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 |
|---|---|---|---|---|---|---|
| 2013-10-15 05:53:07 | C | 02 31 43.50 | +30 51 18.7 | – | q | 703 |
| 2013-10-15 06:04:28 | C | 02 31 42.05 | +30 51 23.3 | – | q | 703 |
| 2013-10-15 06:15:46 | C | 02 31 40.65 | +30 51 27.2 | – | q | 703 |
| 2013-10-21 04:55:36 | C | 02 14 06.33 | +31 27 31.8 | – | q | H45 |
| 2013-10-21 04:57:38 | C | 02 14 06.07 | +31 27 32.3 | – | q | H45 |
| 2013-10-21 05:00:40 | C | 02 14 05.70 | +31 27 32.4 | – | q | H45 |
| 2013-10-21 05:11:41 | C | 02 14 04.30 | +31 27 34.1 | – | q | H45 |
| 2013-10-21 05:16:00 | C | 02 14 03.73 | +31 27 34.8 | – | q | H45 |
| 2013-10-21 05:17:51 | C | 02 14 03.53 | +31 27 35.6 | – | q | H45 |
| 2013-10-23 03:21:11 | C | 02 08 16.48 | +31 33 45.5 | – | N | I41 |
| 2013-10-23 05:56:17 | C | 02 07 56.46 | +31 34 05.9 | – | q | 703 |
| 2013-10-23 06:04:19 | C | 02 07 55.43 | +31 34 06.7 | – | q | 703 |
| 2013-10-23 06:12:20 | C | 02 07 54.38 | +31 34 07.0 | – | q | 703 |
| 2013-10-23 06:20:23 | C | 02 07 53.29 | +31 34 08.5 | – | q | 703 |
| 2013-10-23 08:35:00 | C | 02 07 35.91 | +31 34 21.7 | – | N | I41 |
| 2013-10-23 09:17:30 | C | 02 07 30.39 | +31 34 25.6 | – | N | I41 |
| 2013-10-24 05:14:28 | C | 02 05 00.51 | +31 36 08.8 | – | q | H45 |
| 2013-10-24 05:16:30 | C | 02 05 00.26 | +31 36 08.9 | – | q | H45 |
| 2013-10-24 05:18:10 | C | 02 05 00.04 | +31 36 08.9 | – | q | H45 |
| 2013-10-24 05:20:23 | C | 02 04 59.74 | +31 36 09.4 | – | q | H45 |
| 2013-10-24 05:23:28 | C | 02 04 59.36 | +31 36 09.5 | – | q | H45 |
| 2013-10-24 05:25:09 | C | 02 04 59.10 | +31 36 09.9 | – | q | H45 |
| 2013-10-25 01:04:21 | C | 02 02 31.51 | +31 37 34.1 | – | r | Y00 |
| 2013-10-25 01:08:11 | C | 02 02 30.99 | +31 37 34.9 | – | r | Y00 |
| 2013-10-25 01:11:47 | C | 02 02 30.59 | +31 37 35.1 | – | r | Y00 |
| 2013-10-25 04:49:09 | C | 02 02 03.24 | +31 37 32.3 | – | q | H45 |
| 2013-10-25 04:50:09 | C | 02 02 03.15 | +31 37 32.9 | – | q | H45 |
| 2013-10-25 04:52:25 | C | 02 02 02.87 | +31 37 33.2 | – | q | H45 |
| 2013-10-25 04:53:43 | C | 02 02 02.68 | +31 37 33.2 | – | q | H45 |
| 2013-10-25 04:54:54 | C | 02 02 02.54 | +31 37 33.3 | – | q | H45 |
| 2013-10-25 04:56:35 | C | 02 02 02.34 | +31 37 33.4 | – | q | H45 |
| 2013-10-26 06:56:51 | C | 01 58 47.66 | +31 38 19.9 | – | N | I41 |
| 2013-10-26 08:27:01 | C | 01 58 36.09 | +31 38 21.0 | – | N | I41 |
| 2013-10-26 09:04:33 | C | 01 58 31.28 | +31 38 20.9 | – | N | I41 |
| 2013-10-27 19:30:38 | C | 01 54 16.89 | +31 37 59.0 | – | q | D00 |
| 2013-10-27 19:44:56 | C | 01 54 15.09 | +31 37 57.9 | – | q | D00 |
| 2013-10-27 20:01:02 | C | 01 54 13.14 | +31 37 57.4 | – | q | D00 |
| 2013-10-27 20:17:08 | C | 01 54 11.04 | +31 37 57.3 | – | q | D00 |
| 2013-10-29 20:05:02 | C | 01 48 23.86 | +31 35 18.1 | – | q | A84 |
| 2013-10-29 20:09:46 | C | 01 48 23.28 | +31 35 17.8 | – | q | A84 |
| 2013-10-29 20:11:36 | C | 01 48 23.05 | +31 35 17.6 | – | q | A84 |
| 2013-10-29 20:13:25 | C | 01 48 22.84 | +31 35 17.4 | – | q | A84 |
| 2013-10-29 20:15:14 | C | 01 48 22.62 | +31 35 17.0 | – | q | A84 |
| 2013-10-29 20:17:04 | C | 01 48 22.39 | +31 35 17.2 | – | q | A84 |
| 2013-10-29 20:18:54 | C | 01 48 22.15 | +31 35 17.0 | – | q | A84 |
| 2013-10-29 20:20:43 | C | 01 48 21.94 | +31 35 16.3 | – | q | A84 |
| 2013-10-29 20:22:32 | C | 01 48 21.72 | +31 35 16.7 | – | q | A84 |
| 2013-10-29 20:24:23 | C | 01 48 21.47 | +31 35 16.5 | – | q | A84 |
| 2013-10-29 20:26:41 | C | 01 48 21.20 | +31 35 16.4 | – | q | A84 |
| 2013-10-29 20:28:32 | C | 01 48 20.97 | +31 35 16.3 | – | q | A84 |
| 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 |