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 |
|---|---|---|---|---|---|---|
| 2019-12-08 14:55:55 | C | 11 46 49.50 | +24 03 12.5 | – | V | T08 |
| 2019-12-13 11:22:56 | C | 12 01 25.25 | +22 56 18.1 | – | U | I41 |
| 2019-12-13 11:24:35 | C | 12 01 25.46 | +22 56 17.1 | – | U | I41 |
| 2019-12-14 11:32:53 | C | 12 04 28.88 | +22 41 44.4 | – | U | I41 |
| 2019-12-14 13:10:26 | C | 12 04 40.96 | +22 40 46.2 | – | U | I41 |
| 2019-12-16 11:29:24 | C | 12 10 35.26 | +22 12 06.5 | – | U | I41 |
| 2019-12-16 11:50:17 | C | 12 10 37.92 | +22 11 53.7 | – | U | I41 |
| 2019-12-16 11:51:36 | C | 12 10 38.04 | +22 11 52.9 | – | U | I41 |
| 2019-12-18 12:43:13 | C | 12 16 54.67 | +21 40 36.2 | – | U | I41 |
| 2019-12-18 12:44:53 | C | 12 16 54.88 | +21 40 35.2 | – | U | I41 |
| 2019-12-18 12:46:31 | C | 12 16 55.08 | +21 40 34.1 | – | U | I41 |
| 2019-12-18 12:48:10 | C | 12 16 55.30 | +21 40 32.9 | – | U | I41 |
| 2019-12-18 12:49:50 | C | 12 16 55.51 | +21 40 32.1 | – | U | I41 |
| 2019-12-20 11:21:07 | C | 12 22 57.42 | +21 09 41.7 | – | V | 703 |
| 2019-12-20 11:28:45 | C | 12 22 58.38 | +21 09 36.6 | – | V | 703 |
| 2019-12-20 11:36:25 | C | 12 22 59.34 | +21 09 31.1 | – | V | 703 |
| 2019-12-20 11:44:05 | C | 12 23 00.32 | +21 09 26.5 | – | V | 703 |
| 2019-12-24 04:46:06 | C | 12 34 42.11 | +20 07 15.8 | – | V | C95 |
| 2019-12-24 04:49:35 | C | 12 34 42.57 | +20 07 13.9 | – | V | C95 |
| 2020-01-03 11:45:53 | C | 13 08 29.20 | +16 49 29.4 | – | V | 703 |
| 2020-01-03 11:53:47 | C | 13 08 30.31 | +16 49 22.2 | – | V | 703 |
| 2020-01-03 12:01:42 | C | 13 08 31.43 | +16 49 15.4 | – | V | 703 |
| 2020-01-03 12:09:38 | C | 13 08 32.60 | +16 49 08.4 | – | V | 703 |
| 2020-01-06 09:50:15 | C | 13 18 31.35 | +15 45 08.5 | – | V | 703 |
| 2020-01-06 09:57:55 | C | 13 18 32.49 | +15 45 00.9 | – | V | 703 |
| 2020-01-06 10:05:35 | C | 13 18 33.50 | +15 44 54.2 | – | V | 703 |
| 2020-01-06 10:13:16 | C | 13 18 34.56 | +15 44 47.0 | – | V | 703 |
| 2020-01-07 03:16:26 | C | 13 21 03.08 | +15 28 26.2 | – | V | 160 |
| 2020-01-07 03:19:54 | C | 13 21 03.56 | +15 28 23.4 | – | V | 160 |
| 2020-01-07 03:23:22 | C | 13 21 04.04 | +15 28 20.5 | – | V | 160 |
| 2020-01-09 04:17:33 | C | 13 28 15.25 | +14 40 06.9 | – | V | 160 |
| 2020-01-09 04:20:59 | C | 13 28 15.69 | +14 40 04.1 | – | V | 160 |
| 2020-01-09 04:24:24 | C | 13 28 16.17 | +14 40 00.3 | – | V | 160 |
| 2020-01-13 03:35:26 | C | 13 42 39.54 | +12 59 22.5 | – | V | 160 |
| 2020-01-13 03:38:29 | C | 13 42 39.87 | +12 59 18.3 | – | V | 160 |
| 2020-01-13 03:41:32 | C | 13 42 40.37 | +12 59 14.7 | – | V | 160 |
| 2020-01-17 16:58:27 | S | 13 59 54.526 | +10 51 41.00 | – | L | C51 |
| 2020-01-19 13:02:36 | C | 14 07 07.36 | +09 55 58.8 | – | V | 703 |
| 2020-01-19 13:14:46 | C | 14 07 09.39 | +09 55 43.2 | – | V | 703 |
| 2020-01-19 13:20:51 | C | 14 07 10.28 | +09 55 34.4 | – | V | 703 |
| 2020-01-20 11:25:45 | C | 14 10 50.50 | +09 26 48.4 | – | q | H45 |
| 2020-01-20 11:27:04 | C | 14 10 50.73 | +09 26 46.8 | – | q | H45 |
| 2020-01-20 11:28:19 | C | 14 10 50.94 | +09 26 45.2 | – | q | H45 |
| 2020-01-20 11:29:45 | C | 14 10 51.24 | +09 26 43.2 | – | q | H45 |
| 2020-01-20 11:31:08 | C | 14 10 51.43 | +09 26 41.9 | – | q | H45 |
| 2020-01-20 11:32:18 | C | 14 10 51.64 | +09 26 38.6 | – | q | H45 |
| 2020-01-20 14:55:14 | C | 14 11 25.81 | +09 22 15.4 | – | V | T08 |
| 2020-01-20 15:00:05 | C | 14 11 26.61 | +09 22 08.5 | – | V | T08 |
| 2020-01-20 15:11:08 | C | 14 11 28.42 | +09 21 54.0 | – | V | T08 |
| 2020-01-20 15:28:33 | C | 14 11 31.26 | +09 21 31.3 | – | 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 |