| 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 |
|---|---|---|---|---|---|---|
| 2024-10-31 07:03:08 | C | 22 06 04.013 | -10 24 30.56 | – | V | T08 |
| 2024-10-31 07:13:11 | C | 22 06 04.678 | -10 24 19.33 | – | V | T08 |
| 2024-10-31 07:21:19 | C | 22 06 05.095 | -10 24 10.94 | – | V | T08 |
| 2024-11-01 01:16:30 | C | 22 07 12.583 | -10 05 00.96 | – | V | W68 |
| 2024-11-01 01:17:09 | C | 22 07 12.660 | -10 04 59.05 | – | V | W68 |
| 2024-11-01 01:21:05 | C | 22 07 12.895 | -10 04 55.45 | – | V | W68 |
| 2024-11-01 01:31:41 | C | 22 07 13.505 | -10 04 43.43 | – | V | W68 |
| 2024-11-01 01:32:19 | C | 22 07 13.570 | -10 04 43.64 | – | V | W68 |
| 2024-11-01 01:36:15 | C | 22 07 13.814 | -10 04 38.21 | – | V | W68 |
| 2024-11-01 01:44:44 | C | 22 07 14.318 | -10 04 30.25 | – | V | W68 |
| 2024-11-02 03:36:32 | C | 22 08 52.040 | -09 37 46.60 | – | V | G96 |
| 2024-11-02 03:44:00 | C | 22 08 52.476 | -09 37 38.82 | – | V | G96 |
| 2024-11-02 03:51:30 | C | 22 08 52.926 | -09 37 31.12 | – | V | G96 |
| 2024-11-02 03:58:58 | C | 22 08 53.358 | -09 37 23.92 | – | V | G96 |
| 2024-11-02 07:06:30 | C | 22 09 05.155 | -09 34 08.26 | – | V | T05 |
| 2024-11-02 07:18:41 | C | 22 09 05.880 | -09 33 55.44 | – | V | T05 |
| 2024-11-02 07:23:15 | C | 22 09 06.197 | -09 33 51.19 | – | V | T05 |
| 2024-11-02 07:43:38 | C | 22 09 07.402 | -09 33 30.20 | – | V | T05 |
| 2024-11-03 11:22:13 | C | 22 10 52.51 | -09 05 24.7 | – | V | D29 |
| 2024-11-03 11:42:34 | C | 22 10 53.72 | -09 05 04.2 | – | V | D29 |
| 2024-11-03 12:02:56 | C | 22 10 54.98 | -09 04 43.7 | – | V | D29 |
| 2024-11-05 01:20:09 | C | 22 13 16.838 | -08 27 29.41 | – | V | W68 |
| 2024-11-05 01:24:45 | C | 22 13 17.078 | -08 27 25.60 | – | V | W68 |
| 2024-11-05 01:33:56 | C | 22 13 17.652 | -08 27 16.16 | – | V | W68 |
| 2024-11-05 01:52:50 | C | 22 13 18.811 | -08 26 58.13 | – | V | W68 |
| 2024-11-06 19:40:54 | C | 22 15 58.920 | -07 46 37.78 | – | V | M22 |
| 2024-11-06 19:46:46 | C | 22 15 59.270 | -07 46 32.12 | – | V | M22 |
| 2024-11-06 19:57:55 | C | 22 15 59.916 | -07 46 22.22 | – | V | M22 |
| 2024-11-06 20:20:10 | C | 22 16 01.433 | -07 46 00.12 | – | V | M22 |
| 2024-11-13 06:45:06 | C | 22 26 01.387 | -05 26 27.16 | – | X | F51 |
| 2024-11-13 06:57:41 | C | 22 26 02.164 | -05 26 16.25 | – | X | F51 |
| 2024-11-13 07:10:14 | C | 22 26 02.980 | -05 26 05.31 | – | X | F51 |
| 2024-11-13 07:22:47 | C | 22 26 03.752 | -05 25 54.45 | – | X | F51 |
| 2024-11-21 02:35:20 | C | 22 38 28.399 | -02 52 15.96 | – | V | 703 |
| 2024-11-21 02:38:36 | C | 22 38 28.655 | -02 52 14.41 | – | V | 703 |
| 2024-11-21 02:41:52 | C | 22 38 28.936 | -02 52 11.03 | – | V | 703 |
| 2024-11-21 02:45:09 | C | 22 38 29.065 | -02 52 07.68 | – | V | 703 |
| 2024-12-14 01:57:16 | C | 23 16 55.510 | +03 39 40.43 | – | V | G96 |
| 2024-12-14 02:05:23 | C | 23 16 56.114 | +03 39 45.43 | – | V | G96 |
| 2024-12-14 02:13:29 | C | 23 16 56.651 | +03 39 51.08 | – | V | G96 |
| 2024-12-14 02:21:38 | C | 23 16 57.212 | +03 39 56.34 | – | V | G96 |
| 2024-12-16 13:09:30 | C | 23 21 12.90 | +04 18 23.2 | – | V | D29 |
| 2024-12-16 13:25:52 | C | 23 21 14.08 | +04 18 33.6 | – | V | D29 |
| 2024-12-17 11:29:18 | C | 23 22 50.72 | +04 32 51.8 | – | V | D29 |
| 2024-12-17 11:47:00 | C | 23 22 52.00 | +04 33 02.9 | – | V | D29 |
| 2024-12-17 12:04:41 | C | 23 22 53.19 | +04 33 15.3 | – | V | D29 |
| 2024-12-18 12:38:14 | C | 23 24 40.85 | +04 49 04.5 | – | V | D29 |
| 2024-12-18 12:55:56 | C | 23 24 42.16 | +04 49 16.6 | – | V | D29 |
| 2024-12-24 12:03:55 | C | 23 35 16.28 | +06 20 19.5 | – | V | D29 |
| 2024-12-24 12:24:17 | C | 23 35 17.79 | +06 20 32.5 | – | V | D29 |
| 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 |