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 |
|---|---|---|---|---|---|---|
| 2020-12-04 08:01:57 | C | 01 13 54.388 | +32 37 56.90 | – | U | F52 |
| 2020-12-04 08:02:52 | C | 01 13 54.357 | +32 37 56.47 | – | U | F52 |
| 2020-12-04 08:13:34 | C | 01 13 54.013 | +32 37 52.56 | – | U | F51 |
| 2020-12-04 08:20:38 | C | 01 13 53.774 | +32 37 49.92 | – | U | F52 |
| 2020-12-04 08:28:47 | C | 01 13 53.506 | +32 37 46.84 | – | U | F51 |
| 2020-12-04 08:37:21 | C | 01 13 53.227 | +32 37 43.61 | – | U | F52 |
| 2020-12-04 08:38:16 | C | 01 13 53.193 | +32 37 43.22 | – | U | F52 |
| 2020-12-04 08:49:08 | C | 01 13 52.840 | +32 37 39.24 | – | U | F51 |
| 2020-12-04 08:54:59 | C | 01 13 52.651 | +32 37 36.98 | – | U | F52 |
| 2020-12-04 08:55:54 | C | 01 13 52.620 | +32 37 36.71 | – | U | F52 |
| 2020-12-04 09:06:06 | C | 01 13 52.285 | +32 37 32.84 | – | U | F51 |
| 2020-12-04 09:13:48 | C | 01 13 52.039 | +32 37 30.01 | – | U | F52 |
| 2020-12-04 09:23:04 | C | 01 13 51.738 | +32 37 26.44 | – | U | F51 |
| 2020-12-04 09:33:09 | C | 01 13 51.409 | +32 37 22.64 | – | U | F52 |
| 2020-12-04 09:40:05 | C | 01 13 51.183 | +32 37 19.98 | – | U | F51 |
| 2020-12-04 09:52:32 | C | 01 13 50.778 | +32 37 15.11 | – | U | F52 |
| 2020-12-04 09:53:30 | C | 01 13 50.73 | +32 37 14.8 | – | V | T05 |
| 2020-12-04 10:01:25 | C | 01 13 50.51 | +32 37 11.7 | – | V | T05 |
| 2020-12-04 10:11:55 | C | 01 13 50.170 | +32 37 07.88 | – | U | F52 |
| 2020-12-04 10:14:37 | C | 01 13 50.08 | +32 37 07.1 | – | V | T05 |
| 2020-12-04 10:19:14 | C | 01 13 49.96 | +32 37 05.1 | – | V | T05 |
| 2020-12-05 04:34:56 | C | 01 13 19.33 | +32 30 30.6 | – | V | 703 |
| 2020-12-05 04:42:47 | C | 01 13 19.10 | +32 30 27.6 | – | V | 703 |
| 2020-12-05 04:50:35 | C | 01 13 18.89 | +32 30 25.0 | – | V | 703 |
| 2020-12-05 04:58:21 | C | 01 13 18.63 | +32 30 21.7 | – | V | 703 |
| 2020-12-05 08:19:24 | C | 01 13 13.154 | +32 29 12.08 | – | U | F51 |
| 2020-12-05 08:36:14 | C | 01 13 12.660 | +32 29 05.88 | – | U | F51 |
| 2020-12-05 08:38:18 | C | 01 13 12.591 | +32 29 05.06 | – | U | F52 |
| 2020-12-05 08:55:05 | C | 01 13 12.097 | +32 28 58.94 | – | U | F52 |
| 2020-12-05 09:10:07 | C | 01 13 11.655 | +32 28 53.36 | – | U | F51 |
| 2020-12-05 09:31:25 | C | 01 13 11.030 | +32 28 45.41 | – | U | F51 |
| 2020-12-05 09:48:22 | C | 01 13 10.537 | +32 28 39.16 | – | U | F51 |
| 2020-12-05 10:05:12 | C | 01 13 10.054 | +32 28 32.81 | – | U | F51 |
| 2020-12-05 10:22:05 | C | 01 13 09.572 | +32 28 26.48 | – | U | F51 |
| 2020-12-06 07:09:48 | C | 01 12 38.78 | +32 21 09.4 | – | V | T08 |
| 2020-12-06 07:14:26 | C | 01 12 38.65 | +32 21 07.8 | – | V | T08 |
| 2020-12-06 07:48:08 | C | 01 12 37.72 | +32 20 55.7 | – | V | T08 |
| 2020-12-06 08:11:44 | C | 01 12 37.08 | +32 20 47.3 | – | V | T08 |
| 2020-12-06 08:24:04 | C | 01 12 36.774 | +32 20 42.72 | – | U | F52 |
| 2020-12-06 08:39:59 | C | 01 12 36.353 | +32 20 37.02 | – | U | F52 |
| 2020-12-06 08:55:51 | C | 01 12 35.934 | +32 20 31.28 | – | U | F52 |
| 2020-12-06 09:11:47 | C | 01 12 35.512 | +32 20 25.52 | – | U | F52 |
| 2020-12-06 09:17:32 | C | 01 12 35.368 | +32 20 23.42 | – | U | F51 |
| 2020-12-06 09:36:14 | C | 01 12 34.871 | +32 20 16.61 | – | U | F51 |
| 2020-12-06 09:55:03 | C | 01 12 34.388 | +32 20 09.73 | – | U | F51 |
| 2020-12-06 10:13:49 | C | 01 12 33.913 | +32 20 02.85 | – | U | F51 |
| 2020-12-07 10:07:21 | C | 01 12 02.463 | +32 11 49.88 | – | U | F51 |
| 2020-12-07 10:27:02 | C | 01 12 02.025 | +32 11 42.83 | – | U | F51 |
| 2020-12-07 10:46:41 | C | 01 12 01.591 | +32 11 35.79 | – | U | F51 |
| 2020-12-07 11:06:22 | C | 01 12 01.170 | +32 11 28.71 | – | 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 |