| 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 |
|---|---|---|---|---|---|---|
| 2020-01-23 11:36:03 | C | 14 23 07.75 | +07 48 13.1 | – | V | 703 |
| 2020-01-23 11:45:40 | C | 14 23 09.40 | +07 47 59.3 | – | V | 703 |
| 2020-01-23 11:55:16 | C | 14 23 11.01 | +07 47 45.7 | – | V | 703 |
| 2020-01-23 12:04:52 | C | 14 23 12.65 | +07 47 32.0 | – | V | 703 |
| 2020-01-24 04:10:39 | C | 14 26 00.77 | +07 24 30.4 | – | V | 160 |
| 2020-01-24 04:14:05 | C | 14 26 01.38 | +07 24 25.6 | – | V | 160 |
| 2020-01-24 04:17:30 | C | 14 26 01.95 | +07 24 21.1 | – | V | 160 |
| 2020-01-26 03:29:04 | S | 14 34 23.11 | +06 15 03.8 | – | L | C51 |
| 2020-01-26 06:37:23 | S | 14 34 56.91 | +06 10 18.4 | – | L | C51 |
| 2020-01-26 09:45:43 | S | 14 35 30.89 | +06 05 33.5 | – | L | C51 |
| 2020-01-26 09:45:53 | S | 14 35 30.91 | +06 05 33.2 | – | L | C51 |
| 2020-01-26 12:54:12 | S | 14 36 04.88 | +06 00 47.6 | – | L | C51 |
| 2020-01-26 16:02:32 | S | 14 36 38.88 | +05 56 00.6 | – | L | C51 |
| 2020-01-26 19:10:51 | S | 14 37 12.998 | +05 51 13.72 | – | L | C51 |
| 2020-01-26 19:11:02 | S | 14 37 12.982 | +05 51 13.90 | – | L | C51 |
| 2020-01-26 22:19:21 | S | 14 37 47.19 | +05 46 23.8 | – | L | C51 |
| 2020-01-27 01:27:40 | S | 14 38 21.34 | +05 41 36.0 | – | L | C51 |
| 2020-01-27 07:44:29 | S | 14 39 30.02 | +05 31 53.0 | – | L | C51 |
| 2020-01-27 10:52:48 | S | 14 40 04.42 | +05 27 01.2 | – | L | C51 |
| 2020-01-27 14:01:18 | S | 14 40 38.940 | +05 22 07.54 | – | L | C51 |
| 2020-01-27 20:17:56 | S | 14 41 48.05 | +05 12 18.8 | – | L | C51 |
| 2020-01-27 23:26:26 | S | 14 42 22.71 | +05 07 23.4 | – | L | C51 |
| 2020-01-28 02:34:45 | S | 14 42 57.42 | +05 02 27.1 | – | L | C51 |
| 2020-01-28 05:43:04 | S | 14 43 32.20 | +04 57 29.7 | – | L | C51 |
| 2020-01-28 07:17:19 | S | 14 43 49.64 | +04 54 59.8 | – | L | C51 |
| 2020-01-28 08:51:34 | S | 14 44 07.10 | +04 52 30.2 | – | L | C51 |
| 2020-01-28 10:25:39 | S | 14 44 24.49 | +04 50 01.2 | – | L | C51 |
| 2020-01-28 11:59:53 | S | 14 44 41.97 | +04 47 31.2 | – | L | C51 |
| 2020-01-28 13:34:08 | S | 14 44 59.42 | +04 45 01.9 | – | L | C51 |
| 2020-01-28 15:08:13 | S | 14 45 16.96 | +04 42 31.5 | – | L | C51 |
| 2020-01-28 16:42:28 | S | 14 45 34.46 | +04 40 01.3 | – | L | C51 |
| 2020-01-28 18:16:43 | S | 14 45 52.00 | +04 37 30.1 | – | L | C51 |
| 2020-01-28 19:50:46 | S | 14 46 09.54 | +04 34 59.6 | – | L | C51 |
| 2020-01-28 21:25:02 | S | 14 46 27.14 | +04 32 28.5 | – | L | C51 |
| 2020-01-28 22:59:17 | S | 14 46 44.71 | +04 29 56.3 | – | L | C51 |
| 2020-01-29 00:33:21 | S | 14 47 02.32 | +04 27 24.2 | – | L | C51 |
| 2020-01-29 00:33:32 | S | 14 47 02.30 | +04 27 25.0 | – | L | C51 |
| 2020-01-29 02:07:35 | S | 14 47 19.96 | +04 24 53.0 | – | L | C51 |
| 2020-01-29 03:41:51 | S | 14 47 37.55 | +04 22 21.8 | – | L | C51 |
| 2020-01-29 05:15:55 | S | 14 47 55.18 | +04 19 49.2 | – | L | C51 |
| 2020-01-29 06:50:10 | S | 14 48 12.84 | +04 17 16.8 | – | L | C51 |
| 2020-01-29 08:24:25 | S | 14 48 30.53 | +04 14 44.3 | – | L | C51 |
| 2020-01-29 11:32:44 | S | 14 49 06.00 | +04 09 38.0 | – | L | C51 |
| 2020-01-29 13:06:15 | S | 14 49 23.57 | +04 07 05.4 | – | L | C51 |
| 2020-01-29 14:41:03 | S | 14 49 41.49 | +04 04 31.1 | – | L | C51 |
| 2020-01-29 14:41:14 | S | 14 49 41.45 | +04 04 31.3 | – | L | C51 |
| 2020-01-29 16:15:18 | S | 14 49 59.21 | +04 01 57.2 | – | L | C51 |
| 2020-01-29 19:23:48 | S | 14 50 34.90 | +03 56 48.9 | – | L | C51 |
| 2020-01-29 20:57:52 | S | 14 50 52.61 | +03 54 14.3 | – | L | C51 |
| 2020-01-30 00:06:11 | S | 14 51 28.29 | +03 49 05.1 | – | 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 |