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 |
|---|---|---|---|---|---|---|
| 2020-01-30 00:06:22 | S | 14 51 28.30 | +03 49 04.5 | – | L | C51 |
| 2020-01-30 03:14:42 | S | 14 52 04.05 | +03 43 55.0 | – | L | C51 |
| 2020-01-30 06:23:00 | S | 14 52 39.84 | +03 38 42.4 | – | L | C51 |
| 2020-01-30 09:31:30 | S | 14 53 15.732 | +03 33 29.92 | – | L | C51 |
| 2020-01-30 12:39:49 | S | 14 53 51.72 | +03 28 16.6 | – | L | C51 |
| 2020-01-30 12:51:38 | C | 14 53 54.65 | +03 27 46.6 | – | V | 703 |
| 2020-01-30 12:57:34 | C | 14 53 55.73 | +03 27 36.7 | – | V | 703 |
| 2020-01-30 13:03:31 | C | 14 53 56.91 | +03 27 26.6 | – | V | 703 |
| 2020-01-30 13:09:27 | C | 14 53 57.99 | +03 27 16.8 | – | V | 703 |
| 2020-01-30 14:03:30 | C | 14 54 08.89 | +03 25 49.9 | – | V | T05 |
| 2020-01-30 14:08:08 | C | 14 54 09.78 | +03 25 42.1 | – | V | T05 |
| 2020-01-30 14:17:05 | C | 14 54 11.46 | +03 25 27.2 | – | V | T05 |
| 2020-01-30 14:31:14 | C | 14 54 14.10 | +03 25 03.4 | – | V | T05 |
| 2020-01-30 15:48:09 | S | 14 54 27.73 | +03 23 03.5 | – | L | C51 |
| 2020-01-30 18:56:38 | S | 14 55 03.84 | +03 17 48.3 | – | L | C51 |
| 2020-01-30 22:04:58 | S | 14 55 40.01 | +03 12 32.1 | – | L | C51 |
| 2020-01-31 01:13:16 | S | 14 56 16.15 | +03 07 15.9 | – | L | C51 |
| 2020-01-31 04:21:03 | S | 14 56 52.38 | +03 01 58.5 | – | L | C51 |
| 2020-01-31 07:30:06 | S | 14 57 28.86 | +02 56 37.6 | – | L | C51 |
| 2020-01-31 10:38:25 | S | 14 58 05.30 | +02 51 20.5 | – | L | C51 |
| 2020-01-31 13:46:55 | S | 14 58 41.858 | +02 45 58.82 | – | L | C51 |
| 2020-02-02 11:25:29 | C | 15 07 42.01 | +01 26 25.3 | – | V | 703 |
| 2020-02-02 11:33:09 | C | 15 07 43.51 | +01 26 12.1 | – | V | 703 |
| 2020-02-02 11:48:28 | C | 15 07 46.53 | +01 25 44.4 | – | V | 703 |
| 2020-02-03 14:49:29 | C | 15 13 13.24 | +00 37 19.2 | – | V | T05 |
| 2020-02-03 14:54:07 | C | 15 13 14.18 | +00 37 10.9 | – | V | T05 |
| 2020-02-03 15:02:24 | C | 15 13 15.82 | +00 36 55.8 | – | V | T05 |
| 2020-02-03 15:18:45 | C | 15 13 19.06 | +00 36 25.9 | – | V | T05 |
| 2020-02-05 04:28:54 | C | 15 20 58.08 | -00 32 09.9 | – | V | 160 |
| 2020-02-05 04:31:28 | C | 15 20 58.49 | -00 32 14.9 | – | V | 160 |
| 2020-02-05 04:33:56 | C | 15 20 58.99 | -00 32 20.5 | – | V | 160 |
| 2020-02-05 13:56:31 | C | 15 22 57.13 | -00 49 50.3 | – | V | T08 |
| 2020-02-05 14:02:39 | C | 15 22 58.40 | -00 50 02.0 | – | V | T08 |
| 2020-02-05 14:10:38 | C | 15 23 00.05 | -00 50 16.8 | – | V | T08 |
| 2020-02-05 14:26:18 | C | 15 23 03.28 | -00 50 46.5 | – | V | T08 |
| 2020-02-06 03:41:25 | C | 15 25 50.41 | -01 15 54.5 | – | V | 160 |
| 2020-02-06 03:44:01 | C | 15 25 51.04 | -01 16 03.7 | – | V | 160 |
| 2020-02-06 12:33:48 | C | 15 27 43.49 | -01 32 53.5 | – | V | 703 |
| 2020-02-06 12:41:26 | C | 15 27 45.03 | -01 33 08.6 | – | V | 703 |
| 2020-02-06 12:56:40 | C | 15 27 48.20 | -01 33 38.0 | – | V | 703 |
| 2020-02-07 03:39:46 | C | 15 30 57.48 | -02 02 01.7 | – | V | 160 |
| 2020-02-07 03:42:23 | C | 15 30 58.00 | -02 02 08.1 | – | V | 160 |
| 2020-02-07 03:44:58 | C | 15 30 58.54 | -02 02 13.2 | – | V | 160 |
| 2020-02-23 13:44:15 | C | 17 07 49.83 | -15 49 36.7 | – | V | T05 |
| 2020-02-23 14:02:49 | C | 17 07 54.93 | -15 50 16.7 | – | V | T05 |
| 2020-02-23 14:10:37 | C | 17 07 57.00 | -15 50 32.9 | – | V | T05 |
| 2020-02-23 15:57:34 | C | 17 08 26.10 | -15 54 18.9 | – | V | T05 |
| 2020-03-11 14:42:02 | C | 19 09 06.69 | -27 17 22.7 | – | V | T08 |
| 2020-03-11 14:46:04 | C | 19 09 08.02 | -27 17 27.6 | – | V | T08 |
| 2020-03-11 14:55:39 | C | 19 09 10.84 | -27 17 38.7 | – | 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 |