| 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 |
|---|---|---|---|---|---|---|
| 2017-10-27 06:16:37 | C | 21 24 28.11 | -18 05 45.3 | – | – | T05 |
| 2017-10-27 06:21:55 | C | 21 24 28.63 | -18 05 37.4 | – | – | T05 |
| 2017-10-27 06:26:30 | C | 21 24 29.06 | -18 05 31.1 | – | – | T05 |
| 2017-10-27 06:31:49 | C | 21 24 29.57 | -18 05 24.4 | – | – | T05 |
| 2017-10-27 06:36:26 | C | 21 24 30.02 | -18 05 17.9 | – | – | T05 |
| 2017-10-27 06:41:41 | C | 21 24 30.53 | -18 05 11.4 | – | – | T05 |
| 2017-11-06 10:30:16 | C | 21 47 26.09 | -13 09 33.4 | – | q | D29 |
| 2017-11-06 10:50:38 | C | 21 47 27.78 | -13 09 10.7 | – | q | D29 |
| 2017-11-06 11:11:00 | C | 21 47 29.52 | -13 08 49.2 | – | q | D29 |
| 2017-11-07 06:27:24 | C | 21 49 12.86 | -12 47 25.5 | – | U | T08 |
| 2017-11-07 06:38:53 | C | 21 49 13.85 | -12 47 12.4 | – | U | T08 |
| 2017-11-07 06:50:26 | C | 21 49 14.77 | -12 46 59.4 | – | U | T08 |
| 2017-11-07 07:02:06 | C | 21 49 15.75 | -12 46 47.6 | – | U | T08 |
| 2017-11-13 06:36:54 | C | 22 01 48.74 | -10 15 39.7 | – | U | T05 |
| 2017-11-13 06:47:08 | C | 22 01 49.59 | -10 15 29.3 | – | U | T05 |
| 2017-11-13 06:58:11 | C | 22 01 50.56 | -10 15 18.2 | – | U | T05 |
| 2017-11-13 07:08:23 | C | 22 01 51.37 | -10 15 07.5 | – | U | T05 |
| 2017-11-15 02:08:52 | C | 22 05 32.29 | -09 32 17.7 | – | o | 691 |
| 2017-11-15 02:24:40 | C | 22 05 33.61 | -09 32 02.2 | – | o | 691 |
| 2017-11-15 02:40:24 | C | 22 05 34.90 | -09 31 46.1 | – | o | 691 |
| 2017-11-16 03:51:33 | C | 22 07 43.01 | -09 07 09.4 | – | U | 703 |
| 2017-11-16 03:59:31 | C | 22 07 43.75 | -09 07 01.0 | – | U | 703 |
| 2017-11-16 04:07:26 | C | 22 07 44.44 | -09 06 53.2 | – | U | 703 |
| 2017-11-16 04:15:23 | C | 22 07 45.07 | -09 06 44.8 | – | U | 703 |
| 2017-11-20 02:42:04 | C | 22 15 41.64 | -07 37 11.5 | – | U | G96 |
| 2017-11-20 02:50:19 | C | 22 15 42.31 | -07 37 03.9 | – | U | G96 |
| 2017-11-20 02:58:38 | C | 22 15 42.99 | -07 36 56.5 | – | U | G96 |
| 2017-11-20 03:06:58 | C | 22 15 43.67 | -07 36 48.5 | – | U | G96 |
| 2017-11-21 06:22:59 | C | 22 17 59.95 | -07 11 42.2 | – | U | T05 |
| 2017-11-21 06:25:43 | C | 22 18 00.12 | -07 11 37.7 | – | U | T05 |
| 2017-11-21 06:37:32 | C | 22 18 01.12 | -07 11 28.3 | – | U | T05 |
| 2017-11-21 06:50:15 | C | 22 18 02.15 | -07 11 16.3 | – | U | T05 |
| 2017-11-24 03:02:23 | C | 22 23 41.13 | -06 09 55.0 | – | U | 703 |
| 2017-11-24 03:12:04 | C | 22 23 41.85 | -06 09 45.6 | – | U | 703 |
| 2017-11-24 03:21:42 | C | 22 23 42.60 | -06 09 37.4 | – | U | 703 |
| 2017-11-24 03:31:25 | C | 22 23 43.38 | -06 09 30.2 | – | U | 703 |
| 2017-12-09 03:07:54 | C | 22 52 56.55 | -01 12 07.8 | – | U | 703 |
| 2017-12-09 03:23:16 | C | 22 52 57.81 | -01 11 55.2 | – | U | 703 |
| 2017-12-09 03:30:57 | C | 22 52 58.41 | -01 11 49.9 | – | U | 703 |
| 2019-11-04 12:10:39 | C | 10 08 22.24 | +29 57 15.4 | – | V | G96 |
| 2019-11-04 12:18:25 | C | 10 08 23.14 | +29 57 12.9 | – | V | G96 |
| 2019-11-04 12:23:11 | C | 10 08 23.69 | +29 57 11.4 | – | V | G96 |
| 2019-11-04 12:30:58 | C | 10 08 24.58 | +29 57 08.5 | – | V | G96 |
| 2019-12-03 10:52:27 | C | 11 31 31.31 | +25 08 55.8 | – | V | 703 |
| 2019-12-03 10:59:59 | C | 11 31 32.17 | +25 08 51.8 | – | V | 703 |
| 2019-12-03 11:07:32 | C | 11 31 33.20 | +25 08 48.3 | – | V | 703 |
| 2019-12-03 11:15:03 | C | 11 31 33.98 | +25 08 44.4 | – | V | 703 |
| 2019-12-08 14:16:20 | C | 11 46 44.70 | +24 03 35.0 | – | V | T08 |
| 2019-12-08 14:22:37 | C | 11 46 45.51 | +24 03 31.1 | – | V | T08 |
| 2019-12-08 14:30:17 | C | 11 46 46.40 | +24 03 26.9 | – | 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 |