| 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 |
|---|---|---|---|---|---|---|
| 2024-01-06 09:43:35 | C | 05 34 18.571 | +62 20 49.63 | – | V | T05 |
| 2024-01-06 09:45:32 | C | 05 34 18.233 | +62 20 49.16 | – | V | T05 |
| 2024-01-06 10:00:21 | C | 05 34 15.492 | +62 20 45.74 | – | V | T05 |
| 2024-01-08 11:17:30 | C | 05 25 45.782 | +62 06 54.58 | – | V | T08 |
| 2024-01-08 11:21:39 | C | 05 25 45.036 | +62 06 52.74 | – | V | T08 |
| 2024-01-08 11:33:01 | C | 05 25 43.006 | +62 06 48.71 | – | V | T08 |
| 2024-01-11 07:25:06 | C | 05 14 47.360 | +61 40 12.07 | – | V | 703 |
| 2024-01-11 07:28:26 | C | 05 14 46.892 | +61 40 10.96 | – | V | 703 |
| 2024-01-11 07:31:47 | C | 05 14 46.223 | +61 40 09.05 | – | V | 703 |
| 2024-01-11 07:35:08 | C | 05 14 45.805 | +61 40 06.74 | – | V | 703 |
| 2024-01-14 07:06:43 | C | 05 04 22.620 | +61 03 44.21 | – | V | 703 |
| 2024-01-14 07:09:58 | C | 05 04 22.285 | +61 03 42.08 | – | V | 703 |
| 2024-01-14 07:13:13 | C | 05 04 21.850 | +61 03 40.72 | – | V | 703 |
| 2024-01-14 07:16:28 | C | 05 04 21.338 | +61 03 39.17 | – | V | 703 |
| 2024-01-16 07:44:17 | C | 04 58 03.817 | +60 34 49.73 | – | V | 703 |
| 2024-01-16 07:47:31 | C | 04 58 03.364 | +60 34 47.39 | – | V | 703 |
| 2024-01-16 07:50:46 | C | 04 58 02.993 | +60 34 45.52 | – | V | 703 |
| 2024-01-16 07:54:01 | C | 04 58 02.442 | +60 34 42.02 | – | V | 703 |
| 2024-01-16 08:47:35 | C | 04 57 56.642 | +60 34 14.81 | – | V | T08 |
| 2024-01-16 08:51:43 | C | 04 57 56.112 | +60 34 12.14 | – | V | T08 |
| 2024-01-16 09:00:33 | C | 04 57 54.934 | +60 34 06.49 | – | V | T08 |
| 2024-01-16 09:15:14 | C | 04 57 53.026 | +60 33 56.88 | – | V | T08 |
| 2024-01-18 09:12:03 | C | 04 52 18.329 | +60 02 36.56 | – | V | T05 |
| 2024-01-18 09:22:03 | C | 04 52 17.179 | +60 02 29.62 | – | V | T05 |
| 2024-01-18 09:26:37 | C | 04 52 16.680 | +60 02 25.91 | – | V | T05 |
| 2024-01-18 09:27:56 | C | 04 52 16.510 | +60 02 25.37 | – | V | T05 |
| 2024-01-18 09:34:27 | C | 04 52 15.746 | +60 02 20.58 | – | V | T05 |
| 2024-01-18 09:51:02 | C | 04 52 13.781 | +60 02 09.28 | – | V | T05 |
| 2024-01-22 08:33:47 | C | 04 43 05.040 | +58 53 53.77 | – | V | T05 |
| 2024-01-22 08:38:21 | C | 04 43 04.668 | +58 53 51.36 | – | V | T05 |
| 2024-01-22 09:01:36 | C | 04 43 02.609 | +58 53 32.10 | – | V | T05 |
| 2024-01-22 09:10:43 | C | 04 43 01.793 | +58 53 25.26 | – | V | T05 |
| 2024-01-28 19:21:46 | B | 04 33 12.89 | +56 50 48.8 | – | V | 130 |
| 2024-01-28 19:32:31 | B | 04 33 12.35 | +56 50 40.0 | – | V | 130 |
| 2024-01-31 03:18:13 | C | 04 31 04.292 | +56 04 37.13 | – | V | G96 |
| 2024-01-31 03:26:35 | C | 04 31 03.968 | +56 04 30.36 | – | V | G96 |
| 2024-01-31 03:34:57 | C | 04 31 03.626 | +56 04 22.87 | – | V | G96 |
| 2024-01-31 03:43:17 | C | 04 31 03.335 | +56 04 16.21 | – | V | G96 |
| 2024-02-01 09:35:29 | C | 04 30 11.040 | +55 39 24.19 | – | V | T08 |
| 2024-02-01 09:39:38 | C | 04 30 10.810 | +55 39 21.46 | – | V | T08 |
| 2024-02-01 09:49:22 | C | 04 30 10.613 | +55 39 11.66 | – | V | T08 |
| 2024-02-01 10:40:09 | C | 04 30 09.134 | +55 38 27.92 | – | V | T08 |
| 2024-02-03 07:57:03 | C | 04 29 14.162 | +55 00 48.02 | – | V | T05 |
| 2024-02-03 08:01:10 | C | 04 29 14.052 | +55 00 44.28 | – | V | T05 |
| 2024-02-03 08:09:14 | C | 04 29 13.884 | +55 00 37.58 | – | V | T05 |
| 2024-02-03 08:24:40 | C | 04 29 13.601 | +55 00 23.94 | – | V | T05 |
| 2024-02-07 07:11:19 | C | 04 28 36.187 | +53 41 40.60 | – | V | T05 |
| 2024-02-07 07:16:32 | C | 04 28 36.281 | +53 41 36.53 | – | V | T05 |
| 2024-02-07 07:31:11 | C | 04 28 36.194 | +53 41 24.07 | – | V | T05 |
| 2024-02-07 07:40:56 | C | 04 28 36.226 | +53 41 16.01 | – | V | T05 |
| 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 |