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 |
|---|---|---|---|---|---|---|
| 2017-02-02 08:39:09 | C | 03 56 48.17 | +50 51 42.4 | – | L | T05 |
| 2017-02-02 08:50:16 | C | 03 56 48.31 | +50 51 33.4 | – | L | T05 |
| 2017-02-22 03:23:12 | C | 04 18 30.42 | +45 54 52.8 | – | q | G96 |
| 2017-02-22 03:25:13 | C | 04 18 30.54 | +45 54 51.6 | – | q | G96 |
| 2017-02-22 03:29:19 | C | 04 18 30.83 | +45 54 49.1 | – | q | G96 |
| 2017-02-22 03:31:21 | C | 04 18 30.95 | +45 54 48.1 | – | q | G96 |
| 2017-02-22 03:35:28 | C | 04 18 31.20 | +45 54 45.6 | – | q | G96 |
| 2017-02-22 03:37:29 | C | 04 18 31.36 | +45 54 44.2 | – | q | G96 |
| 2017-02-22 03:41:36 | C | 04 18 31.60 | +45 54 41.2 | – | q | G96 |
| 2017-02-22 03:43:38 | C | 04 18 31.76 | +45 54 40.5 | – | q | G96 |
| 2017-02-23 05:21:54 | C | 04 20 19.00 | +45 40 19.3 | – | R | G45 |
| 2017-02-23 05:28:52 | C | 04 20 19.50 | +45 40 15.5 | – | R | G45 |
| 2017-02-23 05:35:48 | C | 04 20 19.96 | +45 40 11.4 | – | R | G45 |
| 2017-02-23 05:42:49 | C | 04 20 20.43 | +45 40 07.1 | – | R | G45 |
| 2017-02-23 05:49:57 | C | 04 20 20.96 | +45 40 03.2 | – | R | G45 |
| 2017-02-23 05:56:54 | C | 04 20 21.43 | +45 39 59.1 | – | R | G45 |
| 2017-05-08 01:31:05 | C | 07 31 03.46 | +25 56 51.7 | – | q | W34 |
| 2017-05-08 01:48:25 | C | 07 31 05.48 | +25 56 34.0 | – | q | W34 |
| 2017-05-08 02:03:43 | C | 07 31 07.31 | +25 56 16.6 | – | q | W34 |
| 2017-05-08 02:19:07 | C | 07 31 09.19 | +25 56 01.9 | – | q | W34 |
| 2017-10-06 18:55:39 | S | 20 25 52.994 | -31 22 34.46 | – | L | C51 |
| 2017-10-07 01:12:39 | S | 20 26 49.356 | -31 10 14.56 | – | L | C51 |
| 2017-10-07 01:12:50 | S | 20 26 49.399 | -31 10 14.45 | – | L | C51 |
| 2017-10-07 04:21:20 | S | 20 27 17.462 | -31 04 05.81 | – | L | C51 |
| 2017-10-07 05:45:45 | C | 20 27 30.10 | -31 01 34.2 | – | L | T05 |
| 2017-10-07 05:58:16 | C | 20 27 31.86 | -31 01 09.7 | – | L | T05 |
| 2017-10-07 06:11:20 | C | 20 27 33.72 | -31 00 44.3 | – | L | T05 |
| 2017-10-07 06:23:30 | C | 20 27 35.51 | -31 00 21.1 | – | L | T05 |
| 2017-10-07 07:29:50 | S | 20 27 45.406 | -30 57 57.74 | – | L | C51 |
| 2017-10-07 10:38:20 | S | 20 28 13.202 | -30 51 51.12 | – | L | C51 |
| 2017-10-07 10:38:31 | S | 20 28 13.236 | -30 51 51.26 | – | L | C51 |
| 2017-10-07 16:55:31 | S | 20 29 08.578 | -30 39 39.92 | – | L | C51 |
| 2017-10-07 20:04:01 | S | 20 29 36.022 | -30 33 36.22 | – | L | C51 |
| 2017-10-07 20:04:12 | S | 20 29 36.079 | -30 33 35.28 | – | L | C51 |
| 2017-10-08 02:21:12 | S | 20 30 30.80 | -30 21 29.8 | – | L | C51 |
| 2017-10-08 05:29:43 | S | 20 30 57.93 | -30 15 28.2 | – | L | C51 |
| 2017-10-08 08:38:23 | S | 20 31 25.03 | -30 09 27.3 | – | L | C51 |
| 2017-10-08 11:46:53 | S | 20 31 52.12 | -30 03 28.2 | – | L | C51 |
| 2017-10-08 14:55:23 | S | 20 32 18.98 | -29 57 29.5 | – | L | C51 |
| 2017-10-08 18:04:05 | S | 20 32 45.80 | -29 51 32.3 | – | L | C51 |
| 2017-10-08 21:12:34 | S | 20 33 12.526 | -29 45 34.92 | – | L | C51 |
| 2017-10-09 00:21:04 | S | 20 33 39.113 | -29 39 38.81 | – | L | C51 |
| 2017-10-09 03:29:45 | S | 20 34 05.57 | -29 33 43.1 | – | L | C51 |
| 2017-10-09 06:38:16 | S | 20 34 31.97 | -29 27 48.7 | – | L | C51 |
| 2017-10-09 08:12:31 | S | 20 34 45.16 | -29 24 52.2 | – | L | C51 |
| 2017-10-09 09:46:46 | S | 20 34 58.30 | -29 21 55.5 | – | L | C51 |
| 2017-10-09 12:55:27 | S | 20 35 24.51 | -29 16 03.9 | – | L | C51 |
| 2017-10-09 16:03:57 | S | 20 35 50.68 | -29 10 11.6 | – | L | C51 |
| 2017-10-09 17:38:12 | S | 20 36 03.64 | -29 07 16.4 | – | L | C51 |
| 2017-10-09 19:12:27 | S | 20 36 16.656 | -29 04 20.71 | – | L | C51 |
| 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 |