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 |
|---|---|---|---|---|---|---|
| 2010-10-28 02:20:51 | S | 20 51 59.602 | -22 30 20.09 | – | L | C51 |
| 2010-10-28 05:31:22 | S | 20 52 24.77 | -22 26 03.8 | – | L | C51 |
| 2010-10-28 07:06:32 | S | 20 52 37.31 | -22 23 56.0 | – | L | C51 |
| 2010-10-28 08:41:53 | S | 20 52 49.80 | -22 21 50.2 | – | L | C51 |
| 2010-10-28 10:17:03 | S | 20 53 02.13 | -22 19 42.5 | – | L | C51 |
| 2010-10-28 11:52:13 | S | 20 53 14.71 | -22 17 34.0 | – | L | C51 |
| 2010-10-28 13:27:34 | S | 20 53 27.11 | -22 15 28.4 | – | L | C51 |
| 2010-10-28 15:02:45 | S | 20 53 39.72 | -22 13 19.0 | – | L | C51 |
| 2010-10-28 16:37:54 | S | 20 53 52.08 | -22 11 13.8 | – | L | C51 |
| 2010-10-28 16:38:05 | S | 20 53 52.08 | -22 11 12.8 | – | L | C51 |
| 2010-10-29 00:34:06 | S | 20 54 54.02 | -22 00 39.5 | – | L | C51 |
| 2010-10-29 03:44:37 | S | 20 55 18.70 | -21 56 27.7 | – | L | C51 |
| 2010-10-29 06:55:09 | S | 20 55 43.332 | -21 52 16.36 | – | L | C51 |
| 2010-10-29 10:05:39 | S | 20 56 07.97 | -21 48 03.6 | – | L | C51 |
| 2010-10-29 19:37:02 | S | 20 57 21.334 | -21 35 30.73 | – | L | C51 |
| 2010-10-29 22:47:33 | S | 20 57 45.828 | -21 31 20.86 | – | L | C51 |
| 2010-10-30 02:13:57 | C | 20 58 11.93 | -21 26 58.9 | 19.7 | c | 704 |
| 2010-10-30 02:32:34 | C | 20 58 14.24 | -21 26 35.3 | 19.4 | c | 704 |
| 2010-10-30 02:51:11 | C | 20 58 16.55 | -21 26 10.1 | 19.3 | c | 704 |
| 2010-10-30 03:09:48 | C | 20 58 18.90 | -21 25 45.3 | 19.3 | c | 704 |
| 2010-10-30 05:08:24 | S | 20 58 34.330 | -21 23 02.18 | – | L | C51 |
| 2010-10-30 08:18:55 | S | 20 58 58.558 | -21 18 52.42 | – | L | C51 |
| 2010-11-02 02:23:15 | C | 21 07 10.99 | -19 54 09.8 | – | r | 703 |
| 2010-11-02 02:32:19 | C | 21 07 12.10 | -19 53 58.6 | – | r | 703 |
| 2010-11-02 02:41:21 | C | 21 07 13.18 | -19 53 47.1 | – | r | 703 |
| 2010-11-02 02:50:26 | C | 21 07 14.19 | -19 53 35.9 | – | r | 703 |
| 2010-11-17 02:45:46 | C | 21 47 09.67 | -12 58 11.4 | – | r | G96 |
| 2010-11-17 02:52:18 | C | 21 47 10.35 | -12 58 04.9 | – | r | G96 |
| 2010-11-17 02:58:50 | C | 21 47 10.96 | -12 57 57.5 | – | r | G96 |
| 2010-11-17 03:05:19 | C | 21 47 11.65 | -12 57 50.9 | – | r | G96 |
| 2010-12-08 01:31:59 | C | 22 35 03.16 | -04 58 35.7 | 19.3 | c | 704 |
| 2010-12-08 01:51:22 | C | 22 35 04.84 | -04 58 18.7 | 19.9 | c | 704 |
| 2010-12-08 02:10:54 | C | 22 35 06.63 | -04 58 02.7 | 19.5 | c | 704 |
| 2010-12-08 02:30:19 | C | 22 35 08.32 | -04 57 45.4 | 19.8 | c | 704 |
| 2010-12-09 02:26:38 | C | 22 37 17.68 | -04 37 01.1 | – | r | 703 |
| 2010-12-09 02:34:54 | C | 22 37 18.44 | -04 36 56.0 | – | r | 703 |
| 2010-12-09 02:43:09 | C | 22 37 19.12 | -04 36 48.4 | – | r | 703 |
| 2010-12-09 02:51:22 | C | 22 37 19.84 | -04 36 42.2 | – | r | 703 |
| 2011-01-05 05:32:28 | C | 23 33 58.27 | +03 58 39.4 | – | L | F51 |
| 2011-01-05 05:49:59 | C | 23 33 59.76 | +03 58 52.2 | – | L | F51 |
| 2011-01-05 05:58:36 | C | 23 34 00.48 | +03 58 58.6 | – | L | F51 |
| 2011-01-14 02:44:32 | C | 23 52 12.10 | +06 32 31.2 | – | r | G96 |
| 2011-01-14 02:52:03 | C | 23 52 12.75 | +06 32 37.1 | – | r | G96 |
| 2011-01-14 02:59:33 | C | 23 52 13.40 | +06 32 42.1 | – | r | G96 |
| 2011-01-14 03:07:07 | C | 23 52 14.01 | +06 32 47.2 | – | r | G96 |
| 2012-11-03 12:05:15 | C | 09 49 56.46 | +32 34 45.8 | – | r | G96 |
| 2012-11-03 12:14:12 | C | 09 49 57.46 | +32 34 44.2 | – | r | G96 |
| 2012-11-03 12:23:04 | C | 09 49 58.47 | +32 34 42.8 | – | r | G96 |
| 2012-11-03 12:32:02 | C | 09 49 59.48 | +32 34 40.9 | – | r | G96 |
| 2012-11-06 11:52:23 | C | 09 58 07.68 | +32 20 45.4 | – | r | G96 |
| 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 |