| 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 |
|---|---|---|---|---|---|---|
| 2024-09-28 04:43:41 | C | 21 16 17.856 | -32 17 56.26 | – | V | W68 |
| 2024-09-28 04:48:18 | C | 21 16 18.158 | -32 17 44.34 | – | V | W68 |
| 2024-09-28 04:57:38 | C | 21 16 18.766 | -32 17 19.86 | – | V | W68 |
| 2024-09-28 05:13:36 | C | 21 16 19.805 | -32 16 38.14 | – | V | W68 |
| 2024-09-28 06:36:45 | C | 21 16 27.230 | -32 13 27.30 | – | X | F51 |
| 2024-09-28 06:53:47 | C | 21 16 28.288 | -32 12 43.60 | – | X | F51 |
| 2024-09-28 07:10:47 | C | 21 16 29.339 | -32 11 59.99 | – | X | F51 |
| 2024-09-28 07:27:48 | C | 21 16 30.392 | -32 11 16.29 | – | X | F51 |
| 2024-09-29 02:23:06 | C | 21 17 48.576 | -31 23 00.13 | – | V | W68 |
| 2024-09-29 02:27:55 | C | 21 17 48.874 | -31 22 48.07 | – | V | W68 |
| 2024-09-29 02:37:18 | C | 21 17 49.457 | -31 22 24.49 | – | V | W68 |
| 2024-09-29 02:53:57 | C | 21 17 50.482 | -31 21 42.44 | – | V | W68 |
| 2024-10-02 02:08:20 | C | 21 22 37.135 | -28 31 36.73 | – | V | W68 |
| 2024-10-02 02:15:56 | C | 21 22 37.572 | -28 31 19.42 | – | V | W68 |
| 2024-10-02 02:20:43 | C | 21 22 37.870 | -28 31 08.47 | – | V | W68 |
| 2024-10-02 02:36:11 | C | 21 22 38.784 | -28 30 33.05 | – | V | W68 |
| 2024-10-03 02:13:27 | C | 21 24 11.357 | -27 37 35.58 | – | V | W68 |
| 2024-10-03 02:18:48 | C | 21 24 11.681 | -27 37 23.59 | – | V | W68 |
| 2024-10-03 02:28:15 | C | 21 24 12.226 | -27 37 02.71 | – | V | W68 |
| 2024-10-03 02:42:22 | C | 21 24 13.049 | -27 36 31.18 | – | V | W68 |
| 2024-10-03 03:26:54 | C | 21 24 16.715 | -27 35 12.30 | – | V | 703 |
| 2024-10-03 03:30:08 | C | 21 24 16.837 | -27 35 05.42 | – | V | 703 |
| 2024-10-03 03:33:23 | C | 21 24 16.992 | -27 34 58.30 | – | V | 703 |
| 2024-10-03 03:36:38 | C | 21 24 17.204 | -27 34 51.17 | – | V | 703 |
| 2024-10-03 20:13:31 | C | 21 25 21.079 | -26 58 17.40 | – | V | M22 |
| 2024-10-03 20:18:12 | C | 21 25 21.358 | -26 58 07.50 | – | V | M22 |
| 2024-10-03 20:26:49 | C | 21 25 21.862 | -26 57 48.60 | – | V | M22 |
| 2024-10-03 20:40:53 | C | 21 25 22.699 | -26 57 18.00 | – | V | M22 |
| 2024-10-04 20:39:46 | C | 21 26 54.852 | -26 06 23.22 | – | V | M22 |
| 2024-10-04 20:45:01 | C | 21 26 55.171 | -26 06 12.10 | – | V | M22 |
| 2024-10-04 20:54:20 | C | 21 26 55.716 | -26 05 52.40 | – | V | M22 |
| 2024-10-04 21:42:43 | C | 21 26 58.565 | -26 04 10.67 | – | V | M22 |
| 2024-10-07 17:55:12 | C | 21 31 17.863 | -23 47 44.30 | – | V | M22 |
| 2024-10-07 18:01:43 | C | 21 31 18.242 | -23 47 31.88 | – | V | M22 |
| 2024-10-07 18:07:36 | C | 21 31 18.593 | -23 47 20.80 | – | V | M22 |
| 2024-10-07 18:11:34 | C | 21 31 18.799 | -23 47 13.27 | – | V | M22 |
| 2024-10-07 18:12:13 | C | 21 31 18.854 | -23 47 11.87 | – | V | M22 |
| 2024-10-07 18:18:50 | C | 21 31 19.231 | -23 46 59.12 | – | V | M22 |
| 2024-10-10 01:16:12 | C | 21 34 43.882 | -22 05 12.23 | – | V | W68 |
| 2024-10-10 01:22:11 | C | 21 34 44.222 | -22 05 01.54 | – | V | W68 |
| 2024-10-10 01:30:40 | C | 21 34 44.698 | -22 04 46.49 | – | V | W68 |
| 2024-10-10 01:49:24 | C | 21 34 45.766 | -22 04 12.86 | – | V | W68 |
| 2024-10-11 02:01:27 | C | 21 36 15.358 | -21 21 30.82 | – | V | W68 |
| 2024-10-11 02:06:07 | C | 21 36 15.638 | -21 21 22.75 | – | V | W68 |
| 2024-10-11 02:14:03 | C | 21 36 16.061 | -21 21 08.68 | – | V | W68 |
| 2024-10-11 02:29:02 | C | 21 36 16.944 | -21 20 42.50 | – | V | W68 |
| 2024-10-19 02:11:39 | C | 21 48 01.025 | -16 21 35.14 | – | V | W68 |
| 2024-10-19 02:14:17 | C | 21 48 01.205 | -16 21 31.36 | – | V | W68 |
| 2024-10-19 02:16:17 | C | 21 48 01.298 | -16 21 28.15 | – | V | W68 |
| 2024-10-19 02:18:56 | C | 21 48 01.459 | -16 21 25.24 | – | V | W68 |
| 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 |