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 |
|---|---|---|---|---|---|---|
| 2024-01-01 13:28:26 | s | 1 -90173.821 | 0 +108199.75 | 0.602 | – | C57 |
| 2024-01-01 14:08:26 | S | 05 54 52.344 | +62 34 18.16 | – | V | C57 |
| 2024-01-01 14:08:26 | s | 1 -91474.512 | 0 +104571.15 | 0.337 | – | C57 |
| 2024-01-01 14:48:26 | S | 05 54 44.582 | +62 34 09.98 | – | V | C57 |
| 2024-01-01 14:48:26 | s | 1 -92743.400 | 0 +100906.07 | 0.196 | – | C57 |
| 2024-01-01 15:28:26 | S | 05 54 36.154 | +62 34 02.60 | – | V | C57 |
| 2024-01-01 15:28:26 | s | 1 -93979.097 | 0 +97204.759 | 0.922 | – | C57 |
| 2024-01-01 15:48:26 | S | 05 54 32.690 | +62 34 03.97 | – | V | C57 |
| 2024-01-01 15:48:26 | s | 1 -94584.217 | 0 +95340.784 | 0.18 | – | C57 |
| 2024-01-01 16:08:26 | S | 05 54 28.109 | +62 33 59.08 | – | V | C57 |
| 2024-01-01 16:08:26 | s | 1 -95180.490 | 0 +93467.867 | 0.663 | – | C57 |
| 2024-01-01 16:28:26 | S | 05 54 24.619 | +62 33 52.16 | – | V | C57 |
| 2024-01-01 16:28:26 | s | 1 -95767.958 | 0 +91586.279 | 0.506 | – | C57 |
| 2024-01-01 18:28:26 | S | 05 54 01.471 | +62 33 32.69 | – | V | C57 |
| 2024-01-01 18:28:26 | s | 1 -99096.689 | 0 +80117.154 | 0.174 | – | C57 |
| 2024-01-01 18:48:26 | S | 05 53 57.559 | +62 33 30.96 | – | V | C57 |
| 2024-01-01 18:48:26 | s | 1 -99617.311 | 0 +78176.594 | 0.094 | – | C57 |
| 2024-01-01 19:08:26 | S | 05 53 54.079 | +62 33 28.87 | – | V | C57 |
| 2024-01-01 19:08:26 | s | 1 -100127.57 | 1 +76227.888 | 0.048 | – | C57 |
| 2024-01-01 19:28:26 | S | 05 53 49.610 | +62 33 28.51 | – | V | C57 |
| 2024-01-01 19:28:26 | s | 1 -100627.52 | 9 +74271.324 | 0.197 | – | C57 |
| 2024-01-01 19:48:26 | S | 05 53 45.792 | +62 33 29.23 | – | V | C57 |
| 2024-01-01 19:48:26 | s | 1 -101116.92 | 6 +72306.951 | 0.308 | – | C57 |
| 2024-01-01 20:08:26 | S | 05 53 42.264 | +62 33 19.69 | – | V | C57 |
| 2024-01-01 20:08:26 | s | 1 -101595.42 | 4 +70334.771 | 0.052 | – | C57 |
| 2024-01-01 20:28:26 | S | 05 53 38.419 | +62 33 15.77 | – | V | C57 |
| 2024-01-01 20:28:26 | s | 1 -102063.08 | 9 +68355.082 | 0.599 | – | C57 |
| 2024-01-01 20:48:26 | S | 05 53 33.576 | +62 33 02.23 | – | V | C57 |
| 2024-01-01 20:48:26 | s | 1 -102519.65 | 2 +66367.945 | 0.711 | – | C57 |
| 2024-01-01 21:08:26 | S | 05 53 31.200 | +62 32 58.78 | – | V | C57 |
| 2024-01-01 21:08:26 | s | 1 -102964.76 | 4 +64373.386 | 0.057 | – | C57 |
| 2024-01-01 21:28:26 | S | 05 53 26.647 | +62 33 02.38 | – | V | C57 |
| 2024-01-01 21:28:26 | s | 1 -103398.49 | 6 +62371.706 | 0.813 | – | C57 |
| 2024-01-01 22:48:26 | S | 05 53 11.707 | +62 32 47.69 | – | V | C57 |
| 2024-01-01 22:48:26 | s | 1 -105014.64 | 9 +54295.885 | 0.858 | – | C57 |
| 2024-01-01 23:08:26 | S | 05 53 07.807 | +62 32 41.75 | – | V | C57 |
| 2024-01-01 23:08:26 | s | 1 -105387.94 | 8 +52260.382 | 0.866 | – | C57 |
| 2024-01-01 23:28:26 | S | 05 53 04.327 | +62 32 37.61 | – | V | C57 |
| 2024-01-01 23:28:26 | s | 1 -105748.73 | 8 +50218.676 | 0.516 | – | C57 |
| 2024-01-01 23:48:26 | S | 05 53 00.451 | +62 32 36.38 | – | V | C57 |
| 2024-01-01 23:48:26 | s | 1 -106096.72 | 8 +48170.887 | 0.565 | – | C57 |
| 2024-01-02 00:08:26 | S | 05 52 56.424 | +62 32 34.73 | – | V | C57 |
| 2024-01-02 00:08:26 | s | 1 -106431.52 | 9 +46117.110 | 0.67 | – | C57 |
| 2024-01-02 00:28:26 | S | 05 52 52.620 | +62 32 33.07 | – | V | C57 |
| 2024-01-02 00:28:26 | s | 1 -106753.24 | 1 +44057.663 | 0.041 | – | C57 |
| 2024-01-02 00:48:26 | S | 05 52 48.758 | +62 32 25.15 | – | V | C57 |
| 2024-01-02 00:48:26 | s | 1 -107061.56 | 4 +41992.691 | 0.439 | – | C57 |
| 2024-01-02 01:08:26 | S | 05 52 44.575 | +62 32 16.48 | – | V | C57 |
| 2024-01-02 01:08:26 | s | 1 -107356.09 | 9 +39922.314 | 0.518 | – | C57 |
| 2024-01-02 01:28:26 | S | 05 52 40.973 | +62 32 18.42 | – | 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 |