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 |
|---|---|---|---|---|---|---|
| 2024-10-19 02:30:38 | C | 21 48 02.124 | -16 21 08.06 | – | V | W68 |
| 2024-10-19 02:31:56 | C | 21 48 02.201 | -16 21 06.23 | – | V | W68 |
| 2024-10-19 02:55:14 | C | 21 48 03.564 | -16 20 33.90 | – | V | W68 |
| 2024-10-19 02:57:12 | C | 21 48 03.679 | -16 20 30.98 | – | V | W68 |
| 2024-10-19 08:20:44 | C | 21 48 23.410 | -16 13 12.11 | – | V | T08 |
| 2024-10-19 08:26:43 | C | 21 48 23.758 | -16 13 03.94 | – | V | T08 |
| 2024-10-19 08:36:02 | C | 21 48 24.290 | -16 12 50.98 | – | V | T08 |
| 2024-10-19 08:51:20 | C | 21 48 25.138 | -16 12 29.45 | – | V | T08 |
| 2024-10-19 20:07:12 | C | 21 49 06.768 | -15 56 40.96 | – | V | M22 |
| 2024-10-19 20:11:46 | C | 21 49 06.974 | -15 56 34.48 | – | V | M22 |
| 2024-10-19 20:19:39 | C | 21 49 07.423 | -15 56 23.75 | – | V | M22 |
| 2024-10-21 03:23:00 | C | 21 51 01.624 | -15 14 37.68 | – | V | G96 |
| 2024-10-21 03:31:09 | C | 21 51 02.084 | -15 14 26.77 | – | V | G96 |
| 2024-10-21 03:39:19 | C | 21 51 02.560 | -15 14 15.97 | – | V | G96 |
| 2024-10-21 05:12:01 | C | 21 51 07.859 | -15 12 12.42 | – | V | 703 |
| 2024-10-21 05:15:21 | C | 21 51 08.089 | -15 12 07.45 | – | V | 703 |
| 2024-10-21 05:18:41 | C | 21 51 08.262 | -15 12 03.56 | – | V | 703 |
| 2024-10-21 05:22:01 | C | 21 51 08.482 | -15 11 58.38 | – | V | 703 |
| 2024-10-22 02:50:25 | C | 21 52 27.772 | -14 43 44.40 | – | V | 703 |
| 2024-10-22 02:53:43 | C | 21 52 27.952 | -14 43 39.83 | – | V | 703 |
| 2024-10-22 02:54:32 | C | 21 52 27.401 | -14 43 23.59 | – | V | W68 |
| 2024-10-22 02:57:01 | C | 21 52 28.193 | -14 43 35.80 | – | V | 703 |
| 2024-10-22 03:00:19 | C | 21 52 28.391 | -14 43 30.97 | – | V | 703 |
| 2024-10-22 03:00:37 | C | 21 52 27.794 | -14 43 15.17 | – | V | W68 |
| 2024-10-22 03:07:48 | C | 21 52 28.231 | -14 43 05.84 | – | V | W68 |
| 2024-10-22 03:09:06 | C | 21 52 28.313 | -14 43 04.26 | – | V | W68 |
| 2024-10-22 03:28:57 | C | 21 52 29.458 | -14 42 38.02 | – | V | W68 |
| 2024-10-22 03:30:15 | C | 21 52 29.554 | -14 42 35.89 | – | V | W68 |
| 2024-10-22 03:33:30 | C | 21 52 29.748 | -14 42 32.15 | – | V | W68 |
| 2024-10-22 03:40:52 | C | 21 52 30.154 | -14 42 22.32 | – | V | W68 |
| 2024-10-25 06:53:00 | C | 21 57 07.447 | -13 08 16.69 | – | V | T05 |
| 2024-10-25 06:57:33 | C | 21 57 07.699 | -13 08 11.47 | – | V | T05 |
| 2024-10-25 07:05:22 | C | 21 57 08.179 | -13 08 01.57 | – | V | T05 |
| 2024-10-25 07:22:49 | C | 21 57 09.214 | -13 07 40.44 | – | V | T05 |
| 2024-10-25 19:27:43 | C | 21 57 53.899 | -12 52 56.21 | – | V | M22 |
| 2024-10-25 19:32:58 | C | 21 57 54.192 | -12 52 50.05 | – | V | M22 |
| 2024-10-25 19:41:28 | C | 21 57 54.679 | -12 52 39.94 | – | V | M22 |
| 2024-10-25 19:56:16 | C | 21 57 55.565 | -12 52 21.72 | – | V | M22 |
| 2024-10-26 04:36:56 | C | 21 58 27.714 | -12 42 16.74 | – | V | 703 |
| 2024-10-26 04:40:16 | C | 21 58 27.844 | -12 42 13.03 | – | V | 703 |
| 2024-10-26 04:43:37 | C | 21 58 28.045 | -12 42 09.32 | – | V | 703 |
| 2024-10-26 04:46:57 | C | 21 58 28.250 | -12 42 04.86 | – | V | 703 |
| 2024-10-28 01:18:45 | C | 22 01 13.586 | -11 50 04.85 | – | V | W68 |
| 2024-10-28 01:23:22 | C | 22 01 13.858 | -11 49 59.59 | – | V | W68 |
| 2024-10-28 01:31:53 | C | 22 01 14.371 | -11 49 49.51 | – | V | W68 |
| 2024-10-28 01:47:44 | C | 22 01 15.281 | -11 49 31.58 | – | V | W68 |
| 2024-10-28 02:55:52 | C | 22 01 19.733 | -11 48 26.96 | – | V | 703 |
| 2024-10-28 03:02:24 | C | 22 01 20.197 | -11 48 20.16 | – | V | 703 |
| 2024-10-28 03:05:39 | C | 22 01 20.395 | -11 48 16.13 | – | V | 703 |
| 2024-10-31 06:51:09 | C | 22 06 03.310 | -10 24 42.73 | – | V | T08 |
| 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 |