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 |
|---|---|---|---|---|---|---|
| 2024-08-30 18:46:40 | C | 18 57 52.627 | -75 13 03.50 | – | V | M22 |
| 2024-08-30 18:51:14 | C | 18 57 56.237 | -75 12 45.14 | – | V | M22 |
| 2024-08-30 18:59:02 | C | 18 58 02.426 | -75 12 13.43 | – | V | M22 |
| 2024-08-30 19:37:50 | C | 18 58 32.914 | -75 09 35.64 | – | V | M22 |
| 2024-08-30 19:52:23 | C | 18 58 44.294 | -75 08 36.17 | – | V | M22 |
| 2024-08-30 20:29:16 | C | 18 59 13.128 | -75 06 04.93 | – | V | M22 |
| 2024-08-30 20:57:57 | C | 18 59 35.465 | -75 04 06.42 | – | V | M22 |
| 2024-08-31 21:48:22 | C | 19 17 40.298 | -73 20 18.28 | – | V | M22 |
| 2024-08-31 22:36:14 | C | 19 18 10.421 | -73 16 49.30 | – | V | M22 |
| 2024-08-31 22:49:59 | C | 19 18 19.090 | -73 15 49.14 | – | V | M22 |
| 2024-08-31 22:54:33 | C | 19 18 21.996 | -73 15 29.05 | – | V | M22 |
| 2024-09-03 02:35:33 | C | 19 45 55.010 | -69 28 31.30 | – | V | W68 |
| 2024-09-03 02:40:08 | C | 19 45 56.926 | -69 28 10.42 | – | V | W68 |
| 2024-09-03 02:48:34 | C | 19 46 00.367 | -69 27 32.44 | – | V | W68 |
| 2024-09-03 03:02:51 | C | 19 46 06.204 | -69 26 27.85 | – | V | W68 |
| 2024-09-07 03:23:06 | C | 20 17 17.626 | -62 13 15.60 | – | V | W68 |
| 2024-09-07 03:27:49 | C | 20 17 18.677 | -62 12 54.40 | – | V | W68 |
| 2024-09-07 03:35:16 | C | 20 17 20.362 | -62 12 20.81 | – | V | W68 |
| 2024-09-07 03:52:53 | C | 20 17 24.322 | -62 11 01.32 | – | V | W68 |
| 2024-09-08 00:25:45 | C | 20 22 10.26 | -60 39 55.0 | – | – | 834 |
| 2024-09-08 01:28:14 | C | 20 22 22.86 | -60 35 19.9 | – | – | 834 |
| 2024-09-11 03:22:29 | C | 20 36 03.514 | -55 17 14.53 | – | V | W68 |
| 2024-09-11 03:27:10 | C | 20 36 04.219 | -55 16 54.66 | – | V | W68 |
| 2024-09-11 03:35:07 | C | 20 36 05.345 | -55 16 21.11 | – | V | W68 |
| 2024-09-11 04:07:15 | C | 20 36 10.022 | -55 14 04.88 | – | V | W68 |
| 2024-09-12 20:33:14 | C | 20 42 09.125 | -52 27 53.21 | – | V | M22 |
| 2024-09-12 20:37:56 | C | 20 42 09.706 | -52 27 34.34 | – | V | M22 |
| 2024-09-12 20:46:36 | C | 20 42 10.783 | -52 26 59.17 | – | V | M22 |
| 2024-09-12 21:01:11 | C | 20 42 12.607 | -52 25 59.99 | – | V | M22 |
| 2024-09-14 01:53:41 | C | 20 46 00.47 | -50 31 07.3 | – | – | 834 |
| 2024-09-14 02:53:15 | C | 20 46 07.23 | -50 27 11.4 | – | – | 834 |
| 2024-09-16 03:14:36 | C | 20 51 47.107 | -47 22 44.08 | – | V | W68 |
| 2024-09-16 03:30:20 | C | 20 51 48.655 | -47 21 45.00 | – | V | W68 |
| 2024-09-16 03:40:03 | C | 20 51 49.608 | -47 21 08.71 | – | V | W68 |
| 2024-09-16 03:44:42 | C | 20 51 50.064 | -47 20 51.29 | – | V | W68 |
| 2024-09-20 03:34:55 | C | 21 01 16.397 | -41 44 12.66 | – | V | W68 |
| 2024-09-20 04:12:57 | C | 21 01 19.481 | -41 42 05.33 | – | V | W68 |
| 2024-09-20 04:51:21 | C | 21 01 22.620 | -41 39 56.45 | – | V | W68 |
| 2024-09-21 20:47:21 | C | 21 04 49.579 | -39 31 13.76 | – | V | M22 |
| 2024-09-21 20:58:07 | C | 21 04 50.388 | -39 30 39.53 | – | V | M22 |
| 2024-09-21 21:02:13 | C | 21 04 50.698 | -39 30 26.68 | – | V | M22 |
| 2024-09-21 21:16:18 | C | 21 04 51.744 | -39 29 42.00 | – | V | M22 |
| 2024-09-22 20:36:27 | C | 21 06 46.445 | -38 17 29.76 | – | V | M22 |
| 2024-09-22 20:41:20 | C | 21 06 46.793 | -38 17 14.93 | – | V | M22 |
| 2024-09-22 20:49:18 | C | 21 06 47.381 | -38 16 50.30 | – | V | M22 |
| 2024-09-22 21:05:46 | C | 21 06 48.557 | -38 15 59.90 | – | V | M22 |
| 2024-09-26 20:31:28 | C | 21 14 01.934 | -33 42 42.95 | – | V | M22 |
| 2024-09-26 20:37:06 | C | 21 14 02.299 | -33 42 27.72 | – | V | M22 |
| 2024-09-26 20:46:02 | C | 21 14 02.870 | -33 42 03.60 | – | V | M22 |
| 2024-09-26 21:01:09 | C | 21 14 03.850 | -33 41 22.81 | – | V | M22 |
| 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 |