| 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 |
|---|---|---|---|---|---|---|
| 2024-05-03 05:53:03 | C | 07 23 31.738 | +25 12 56.92 | – | V | T05 |
| 2024-05-03 05:57:36 | C | 07 23 32.230 | +25 12 51.12 | – | V | T05 |
| 2024-05-03 06:05:25 | C | 07 23 33.043 | +25 12 41.76 | – | V | T05 |
| 2024-05-03 06:23:09 | C | 07 23 34.987 | +25 12 20.66 | – | V | T05 |
| 2024-05-04 03:38:06 | C | 07 25 53.447 | +24 46 40.30 | – | V | 703 |
| 2024-05-04 03:41:27 | C | 07 25 53.753 | +24 46 35.04 | – | V | 703 |
| 2024-05-04 03:44:48 | C | 07 25 54.181 | +24 46 31.26 | – | V | 703 |
| 2024-05-04 03:48:08 | C | 07 25 54.588 | +24 46 27.12 | – | V | 703 |
| 2024-05-07 05:57:41 | C | 07 33 54.576 | +23 14 28.72 | – | V | T05 |
| 2024-05-07 06:03:34 | C | 07 33 55.219 | +23 14 20.11 | – | V | T05 |
| 2024-05-07 06:12:02 | C | 07 33 56.093 | +23 14 10.18 | – | V | T05 |
| 2024-05-07 06:28:30 | C | 07 33 57.826 | +23 13 49.04 | – | V | T05 |
| 2024-05-08 03:54:05 | C | 07 36 15.224 | +22 46 24.42 | – | V | 703 |
| 2024-05-08 03:57:22 | C | 07 36 15.664 | +22 46 19.27 | – | V | 703 |
| 2024-05-08 04:03:56 | C | 07 36 16.369 | +22 46 13.22 | – | V | 703 |
| 2024-05-08 05:58:06 | C | 07 36 28.651 | +22 43 49.08 | – | V | T05 |
| 2024-05-08 06:03:19 | C | 07 36 29.246 | +22 43 41.88 | – | V | T05 |
| 2024-05-08 06:11:47 | C | 07 36 30.079 | +22 43 31.30 | – | V | T05 |
| 2024-05-08 06:28:07 | C | 07 36 31.858 | +22 43 09.98 | – | V | T05 |
| 2024-05-17 06:12:00 | C | 07 59 00.950 | +17 47 50.64 | – | V | T08 |
| 2024-05-17 06:16:39 | C | 07 59 01.378 | +17 47 43.37 | – | V | T08 |
| 2024-05-17 06:25:18 | C | 07 59 02.230 | +17 47 31.09 | – | V | T08 |
| 2024-05-17 06:46:10 | C | 07 59 04.327 | +17 47 00.42 | – | V | T08 |
| 2024-05-26 16:49:55 | C | 08 21 06.607 | +11 58 04.44 | – | V | M22 |
| 2024-05-26 16:54:33 | C | 08 21 07.046 | +11 57 56.38 | – | V | M22 |
| 2024-05-26 17:02:33 | C | 08 21 07.745 | +11 57 43.70 | – | V | M22 |
| 2024-05-26 17:17:11 | C | 08 21 09.098 | +11 57 19.58 | – | V | M22 |
| 2024-06-02 03:32:01 | C | 08 35 03.178 | +07 35 04.45 | – | V | G96 |
| 2024-06-02 03:36:06 | C | 08 35 03.505 | +07 34 57.00 | – | V | G96 |
| 2024-06-02 03:40:12 | C | 08 35 03.851 | +07 34 49.76 | – | V | G96 |
| 2024-07-02 23:05:18 | C | 09 26 22.548 | -17 36 27.86 | – | V | W68 |
| 2024-07-02 23:19:47 | C | 09 26 23.218 | -17 37 01.52 | – | V | W68 |
| 2024-07-02 23:24:21 | C | 09 26 23.429 | -17 37 11.60 | – | V | W68 |
| 2024-07-02 23:40:55 | C | 09 26 24.317 | -17 37 49.69 | – | V | W68 |
| 2024-07-13 23:01:32 | C | 09 39 25.315 | -28 16 02.86 | – | V | W68 |
| 2024-07-13 23:06:05 | C | 09 39 25.558 | -28 16 13.84 | – | V | W68 |
| 2024-07-13 23:17:08 | C | 09 39 26.002 | -28 16 41.16 | – | V | W68 |
| 2024-07-13 23:32:05 | C | 09 39 26.707 | -28 17 19.07 | – | V | W68 |
| 2024-07-24 23:34:46 | C | 09 52 39.293 | -40 10 56.28 | – | V | W68 |
| 2024-07-24 23:41:20 | C | 09 52 39.629 | -40 11 15.61 | – | V | W68 |
| 2024-07-24 23:48:39 | C | 09 52 40.054 | -40 11 36.96 | – | V | W68 |
| 2024-07-25 00:09:27 | C | 09 52 41.182 | -40 12 35.53 | – | V | W68 |
| 2024-08-21 23:54:55 | C | 13 07 15.641 | -79 13 24.49 | – | V | W68 |
| 2024-08-21 23:59:04 | C | 13 07 21.578 | -79 13 35.22 | – | V | W68 |
| 2024-08-22 00:08:40 | C | 13 07 35.376 | -79 13 59.92 | – | V | W68 |
| 2024-08-22 00:26:09 | C | 13 08 00.670 | -79 14 44.92 | – | V | W68 |
| 2024-08-23 19:52:28 | C | 14 23 54.578 | -80 43 27.88 | – | V | M22 |
| 2024-08-23 19:57:06 | C | 14 24 03.722 | -80 43 33.10 | – | V | M22 |
| 2024-08-23 20:04:59 | C | 14 24 19.426 | -80 43 41.88 | – | V | M22 |
| 2024-08-23 20:20:41 | C | 14 24 50.849 | -80 43 59.52 | – | V | M22 |
| 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 |