| 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 |
|---|---|---|---|---|---|---|
| 2021-01-07 04:42:37 | C | 01 23 44.84 | +29 55 57.9 | – | U | I41 |
| 2021-01-07 05:13:40 | C | 01 23 46.43 | +29 56 00.0 | – | V | T08 |
| 2021-01-07 05:18:19 | C | 01 23 46.64 | +29 55 59.4 | – | V | T08 |
| 2021-01-07 05:53:32 | C | 01 23 48.14 | +29 55 57.8 | – | V | T08 |
| 2021-01-07 06:04:16 | C | 01 23 48.57 | +29 55 57.5 | – | V | T08 |
| 2021-01-07 06:22:39 | C | 01 23 49.341 | +29 55 56.84 | – | U | F52 |
| 2021-01-07 06:38:30 | C | 01 23 50.010 | +29 55 56.29 | – | U | F52 |
| 2021-01-07 06:54:23 | C | 01 23 50.681 | +29 55 55.63 | – | U | F52 |
| 2021-01-07 07:10:16 | C | 01 23 51.353 | +29 55 55.04 | – | U | F52 |
| 2021-01-09 03:43:57 | C | 01 25 53.16 | +29 54 53.8 | – | U | I41 |
| 2021-01-09 05:19:11 | C | 01 25 57.49 | +29 54 51.7 | – | U | I41 |
| 2021-01-09 05:54:31 | C | 01 25 59.09 | +29 54 50.6 | – | U | I41 |
| 2021-01-13 05:18:55 | C | 01 30 43.142 | +29 55 07.55 | – | U | F52 |
| 2021-01-13 05:35:41 | C | 01 30 43.989 | +29 55 07.74 | – | U | F52 |
| 2021-01-13 05:52:20 | C | 01 30 44.811 | +29 55 08.07 | – | U | F52 |
| 2021-01-13 06:09:00 | C | 01 30 45.651 | +29 55 08.24 | – | U | F52 |
| 2021-01-14 03:20:11 | C | 01 31 52.68 | +29 55 34.3 | – | V | G96 |
| 2021-01-14 03:28:22 | C | 01 31 53.11 | +29 55 34.5 | – | V | G96 |
| 2021-01-14 03:36:33 | C | 01 31 53.53 | +29 55 34.6 | – | V | G96 |
| 2021-01-14 03:44:45 | C | 01 31 53.96 | +29 55 34.9 | – | V | G96 |
| 2021-01-30 05:36:29 | C | 01 55 55.161 | +30 25 38.12 | – | U | F51 |
| 2021-01-30 05:56:12 | C | 01 55 56.508 | +30 25 40.25 | – | U | F51 |
| 2021-01-30 06:16:13 | C | 01 55 57.893 | +30 25 42.35 | – | U | F51 |
| 2021-01-30 06:35:59 | C | 01 55 59.234 | +30 25 44.96 | – | U | F51 |
| 2021-01-31 06:57:39 | C | 01 57 42.738 | +30 28 46.27 | – | U | F51 |
| 2021-01-31 07:15:29 | C | 01 57 43.993 | +30 28 48.05 | – | U | F51 |
| 2021-01-31 07:33:16 | C | 01 57 45.258 | +30 28 50.27 | – | U | F51 |
| 2021-04-13 02:53:59 | C | 04 47 11.71 | +34 26 17.4 | – | V | G96 |
| 2021-04-13 03:00:04 | C | 04 47 12.47 | +34 26 17.5 | – | V | G96 |
| 2021-04-13 03:06:09 | C | 04 47 13.20 | +34 26 17.3 | – | V | G96 |
| 2021-04-13 03:12:15 | C | 04 47 14.13 | +34 26 16.8 | – | V | G96 |
| 2023-10-20 09:44:57 | C | 07 07 18.570 | +42 00 34.45 | – | V | G96 |
| 2023-10-20 09:52:23 | C | 07 07 19.024 | +42 00 38.70 | – | V | G96 |
| 2023-10-20 09:59:48 | C | 07 07 19.470 | +42 00 42.98 | – | V | G96 |
| 2023-10-20 10:07:13 | C | 07 07 19.938 | +42 00 47.09 | – | V | G96 |
| 2023-10-21 09:08:43 | C | 07 08 46.226 | +42 13 30.76 | – | V | G96 |
| 2023-10-21 09:15:33 | C | 07 08 46.633 | +42 13 34.79 | – | V | G96 |
| 2023-10-21 09:22:22 | C | 07 08 47.033 | +42 13 38.64 | – | V | G96 |
| 2023-10-21 09:29:12 | C | 07 08 47.447 | +42 13 42.49 | – | V | G96 |
| 2023-11-05 11:27:51 | C | 07 27 32.800 | +46 00 05.47 | – | V | 703 |
| 2023-11-05 11:35:33 | C | 07 27 33.077 | +46 00 11.48 | – | V | 703 |
| 2023-11-05 11:43:15 | C | 07 27 33.376 | +46 00 16.70 | – | V | 703 |
| 2023-11-08 08:50:12 | C | 07 30 07.279 | +46 49 49.33 | – | V | 703 |
| 2023-11-08 08:58:26 | C | 07 30 07.438 | +46 49 56.82 | – | V | 703 |
| 2023-11-08 09:06:39 | C | 07 30 07.744 | +46 50 02.54 | – | V | 703 |
| 2023-11-08 09:14:54 | C | 07 30 07.985 | +46 50 08.81 | – | V | 703 |
| 2023-11-08 14:10:27 | C | 07 30 17.663 | +46 53 48.99 | – | X | F52 |
| 2023-11-08 14:24:26 | C | 07 30 18.082 | +46 53 59.40 | – | X | F52 |
| 2023-11-08 14:38:23 | C | 07 30 18.494 | +46 54 09.63 | – | X | F52 |
| 2023-11-08 14:52:23 | C | 07 30 18.914 | +46 54 19.93 | – | X | F52 |
| 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 |