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 |
|---|---|---|---|---|---|---|
| 2023-12-14 05:45:07 | S | 07 07 38.083 | +59 19 58.19 | – | V | C57 |
| 2023-12-14 05:45:07 | s | 1 +192503.46 | 2 +270848.87 | 3640.0 | – | C57 |
| 2023-12-14 06:05:07 | S | 07 07 35.969 | +59 20 17.63 | – | V | C57 |
| 2023-12-14 06:05:07 | s | 1 +192027.17 | 7 +271365.58 | 6250.0 | – | C57 |
| 2023-12-14 06:25:07 | S | 07 07 33.782 | +59 20 35.27 | – | V | C57 |
| 2023-12-14 06:25:07 | s | 1 +191548.18 | 0 +271878.52 | 5480.0 | – | C57 |
| 2023-12-14 06:31:46 | C | 07 06 25.564 | +59 13 16.82 | – | V | 703 |
| 2023-12-14 06:34:56 | C | 07 06 25.132 | +59 13 19.02 | – | V | 703 |
| 2023-12-14 06:38:06 | C | 07 06 24.718 | +59 13 21.00 | – | V | 703 |
| 2023-12-14 06:41:16 | C | 07 06 24.350 | +59 13 23.92 | – | V | 703 |
| 2023-12-14 06:45:07 | S | 07 07 30.672 | +59 20 50.35 | – | V | C57 |
| 2023-12-14 06:45:07 | s | 1 +191066.48 | 7 +272387.72 | 1470.0 | – | C57 |
| 2023-12-14 08:05:07 | S | 07 07 22.414 | +59 21 52.56 | – | V | C57 |
| 2023-12-14 08:05:07 | s | 1 +189112.89 | 5 +274386.82 | 4910.0 | – | C57 |
| 2023-12-14 08:25:07 | S | 07 07 19.514 | +59 22 13.44 | – | V | C57 |
| 2023-12-14 08:25:07 | s | 1 +188617.81 | 0 +274877.12 | 6020.0 | – | C57 |
| 2023-12-14 09:05:07 | S | 07 07 14.186 | +59 22 42.67 | – | V | C57 |
| 2023-12-14 09:05:07 | s | 1 +187619.67 | 4 +275846.33 | 230.0 | – | C57 |
| 2023-12-14 12:45:07 | S | 07 06 47.782 | +59 25 41.20 | – | V | C57 |
| 2023-12-14 12:45:07 | s | 1 +181941.66 | 9 +280901.92 | 5270.0 | – | C57 |
| 2023-12-14 13:05:07 | S | 07 06 44.573 | +59 26 01.93 | – | V | C57 |
| 2023-12-14 13:05:07 | s | 1 +181409.04 | 0 +281338.34 | 6990.0 | – | C57 |
| 2023-12-14 13:25:07 | S | 07 06 42.641 | +59 26 18.24 | – | V | C57 |
| 2023-12-14 13:25:07 | s | 1 +180874.62 | 5 +281770.70 | 6350.0 | – | C57 |
| 2023-12-14 13:45:07 | S | 07 06 39.739 | +59 26 29.87 | – | V | C57 |
| 2023-12-14 13:45:07 | s | 1 +180337.64 | 5 +282199.12 | 4430.0 | – | C57 |
| 2023-12-14 14:25:07 | S | 07 06 35.150 | +59 27 05.98 | – | V | C57 |
| 2023-12-14 14:25:07 | s | 1 +179255.99 | 2 +283044.14 | 6760.0 | – | C57 |
| 2023-12-14 15:25:07 | S | 07 06 27.931 | +59 27 55.62 | – | V | C57 |
| 2023-12-14 15:25:07 | s | 1 +177614.33 | 1 +284281.95 | 6900.0 | – | C57 |
| 2023-12-14 15:45:07 | S | 07 06 25.402 | +59 28 05.84 | – | V | C57 |
| 2023-12-14 15:45:07 | s | 1 +177062.01 | 7 +284686.58 | 8400.0 | – | C57 |
| 2023-12-14 16:25:07 | S | 07 06 19.918 | +59 28 38.75 | – | V | C57 |
| 2023-12-14 16:25:07 | s | 1 +175949.79 | 5 +285483.87 | 9160.0 | – | C57 |
| 2023-12-14 17:05:07 | S | 07 06 15.595 | +59 29 14.60 | – | V | C57 |
| 2023-12-14 17:05:07 | s | 1 +174827.47 | 4 +286265.10 | 7480.0 | – | C57 |
| 2023-12-14 17:25:07 | S | 07 06 12.835 | +59 29 29.83 | – | V | C57 |
| 2023-12-14 17:25:07 | s | 1 +174262.53 | 6 +286649.66 | 5920.0 | – | C57 |
| 2023-12-14 17:45:07 | S | 07 06 10.243 | +59 29 46.72 | – | V | C57 |
| 2023-12-14 17:45:07 | s | 1 +173695.09 | 1 +287030.18 | 4030.0 | – | C57 |
| 2023-12-14 18:05:07 | S | 07 06 07.212 | +59 30 00.79 | – | V | C57 |
| 2023-12-14 18:05:07 | s | 1 +173125.15 | 3 +287406.66 | 1920.0 | – | C57 |
| 2023-12-14 18:25:07 | S | 07 06 05.054 | +59 30 16.38 | – | V | C57 |
| 2023-12-14 18:25:07 | s | 1 +172552.70 | 8 +287779.07 | 9600.0 | – | C57 |
| 2023-12-14 18:45:07 | S | 07 06 02.827 | +59 30 34.60 | – | V | C57 |
| 2023-12-14 18:45:07 | s | 1 +171977.77 | 4 +288147.40 | 7210.0 | – | C57 |
| 2023-12-14 19:05:07 | S | 07 06 00.372 | +59 30 49.75 | – | V | C57 |
| 2023-12-14 19:05:07 | s | 1 +171400.36 | 3 +288511.68 | 4870.0 | – | C57 |
| 2023-12-14 19:25:07 | S | 07 05 57.696 | +59 31 04.08 | – | V | C57 |
| 2023-12-14 19:25:07 | s | 1 +170820.46 | 4 +288871.84 | 2600.0 | – | C57 |
| 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 |