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 |
|---|---|---|---|---|---|---|
| 2020-03-11 15:15:19 | C | 19 09 16.69 | -27 17 59.4 | – | V | T08 |
| 2020-07-23 13:56:44 | C | 02 55 44.54 | +11 02 54.7 | – | V | T08 |
| 2020-07-23 14:06:00 | C | 02 55 45.14 | +11 03 02.1 | – | V | T08 |
| 2020-07-23 14:13:25 | C | 02 55 45.65 | +11 03 07.9 | – | V | T08 |
| 2020-07-23 14:48:07 | C | 02 55 47.97 | +11 03 33.8 | – | V | T08 |
| 2020-07-29 14:14:03 | C | 03 05 22.78 | +12 50 56.7 | – | V | T05 |
| 2020-07-29 14:21:20 | C | 03 05 23.28 | +12 51 01.1 | – | V | T05 |
| 2020-07-29 14:51:21 | C | 03 05 25.08 | +12 51 24.4 | – | V | T05 |
| 2020-07-29 14:56:20 | C | 03 05 25.42 | +12 51 27.0 | – | V | T05 |
| 2020-08-16 14:32:12 | C | 03 29 49.46 | +18 02 53.3 | – | V | T08 |
| 2020-08-16 14:40:18 | C | 03 29 49.81 | +18 02 58.7 | – | V | T08 |
| 2020-08-16 14:43:37 | C | 03 29 49.95 | +18 03 00.9 | – | V | T08 |
| 2020-08-16 14:52:43 | C | 03 29 50.38 | +18 03 07.5 | – | V | T08 |
| 2020-08-17 11:33:36 | C | 03 30 48.50 | +18 17 46.1 | – | V | G96 |
| 2020-08-17 11:41:09 | C | 03 30 48.82 | +18 17 51.4 | – | V | G96 |
| 2020-08-17 11:48:42 | C | 03 30 49.16 | +18 17 56.9 | – | V | G96 |
| 2020-08-17 11:56:16 | C | 03 30 49.49 | +18 18 02.2 | – | V | G96 |
| 2020-08-23 11:09:11 | C | 03 36 54.23 | +19 59 37.2 | – | V | 703 |
| 2020-08-23 11:16:47 | C | 03 36 54.53 | +19 59 42.7 | – | V | 703 |
| 2020-08-23 11:24:23 | C | 03 36 54.80 | +19 59 48.0 | – | V | 703 |
| 2020-08-23 11:31:59 | C | 03 36 55.00 | +19 59 55.0 | – | V | 703 |
| 2020-08-24 13:30:48 | C | 03 37 53.84 | +20 18 22.2 | – | V | T08 |
| 2020-08-24 13:38:08 | C | 03 37 54.10 | +20 18 27.3 | – | V | T08 |
| 2020-08-24 13:42:46 | C | 03 37 54.28 | +20 18 29.3 | – | V | T08 |
| 2020-08-24 13:59:25 | C | 03 37 54.82 | +20 18 42.4 | – | V | T08 |
| 2020-08-25 10:43:25 | C | 03 38 39.87 | +20 33 23.9 | – | U | I41 |
| 2020-08-25 11:59:20 | C | 03 38 42.40 | +20 34 18.3 | – | U | I41 |
| 2020-08-25 12:00:40 | C | 03 38 42.45 | +20 34 19.2 | – | U | I41 |
| 2020-08-27 10:19:55 | C | 03 40 17.08 | +21 07 16.3 | – | V | G96 |
| 2020-08-27 10:26:38 | C | 03 40 17.27 | +21 07 21.2 | – | V | G96 |
| 2020-08-27 10:33:22 | C | 03 40 17.49 | +21 07 26.0 | – | V | G96 |
| 2020-08-27 10:40:07 | C | 03 40 17.69 | +21 07 30.8 | – | V | G96 |
| 2020-08-28 11:15:12 | C | 03 41 04.39 | +21 25 02.4 | – | U | I41 |
| 2020-08-28 11:40:35 | C | 03 41 05.10 | +21 25 20.6 | – | U | I41 |
| 2020-08-28 14:03:34 | C | 03 41 09.53 | +21 27 05.1 | – | V | T08 |
| 2020-08-28 14:11:31 | C | 03 41 09.83 | +21 27 10.7 | – | V | T08 |
| 2020-08-28 14:16:50 | C | 03 41 09.97 | +21 27 14.7 | – | V | T08 |
| 2020-08-28 14:24:08 | C | 03 41 10.12 | +21 27 20.3 | – | V | T08 |
| 2020-09-01 13:01:33 | C | 03 43 45.816 | +22 35 03.60 | – | U | F52 |
| 2020-09-01 13:19:58 | C | 03 43 46.210 | +22 35 16.85 | – | U | F52 |
| 2020-09-01 13:21:38 | C | 03 43 46.249 | +22 35 18.24 | – | U | F51 |
| 2020-09-01 13:38:29 | C | 03 43 46.600 | +22 35 30.40 | – | U | F52 |
| 2020-09-01 13:39:31 | C | 03 43 46.628 | +22 35 31.24 | – | U | F51 |
| 2020-09-01 13:57:10 | C | 03 43 47.004 | +22 35 43.95 | – | U | F52 |
| 2020-09-01 13:57:25 | C | 03 43 47.005 | +22 35 44.23 | – | U | F51 |
| 2020-09-01 18:24:27 | C | 03 43 53.48 | +22 38 52.2 | – | q | D29 |
| 2020-09-01 18:42:14 | C | 03 43 53.84 | +22 39 06.3 | – | q | D29 |
| 2020-09-01 19:00:01 | C | 03 43 54.25 | +22 39 19.1 | – | q | D29 |
| 2020-09-02 12:40:01 | C | 03 44 18.632 | +22 52 03.85 | – | U | F52 |
| 2020-09-02 13:05:55 | C | 03 44 19.145 | +22 52 22.74 | – | 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 |