IAA Minor Planet Database| 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 |
|---|---|---|---|---|---|---|
| 2016-11-10 09:14:23 | C | 06 56 48.81 | +49 09 28.5 | – | q | 703 |
| 2016-11-10 09:31:47 | C | 06 56 48.43 | +49 09 45.4 | – | q | 703 |
| 2016-11-20 15:31:32 | C | 06 51 30.300 | +52 43 25.47 | – | L | F51 |
| 2016-11-20 15:42:33 | C | 06 51 29.773 | +52 43 34.94 | – | L | F51 |
| 2016-11-20 15:45:32 | C | 06 51 29.635 | +52 43 37.38 | – | L | F51 |
| 2016-11-23 11:56:22 | C | 06 48 07.94 | +53 43 54.6 | – | q | G96 |
| 2016-11-23 12:02:00 | C | 06 48 07.63 | +53 43 59.5 | – | q | G96 |
| 2016-11-23 12:07:33 | C | 06 48 07.25 | +53 44 04.5 | – | q | G96 |
| 2016-11-23 12:13:08 | C | 06 48 06.95 | +53 44 09.1 | – | q | G96 |
| 2016-12-05 07:54:29 | C | 06 23 17.55 | +57 36 59.5 | – | R | G45 |
| 2016-12-05 07:56:26 | C | 06 23 17.31 | +57 37 00.6 | – | R | G45 |
| 2016-12-05 07:56:37 | C | 06 23 17.30 | +57 37 00.9 | – | R | G45 |
| 2016-12-05 08:03:28 | C | 06 23 16.46 | +57 37 05.7 | – | R | G45 |
| 2016-12-05 08:03:34 | C | 06 23 16.40 | +57 37 05.9 | – | R | G45 |
| 2016-12-05 08:03:40 | C | 06 23 16.41 | +57 37 05.9 | – | R | G45 |
| 2016-12-05 08:09:59 | C | 06 23 15.63 | +57 37 10.2 | – | R | G45 |
| 2016-12-05 08:12:04 | C | 06 23 15.35 | +57 37 11.9 | – | R | G45 |
| 2016-12-05 08:12:16 | C | 06 23 15.35 | +57 37 12.1 | – | R | G45 |
| 2016-12-05 08:18:47 | C | 06 23 14.53 | +57 37 16.9 | – | R | G45 |
| 2016-12-05 08:18:53 | C | 06 23 14.51 | +57 37 16.8 | – | R | G45 |
| 2016-12-05 08:25:47 | C | 06 23 13.67 | +57 37 21.7 | – | R | G45 |
| 2016-12-05 08:27:31 | C | 06 23 13.41 | +57 37 22.9 | – | R | G45 |
| 2016-12-24 09:15:09 | C | 05 11 31.21 | +60 20 29.4 | – | L | T05 |
| 2016-12-24 09:42:52 | C | 05 11 26.25 | +60 20 27.2 | – | L | T05 |
| 2016-12-24 09:56:36 | C | 05 11 23.76 | +60 20 26.7 | – | L | T05 |
| 2016-12-24 10:02:04 | C | 05 11 22.83 | +60 20 25.5 | – | L | T05 |
| 2016-12-30 06:01:24 | C | 04 48 28.78 | +59 50 35.2 | – | q | H45 |
| 2016-12-30 06:03:18 | C | 04 48 28.55 | +59 50 34.6 | – | q | H45 |
| 2016-12-30 06:04:42 | C | 04 48 28.25 | +59 50 33.8 | – | q | H45 |
| 2016-12-30 06:06:27 | C | 04 48 27.96 | +59 50 33.1 | – | q | H45 |
| 2016-12-30 06:07:39 | C | 04 48 27.85 | +59 50 32.7 | – | q | H45 |
| 2016-12-30 06:09:13 | C | 04 48 27.64 | +59 50 32.4 | – | q | H45 |
| 2017-01-21 07:41:15 | C | 03 58 41.20 | +54 22 37.7 | – | L | T05 |
| 2017-01-21 07:53:53 | C | 03 58 40.73 | +54 22 28.4 | – | L | T05 |
| 2017-01-21 08:19:20 | C | 03 58 39.84 | +54 22 08.8 | – | L | T05 |
| 2017-01-21 08:46:24 | C | 03 58 38.82 | +54 21 47.2 | – | L | T05 |
| 2017-01-21 08:57:37 | C | 03 58 38.43 | +54 21 39.1 | – | L | T05 |
| 2017-01-29 07:42:16 | C | 03 55 50.04 | +52 00 38.7 | – | L | T05 |
| 2017-01-29 08:00:35 | C | 03 55 49.94 | +52 00 25.3 | – | L | T05 |
| 2017-01-29 08:31:04 | C | 03 55 49.93 | +52 00 01.9 | – | L | T05 |
| 2017-01-29 08:49:07 | C | 03 55 49.73 | +51 59 48.3 | – | L | T05 |
| 2017-02-01 02:04:28 | C | 03 56 21.02 | +51 13 09.0 | – | q | H45 |
| 2017-02-01 02:06:13 | C | 03 56 21.05 | +51 13 07.7 | – | q | H45 |
| 2017-02-01 02:07:36 | C | 03 56 21.05 | +51 13 06.7 | – | q | H45 |
| 2017-02-01 02:09:08 | C | 03 56 21.06 | +51 13 05.5 | – | q | H45 |
| 2017-02-01 02:10:40 | C | 03 56 21.08 | +51 13 04.3 | – | q | H45 |
| 2017-02-01 02:12:12 | C | 03 56 21.08 | +51 13 03.3 | – | q | H45 |
| 2017-02-02 07:35:03 | C | 03 56 47.34 | +50 52 28.1 | – | L | T05 |
| 2017-02-02 07:49:03 | C | 03 56 47.47 | +50 52 17.9 | – | L | T05 |
| 2017-02-02 08:13:39 | C | 03 56 47.89 | +50 51 59.7 | – | L | 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 |