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 |
|---|---|---|---|---|---|---|
| 2020-11-18 04:10:10 | C | 01 36 00.26 | +35 07 49.9 | – | V | 703 |
| 2020-11-18 04:17:48 | C | 01 35 59.58 | +35 07 47.9 | – | V | 703 |
| 2020-11-18 04:25:28 | C | 01 35 58.89 | +35 07 44.5 | – | V | 703 |
| 2020-11-18 04:33:12 | C | 01 35 58.18 | +35 07 42.7 | – | V | 703 |
| 2020-11-18 05:13:47 | C | 01 35 54.16 | +35 07 26.4 | – | V | W33 |
| 2020-11-18 05:24:07 | C | 01 35 53.24 | +35 07 22.3 | – | V | W33 |
| 2020-11-18 05:34:28 | C | 01 35 52.36 | +35 07 18.3 | – | V | W33 |
| 2020-11-20 06:46:59 | C | 01 31 52.792 | +34 48 56.38 | – | U | F52 |
| 2020-11-20 07:04:13 | C | 01 31 51.389 | +34 48 50.04 | – | U | F52 |
| 2020-11-21 03:41:55 | C | 01 30 17.04 | +34 40 51.1 | – | V | 703 |
| 2020-11-21 03:49:27 | C | 01 30 16.50 | +34 40 48.5 | – | V | 703 |
| 2020-11-21 03:57:02 | C | 01 30 15.88 | +34 40 45.8 | – | V | 703 |
| 2020-11-21 04:04:40 | C | 01 30 15.29 | +34 40 42.6 | – | V | 703 |
| 2020-11-22 02:32:39 | C | 01 28 37.20 | +34 31 56.7 | – | V | G96 |
| 2020-11-22 02:40:41 | C | 01 28 36.61 | +34 31 53.7 | – | V | G96 |
| 2020-11-22 02:48:44 | C | 01 28 36.00 | +34 31 50.6 | – | V | G96 |
| 2020-11-22 02:56:47 | C | 01 28 35.41 | +34 31 47.6 | – | V | G96 |
| 2020-11-24 17:11:06 | C | 01 24 26.64 | +34 07 07.4 | – | t | 240 |
| 2020-11-24 17:15:02 | C | 01 24 26.38 | +34 07 05.8 | – | t | 240 |
| 2020-11-24 17:18:59 | C | 01 24 26.11 | +34 07 04.0 | – | t | 240 |
| 2020-11-24 17:25:16 | C | 01 24 25.72 | +34 07 01.8 | – | t | 240 |
| 2020-11-24 17:32:21 | C | 01 24 25.27 | +34 06 58.9 | – | t | 240 |
| 2020-11-29 08:49:11 | C | 01 18 24.488 | +33 23 03.17 | – | U | F51 |
| 2020-11-29 09:00:08 | C | 01 18 23.950 | +33 22 58.73 | – | U | F51 |
| 2020-11-29 09:11:05 | C | 01 18 23.409 | +33 22 54.34 | – | U | F51 |
| 2020-11-29 09:22:01 | C | 01 18 22.871 | +33 22 49.91 | – | U | F51 |
| 2020-12-02 05:37:53 | C | 01 15 34.55 | +32 56 34.8 | – | V | 703 |
| 2020-12-02 05:45:57 | C | 01 15 34.18 | +32 56 31.5 | – | V | 703 |
| 2020-12-02 05:54:00 | C | 01 15 33.94 | +32 56 29.1 | – | V | 703 |
| 2020-12-02 06:02:04 | C | 01 15 33.58 | +32 56 25.3 | – | V | 703 |
| 2020-12-02 09:32:50 | C | 01 15 25.78 | +32 55 08.1 | – | V | T08 |
| 2020-12-02 09:50:11 | C | 01 15 25.07 | +32 55 01.1 | – | V | T08 |
| 2020-12-02 09:54:50 | C | 01 15 24.94 | +32 54 59.3 | – | V | T08 |
| 2020-12-02 10:01:01 | C | 01 15 24.714 | +32 54 56.66 | – | U | F51 |
| 2020-12-02 10:04:08 | C | 01 15 24.59 | +32 54 55.4 | – | V | T08 |
| 2020-12-02 10:17:49 | C | 01 15 24.072 | +32 54 50.03 | – | U | F51 |
| 2020-12-02 10:34:22 | C | 01 15 23.445 | +32 54 43.50 | – | U | F51 |
| 2020-12-02 10:50:56 | C | 01 15 22.816 | +32 54 36.88 | – | U | F51 |
| 2020-12-03 06:53:12 | C | 01 14 42.115 | +32 47 11.01 | – | U | F52 |
| 2020-12-03 07:25:43 | C | 01 14 40.918 | +32 46 58.94 | – | U | F52 |
| 2020-12-03 07:42:06 | C | 01 14 40.320 | +32 46 52.71 | – | U | F52 |
| 2020-12-03 08:50:02 | C | 01 14 37.856 | +32 46 27.05 | – | U | F51 |
| 2020-12-03 09:05:55 | C | 01 14 37.286 | +32 46 20.97 | – | U | F51 |
| 2020-12-03 09:06:07 | C | 01 14 37.30 | +32 46 20.8 | – | V | T08 |
| 2020-12-03 09:12:05 | C | 01 14 37.06 | +32 46 19.1 | – | V | T08 |
| 2020-12-03 09:21:26 | C | 01 14 36.73 | +32 46 15.1 | – | V | T08 |
| 2020-12-03 09:21:48 | C | 01 14 36.722 | +32 46 14.85 | – | U | F51 |
| 2020-12-03 09:36:08 | C | 01 14 36.21 | +32 46 09.6 | – | V | T08 |
| 2020-12-04 07:43:10 | C | 01 13 55.019 | +32 38 03.85 | – | U | F51 |
| 2020-12-04 07:58:24 | C | 01 13 54.507 | +32 37 58.20 | – | U | F51 |
| 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 |