| 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 |
|---|---|---|---|---|---|---|
| 1953-10-12 09:38:59 | – | 02 15 21.55 | +27 24 22.9 | – | – | 675 |
| 1985-09-22 08:08:59 | A | 00 55 05.60 | -01 48 41.1 | 16.0 | – | 675 |
| 1985-09-22 09:29:00 | A | 00 54 52.39 | -01 47 42.0 | – | – | 675 |
| 1985-10-12 21:24:59 | A | 23 51 21.30 | +03 15 10.5 | 19.0 | – | 010 |
| 1985-10-12 21:54:59 | A | 23 51 18.68 | +03 15 26.1 | 19.0 | – | 010 |
| 1992-09-24 10:47:15 | A | 01 38 28.55 | +09 57 17.8 | 17.0 | – | 675 |
| 1992-09-24 11:20:15 | A | 01 38 23.34 | +09 57 34.9 | – | – | 675 |
| 1992-09-26 10:17:30 | A | 01 31 48.22 | +10 21 02.2 | – | – | 675 |
| 1992-09-26 10:47:45 | A | 01 31 43.90 | +10 21 15.3 | – | – | 675 |
| 1992-10-02 07:23:14 | – | 01 11 50.54 | +11 21 07.0 | – | – | 675 |
| 1992-10-02 08:12:14 | – | 01 11 43.38 | +11 21 24.9 | – | – | 675 |
| 1992-10-05 15:03:44 | A | 01 00 49.88 | +11 48 28.7 | – | – | 413 |
| 1992-10-05 15:18:44 | A | 01 00 47.98 | +11 48 31.5 | – | – | 413 |
| 1992-10-06 12:59:53 | C | 00 57 53.54 | +11 55 01.5 | – | – | 413 |
| 1992-10-06 13:02:29 | C | 00 57 53.18 | +11 55 02.3 | – | – | 413 |
| 1992-10-10 14:03:27 | C | 00 45 22.47 | +12 19 54.5 | – | – | 413 |
| 1992-10-10 14:05:53 | C | 00 45 22.12 | +12 19 54.9 | – | – | 413 |
| 1992-10-13 16:30:42 | C | 00 36 30.38 | +12 34 48.4 | – | – | 413 |
| 1992-10-13 16:33:16 | C | 00 36 30.06 | +12 34 48.9 | – | – | 413 |
| 1992-10-20 04:43:59 | A | 00 20 27.54 | +12 56 38.6 | 18.0 | – | 675 |
| 1992-10-20 05:31:14 | A | 00 20 23.02 | +12 56 43.3 | – | – | 675 |
| 1992-10-27 07:18:33 | C | 00 07 10.49 | +13 11 58.1 | – | – | 657 |
| 1992-10-27 07:26:30 | C | 00 07 10.01 | +13 11 58.0 | – | – | 657 |
| 1992-10-27 07:29:24 | C | 00 07 09.84 | +13 11 57.8 | – | – | 657 |
| 1992-10-28 01:39:54 | C | 00 06 01.44 | +13 13 22.4 | – | z | 801 |
| 1992-10-28 01:56:24 | C | 00 06 00.35 | +13 13 23.9 | – | z | 801 |
| 1995-10-25 08:39:59 | – | 05 25 55.52 | +44 43 53.3 | – | – | 261 |
| 1995-10-25 09:34:59 | – | 05 25 53.81 | +44 44 37.6 | – | – | 261 |
| 1995-10-29 10:44:28 | C | 05 22 24.35 | +46 02 04.4 | – | z | 658 |
| 1995-10-29 10:49:54 | C | 05 22 24.08 | +46 02 09.0 | – | z | 658 |
| 1995-10-29 10:56:16 | C | 05 22 23.80 | +46 02 13.8 | – | z | 658 |
| 1995-10-30 11:33:49 | C | 05 21 16.29 | +46 21 47.2 | – | z | 658 |
| 1995-10-30 11:39:29 | C | 05 21 15.96 | +46 21 51.6 | – | z | 658 |
| 1995-10-30 11:54:12 | C | 05 21 15.23 | +46 22 03.0 | – | z | 658 |
| 1995-10-31 09:24:50 | C | 05 20 11.89 | +46 39 03.1 | – | z | 658 |
| 1995-10-31 09:30:52 | C | 05 20 11.56 | +46 39 07.8 | – | z | 658 |
| 1995-10-31 09:36:38 | C | 05 20 11.25 | +46 39 12.6 | – | z | 658 |
| 1995-11-13 11:50:13 | C | 04 55 23.63 | +50 26 40.1 | – | c | 608 |
| 1995-11-13 12:35:46 | C | 04 55 18.40 | +50 27 04.5 | – | c | 608 |
| 1995-11-17 11:15:12 | C | 04 44 26.62 | +51 20 37.7 | – | c | 608 |
| 1995-11-17 12:39:00 | C | 04 44 15.72 | +51 21 20.5 | – | c | 608 |
| 1995-11-20 09:17:22 | C | 04 35 31.42 | +51 53 02.3 | – | z | 658 |
| 1995-11-20 09:26:07 | C | 04 35 30.27 | +51 53 05.9 | – | z | 658 |
| 1995-11-20 09:35:57 | C | 04 35 28.97 | +51 53 08.3 | – | z | 658 |
| 1995-11-20 09:46:31 | C | 04 35 27.45 | +51 53 14.1 | – | z | 658 |
| 1995-11-30 06:53:57 | C | 04 01 50.19 | +52 47 31.5 | – | – | 711 |
| 1995-11-30 07:12:59 | C | 04 01 47.36 | +52 47 32.0 | – | – | 711 |
| 1995-12-08 23:35:28 | C | 03 32 29.55 | +52 19 09.4 | – | z | 595 |
| 1995-12-08 23:44:45 | C | 03 32 28.45 | +52 19 07.5 | – | z | 595 |
| 1995-12-09 21:44:22 | C | 03 29 37.83 | +52 12 23.4 | – | z | 595 |
| 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 |