| 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 |
|---|---|---|---|---|---|---|
| 2020-11-04 08:28:43 | C | 02 11 06.94 | +36 31 12.5 | – | V | 703 |
| 2020-11-04 08:37:52 | C | 02 11 05.83 | +36 31 11.3 | – | V | 703 |
| 2020-11-04 08:56:02 | C | 02 11 03.48 | +36 31 08.8 | – | V | 703 |
| 2020-11-04 11:33:39 | C | 02 10 44.34 | +36 30 58.1 | – | V | T08 |
| 2020-11-04 11:39:04 | C | 02 10 43.69 | +36 30 58.0 | – | V | T08 |
| 2020-11-04 11:49:49 | C | 02 10 42.32 | +36 30 56.3 | – | V | T08 |
| 2020-11-04 12:04:02 | C | 02 10 40.54 | +36 30 54.5 | – | V | T08 |
| 2020-11-06 21:56:47 | C | 02 03 45.60 | +36 23 19.5 | – | V | 130 |
| 2020-11-06 21:58:56 | C | 02 03 45.34 | +36 23 19.4 | – | V | 130 |
| 2020-11-06 22:01:05 | C | 02 03 45.08 | +36 23 18.9 | – | V | 130 |
| 2020-11-06 22:03:14 | C | 02 03 44.82 | +36 23 18.5 | – | V | 130 |
| 2020-11-07 22:10:45 | C | 02 00 56.23 | +36 19 05.1 | – | V | 130 |
| 2020-11-07 22:12:54 | C | 02 00 55.96 | +36 19 04.8 | – | V | 130 |
| 2020-11-07 22:15:04 | C | 02 00 55.71 | +36 19 04.3 | – | V | 130 |
| 2020-11-07 22:17:12 | C | 02 00 55.46 | +36 19 03.7 | – | V | 130 |
| 2020-11-08 01:18:04 | C | 02 00 35.37 | +36 18 30.6 | – | V | W46 |
| 2020-11-08 01:34:25 | C | 02 00 33.44 | +36 18 27.7 | – | V | W46 |
| 2020-11-08 01:51:55 | C | 02 00 31.37 | +36 18 24.6 | – | V | W46 |
| 2020-11-08 19:45:35 | C | 01 58 28.67 | +36 14 49.9 | – | q | K73 |
| 2020-11-08 19:51:04 | C | 01 58 27.91 | +36 14 47.7 | – | q | K73 |
| 2020-11-08 19:59:52 | C | 01 58 26.87 | +36 14 47.0 | – | q | K73 |
| 2020-11-08 20:11:56 | C | 01 58 25.45 | +36 14 43.3 | – | q | K73 |
| 2020-11-08 21:16:19 | C | 01 58 18.01 | +36 14 29.4 | – | a | 233 |
| 2020-11-08 21:22:53 | C | 01 58 17.32 | +36 14 27.9 | – | a | 233 |
| 2020-11-08 21:28:59 | C | 01 58 16.56 | +36 14 26.1 | – | a | 233 |
| 2020-11-08 21:35:02 | C | 01 58 15.87 | +36 14 24.9 | – | a | 233 |
| 2020-11-09 09:48:25 | C | 01 56 52.99 | +36 11 51.6 | – | V | T08 |
| 2020-11-09 09:53:03 | C | 01 56 52.45 | +36 11 50.7 | – | V | T08 |
| 2020-11-09 10:02:20 | C | 01 56 51.38 | +36 11 48.2 | – | V | T08 |
| 2020-11-09 10:16:56 | C | 01 56 49.67 | +36 11 45.3 | – | V | T08 |
| 2020-11-11 07:20:45 | C | 01 51 53.74 | +36 00 42.0 | – | U | I41 |
| 2020-11-11 07:22:05 | C | 01 51 53.58 | +36 00 41.5 | – | U | I41 |
| 2020-11-11 08:18:10 | C | 01 51 47.38 | +36 00 26.2 | – | U | I41 |
| 2020-11-11 08:26:00 | C | 01 51 46.53 | +36 00 24.0 | – | U | I41 |
| 2020-11-12 05:01:49 | C | 01 49 36.66 | +35 54 47.2 | – | V | 703 |
| 2020-11-12 05:09:42 | C | 01 49 35.81 | +35 54 45.6 | – | V | 703 |
| 2020-11-12 05:17:43 | C | 01 49 34.92 | +35 54 43.4 | – | V | 703 |
| 2020-11-12 05:25:55 | C | 01 49 34.04 | +35 54 40.8 | – | V | 703 |
| 2020-11-15 03:23:57 | C | 01 42 34.91 | +35 33 12.0 | – | U | I41 |
| 2020-11-15 03:25:18 | C | 01 42 34.78 | +35 33 11.5 | – | U | I41 |
| 2020-11-15 04:18:51 | C | 01 42 29.49 | +35 32 54.9 | – | V | 703 |
| 2020-11-15 04:26:22 | C | 01 42 28.72 | +35 32 52.7 | – | V | 703 |
| 2020-11-15 04:33:54 | C | 01 42 27.95 | +35 32 50.1 | – | V | 703 |
| 2020-11-15 04:41:28 | C | 01 42 27.19 | +35 32 47.7 | – | V | 703 |
| 2020-11-15 05:10:58 | C | 01 42 24.34 | +35 32 37.8 | – | U | I41 |
| 2020-11-15 05:12:25 | C | 01 42 24.20 | +35 32 37.4 | – | U | I41 |
| 2020-11-17 08:59:03 | C | 01 37 39.42 | +35 14 50.0 | – | V | T08 |
| 2020-11-17 09:03:03 | C | 01 37 39.07 | +35 14 48.2 | – | V | T08 |
| 2020-11-17 09:49:11 | C | 01 37 34.84 | +35 14 31.2 | – | V | T08 |
| 2020-11-17 09:57:12 | C | 01 37 34.13 | +35 14 28.3 | – | V | T08 |
| 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 |