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 |
|---|---|---|---|---|---|---|
| 2020-09-29 12:56:42 | C | 03 37 56.15 | +30 47 37.3 | – | V | T08 |
| 2020-09-29 12:57:22 | C | 03 37 56.09 | +30 47 37.9 | – | V | T08 |
| 2020-09-29 13:00:41 | C | 03 37 55.91 | +30 47 40.2 | – | V | T08 |
| 2020-09-30 09:25:33 | C | 03 36 53.97 | +31 02 13.7 | – | V | G96 |
| 2020-09-30 09:37:18 | C | 03 36 53.32 | +31 02 22.1 | – | V | G96 |
| 2020-09-30 09:48:31 | C | 03 36 52.69 | +31 02 30.3 | – | V | G96 |
| 2020-09-30 10:00:25 | C | 03 36 52.03 | +31 02 38.8 | – | V | G96 |
| 2020-10-01 12:07:33 | C | 03 35 27.48 | +31 21 12.5 | – | V | T05 |
| 2020-10-01 12:35:30 | C | 03 35 25.77 | +31 21 32.8 | – | V | T05 |
| 2020-10-01 12:38:08 | C | 03 35 25.65 | +31 21 34.5 | – | V | T05 |
| 2020-10-01 13:04:01 | C | 03 35 24.14 | +31 21 52.7 | – | V | T05 |
| 2020-10-03 10:32:58 | C | 03 32 42.59 | +31 53 37.0 | – | V | T08 |
| 2020-10-03 10:35:40 | C | 03 32 42.40 | +31 53 39.3 | – | V | T08 |
| 2020-10-03 10:40:22 | C | 03 32 42.09 | +31 53 42.2 | – | V | T08 |
| 2020-10-03 10:47:46 | C | 03 32 41.60 | +31 53 47.7 | – | V | T08 |
| 2020-10-07 13:28:09 | C | 03 25 46.35 | +32 59 49.7 | – | V | T08 |
| 2020-10-07 13:32:49 | C | 03 25 45.98 | +32 59 52.2 | – | V | T08 |
| 2020-10-07 13:49:51 | C | 03 25 44.58 | +33 00 03.6 | – | V | T08 |
| 2020-10-07 14:07:28 | C | 03 25 43.15 | +33 00 14.6 | – | V | T08 |
| 2020-10-09 09:10:38 | C | 03 22 15.55 | +33 27 23.8 | – | V | 703 |
| 2020-10-09 09:18:43 | C | 03 22 14.88 | +33 27 28.6 | – | V | 703 |
| 2020-10-09 09:27:19 | C | 03 22 14.08 | +33 27 34.0 | – | V | 703 |
| 2020-10-09 09:35:35 | C | 03 22 13.42 | +33 27 38.9 | – | V | 703 |
| 2020-10-09 13:05:58 | C | 03 21 55.62 | +33 29 51.3 | – | V | T05 |
| 2020-10-09 13:10:34 | C | 03 21 55.21 | +33 29 54.0 | – | V | T05 |
| 2020-10-09 13:28:58 | C | 03 21 53.57 | +33 30 05.0 | – | V | T05 |
| 2020-10-09 13:37:49 | C | 03 21 52.79 | +33 30 10.6 | – | V | T05 |
| 2020-10-11 07:47:10 | C | 03 18 12.54 | +33 55 27.0 | – | V | G96 |
| 2020-10-11 07:54:39 | C | 03 18 11.84 | +33 55 31.5 | – | V | G96 |
| 2020-10-11 08:02:08 | C | 03 18 11.13 | +33 55 36.0 | – | V | G96 |
| 2020-10-11 08:09:37 | C | 03 18 10.42 | +33 55 40.4 | – | V | G96 |
| 2020-10-11 09:08:48 | C | 03 18 04.86 | +33 56 15.6 | – | V | 703 |
| 2020-10-11 09:16:29 | C | 03 18 04.12 | +33 56 19.5 | – | V | 703 |
| 2020-10-11 09:24:09 | C | 03 18 03.39 | +33 56 24.4 | – | V | 703 |
| 2020-10-11 09:31:50 | C | 03 18 02.65 | +33 56 28.6 | – | V | 703 |
| 2020-10-11 12:30:12 | C | 03 17 46.49 | +33 58 15.7 | – | V | T08 |
| 2020-10-11 12:35:13 | C | 03 17 46.00 | +33 58 18.8 | – | V | T08 |
| 2020-10-11 12:44:49 | C | 03 17 45.08 | +33 58 24.2 | – | V | T08 |
| 2020-10-11 13:25:43 | C | 03 17 41.193 | +33 58 47.54 | – | U | F52 |
| 2020-10-11 13:33:08 | C | 03 17 40.46 | +33 58 51.9 | – | V | T08 |
| 2020-10-11 13:43:26 | C | 03 17 39.502 | +33 58 57.63 | – | U | F52 |
| 2020-10-11 14:01:07 | C | 03 17 37.822 | +33 59 07.71 | – | U | F52 |
| 2020-10-11 14:18:44 | C | 03 17 36.145 | +33 59 17.69 | – | U | F52 |
| 2020-10-13 07:05:38 | C | 03 13 46.99 | +34 22 15.7 | – | V | 703 |
| 2020-10-13 07:13:11 | C | 03 13 46.23 | +34 22 20.2 | – | V | 703 |
| 2020-10-13 07:20:44 | C | 03 13 45.48 | +34 22 24.3 | – | V | 703 |
| 2020-10-13 07:28:18 | C | 03 13 44.70 | +34 22 28.1 | – | V | 703 |
| 2020-10-14 10:27:36 | C | 03 11 04.96 | +34 36 57.3 | – | V | T05 |
| 2020-10-14 10:32:13 | C | 03 11 04.47 | +34 36 59.8 | – | V | T05 |
| 2020-10-14 10:40:13 | C | 03 11 03.63 | +34 37 03.2 | – | 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 |