| 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 |
|---|---|---|---|---|---|---|
| 2012-11-06 12:01:20 | C | 09 58 08.65 | +32 20 43.8 | – | r | G96 |
| 2012-11-06 12:10:21 | C | 09 58 09.66 | +32 20 42.0 | – | r | G96 |
| 2012-11-06 12:19:26 | C | 09 58 10.70 | +32 20 40.0 | – | r | G96 |
| 2012-11-29 11:56:27 | C | 11 01 23.37 | +30 12 07.5 | – | o | 926 |
| 2012-11-29 12:21:23 | C | 11 01 26.20 | +30 12 00.6 | – | o | 926 |
| 2012-11-29 12:41:36 | C | 11 01 28.47 | +30 11 55.5 | – | o | 926 |
| 2012-12-08 10:50:59 | C | 11 26 25.68 | +29 11 17.0 | 19.0 | c | 704 |
| 2012-12-08 11:09:40 | C | 11 26 27.86 | +29 11 11.2 | 19.8 | c | 704 |
| 2012-12-08 11:09:51 | C | 11 26 27.89 | +29 11 11.8 | 19.3 | c | 704 |
| 2012-12-08 11:28:20 | C | 11 26 30.02 | +29 11 07.0 | 19.7 | c | 704 |
| 2012-12-08 11:28:32 | C | 11 26 30.16 | +29 11 06.3 | 19.9 | c | 704 |
| 2012-12-08 11:47:00 | C | 11 26 32.18 | +29 11 01.3 | 19.4 | c | 704 |
| 2012-12-08 11:47:11 | C | 11 26 32.31 | +29 11 01.7 | 19.8 | c | 704 |
| 2012-12-08 12:05:42 | C | 11 26 34.33 | +29 10 55.4 | 19.3 | c | 704 |
| 2012-12-08 12:05:53 | C | 11 26 34.34 | +29 10 56.3 | 18.9 | c | 704 |
| 2012-12-12 04:53:03 | C | 11 37 02.45 | +28 43 39.5 | – | c | A24 |
| 2012-12-12 04:55:07 | C | 11 37 02.68 | +28 43 40.3 | – | c | A24 |
| 2012-12-28 10:04:08 | C | 12 24 17.43 | +26 23 42.6 | – | o | 926 |
| 2012-12-28 10:31:10 | C | 12 24 20.70 | +26 23 30.7 | – | o | 926 |
| 2012-12-28 10:57:50 | C | 12 24 23.98 | +26 23 20.6 | – | o | 926 |
| 2013-01-05 10:56:34 | C | 12 49 02.28 | +24 55 15.3 | – | u | 703 |
| 2013-01-05 11:07:58 | C | 12 49 03.61 | +24 55 10.1 | – | u | 703 |
| 2013-01-05 11:19:26 | C | 12 49 05.08 | +24 55 03.9 | – | u | 703 |
| 2013-01-05 11:30:51 | C | 12 49 06.60 | +24 54 58.2 | – | u | 703 |
| 2013-01-20 11:53:21 | C | 13 39 37.10 | +21 06 27.7 | – | t | 290 |
| 2013-01-20 11:55:20 | C | 13 39 37.40 | +21 06 26.1 | – | t | 290 |
| 2013-01-20 11:57:20 | C | 13 39 37.69 | +21 06 24.5 | – | t | 290 |
| 2013-01-21 13:49:09 | C | 13 43 34.016 | +20 45 18.57 | – | L | F51 |
| 2013-01-21 14:06:03 | C | 13 43 36.526 | +20 45 04.72 | – | L | F51 |
| 2013-01-21 14:36:32 | C | 13 43 41.048 | +20 44 39.68 | – | L | F51 |
| 2013-02-08 01:11:23 | C | 14 57 14.58 | +12 25 51.2 | – | o | C41 |
| 2013-02-08 01:51:53 | C | 14 57 22.64 | +12 24 44.4 | – | o | C41 |
| 2013-02-14 04:17:18 | C | 15 29 26.89 | +07 49 49.1 | – | c | A24 |
| 2013-02-14 04:18:21 | C | 15 29 27.10 | +07 49 47.3 | – | c | A24 |
| 2013-02-15 11:12:37 | C | 15 36 47.47 | +06 43 01.9 | – | r | 850 |
| 2013-02-15 11:25:35 | C | 15 36 50.49 | +06 42 33.2 | – | r | 850 |
| 2013-02-15 11:32:05 | C | 15 36 52.01 | +06 42 18.7 | – | r | 850 |
| 2013-02-24 09:57:50 | C | 16 34 20.81 | -02 28 44.4 | – | q | H45 |
| 2013-02-24 09:59:45 | C | 16 34 21.38 | -02 28 49.6 | – | q | H45 |
| 2013-02-24 10:02:00 | C | 16 34 22.04 | -02 28 56.3 | – | q | H45 |
| 2013-02-24 10:03:53 | C | 16 34 22.56 | -02 29 01.6 | – | q | H45 |
| 2013-02-24 10:05:10 | C | 16 34 22.93 | -02 29 05.1 | – | q | H45 |
| 2013-02-24 10:07:35 | C | 16 34 23.60 | -02 29 12.3 | – | q | H45 |
| 2013-02-24 10:53:40 | C | 16 34 36.83 | -02 31 27.7 | – | u | H21 |
| 2013-02-24 10:56:09 | C | 16 34 37.54 | -02 31 34.9 | – | u | H21 |
| 2013-02-24 10:58:59 | C | 16 34 38.36 | -02 31 43.0 | – | u | H21 |
| 2013-02-24 11:01:06 | C | 16 34 38.98 | -02 31 49.3 | – | u | H21 |
| 2013-02-24 11:03:55 | C | 16 34 39.79 | -02 31 57.4 | – | u | H21 |
| 2013-02-27 03:16:19 | C | 16 54 15.58 | -05 42 17.1 | – | u | 089 |
| 2013-02-27 03:19:10 | C | 16 54 16.45 | -05 42 25.7 | – | u | 089 |
| 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 |