.67 | – | V | C57 |
| 2023-12-19 03:28:26 | s | 1 -83388.938 | 0 +129043.70 | 0.418 | – | C57 |
| 2023-12-19 03:48:26 | S | 06 50 45.691 | +60 40 42.35 | – | V | C57 |
| 2023-12-19 03:48:26 | s | 1 -84088.957 | 0 +127344.85 | 0.955 | – | C57 |
| 2023-12-19 04:08:26 | S | 06 50 43.085 | +60 40 57.83 | – | V | C57 |
| 2023-12-19 04:08:26 | s | 1 -84782.729 | 0 +125636.52 | 0.056 | – | C57 |
| 2023-12-19 05:08:26 | S | 06 50 32.995 | +60 41 24.72 | – | V | C57 |
| 2023-12-19 05:08:26 | s | 1 -86825.938 | 0 +120455.83 | 0.526 | – | C57 |
| 2023-12-19 05:28:26 | S | 06 50 30.274 | +60 41 35.63 | – | V | C57 |
| 2023-12-19 05:28:26 | s | 1 -87493.856 | 0 +118710.40 | 0.313 | – | C57 |
| 2023-12-19 05:48:26 | S | 06 50 26.789 | +60 41 45.89 | – | V | C57 |
| 2023-12-19 05:48:26 | s | 1 -88154.992 | 0 +116955.75 | 0.234 | – | C57 |
| 2023-12-19 06:08:26 | S | 06 50 23.686 | +60 41 56.04 | – | V | C57 |
| 2023-12-19 06:08:26 | s | 1 -88809.110 | 0 +115191.79 | 0.02 | – | C57 |
| 2023-12-19 06:28:26 | S | 06 50 20.630 | +60 42 03.53 | – | V | C57 |
| 2023-12-19 06:28:26 | s | 1 -89456.235 | 0 +113418.74 | 0.784 | – | C57 |
| 2023-12-19 06:48:26 | S | 06 50 17.206 | +60 42 12.82 | – | V | C57 |
| 2023-12-19 06:48:26 | s | 1 -90096.179 | 0 +111636.58 | 0.327 | – | C57 |
| 2023-12-19 07:08:26 | S | 06 50 13.284 | +60 42 25.02 | – | V | C57 |
| 2023-12-19 07:08:26 | s | 1 -90728.693 | 0 +109845.21 | 0.373 | – | C57 |
| 2023-12-19 08:28:26 | S | 06 50 00.672 | +60 43 06.96 | – | V | C57 |
| 2023-12-19 08:28:26 | s | 1 -93182.810 | 0 +102589.87 | 0.799 | – | C57 |
| 2023-12-19 09:08:26 | S | 06 49 54.588 | +60 43 25.93 | – | V | C57 |
| 2023-12-19 09:08:26 | s | 1 -94362.102 | 0 +98908.743 | 0.57 | – | C57 |
| 2023-12-19 09:28:26 | S | 06 49 51.842 | +60 43 34.72 | – | V | C57 |
| 2023-12-19 09:28:26 | s | 1 -94939.328 | 0 +97055.046 | 0.711 | – | C57 |
| 2023-12-19 22:28:26 | S | 06 47 47.846 | +60 49 37.42 | – | V | C57 |
| 2023-12-19 22:28:26 | s | 1 -109107.38 | 1 +18975.174 | 0.968 | – | C57 |
| 2023-12-20 00:08:26 | S | 06 47 31.241 | +60 50 32.06 | – | V | C57 |
| 2023-12-20 00:08:26 | s | 1 -109433.05 | 5 + 8406.211 | 0.5 | – | C57 |
| 2023-12-25 09:43:43 | C | 06 26 51.569 | +61 57 35.24 | – | V | T05 |
| 2023-12-25 09:46:19 | C | 06 26 51.055 | +61 57 36.76 | – | V | T05 |
| 2023-12-25 09:50:52 | C | 06 26 50.242 | +61 57 38.34 | – | V | T05 |
| 2023-12-25 09:58:42 | C | 06 26 48.763 | +61 57 41.58 | – | V | T05 |
| 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 |