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 |
|---|---|---|---|---|---|---|
| 2023-12-15 11:27:39 | C | 07 02 56.184 | +59 35 56.29 | – | V | T08 |
| 2023-12-15 11:30:36 | C | 07 02 55.800 | +59 35 58.02 | – | V | T08 |
| 2023-12-15 11:34:53 | C | 07 02 55.272 | +59 36 01.48 | – | V | T08 |
| 2023-12-15 11:43:43 | C | 07 02 53.998 | +59 36 07.78 | – | V | T08 |
| 2023-12-15 11:45:07 | S | 07 03 51.674 | +59 43 52.43 | – | V | C57 |
| 2023-12-15 11:45:07 | s | 1 +139488.07 | 2 +301303.17 | 8160.0 | – | C57 |
| 2023-12-15 13:05:07 | S | 07 03 41.242 | +59 44 44.38 | – | V | C57 |
| 2023-12-15 13:05:07 | s | 1 +136689.13 | 8 +301846.33 | 8450.0 | – | C57 |
| 2023-12-15 13:25:07 | S | 07 03 37.582 | +59 45 06.12 | – | V | C57 |
| 2023-12-15 13:25:07 | s | 1 +135983.98 | 7 +301970.48 | 1570.0 | – | C57 |
| 2023-12-15 13:45:07 | S | 07 03 35.554 | +59 45 21.60 | – | V | C57 |
| 2023-12-15 13:45:07 | s | 1 +135276.68 | 3 +302089.96 | 120.0 | – | C57 |
| 2023-12-15 15:48:27 | S | 07 03 18.442 | +59 46 57.61 | – | V | C57 |
| 2023-12-15 15:48:27 | s | 1 +130867.86 | 8 +302722.81 | 5190.0 | – | C57 |
| 2023-12-15 16:08:27 | S | 07 03 16.260 | +59 47 03.84 | – | V | C57 |
| 2023-12-15 16:08:27 | s | 1 +130145.31 | 5 +302808.38 | 4140.0 | – | C57 |
| 2023-12-15 16:28:27 | S | 07 03 13.661 | +59 47 23.71 | – | V | C57 |
| 2023-12-15 16:28:27 | s | 1 +129420.68 | 3 +302889.23 | 9450.0 | – | C57 |
| 2023-12-15 16:48:27 | S | 07 03 10.342 | +59 47 36.20 | – | V | C57 |
| 2023-12-15 16:48:27 | s | 1 +128693.96 | 4 +302965.29 | 1200.0 | – | C57 |
| 2023-12-15 17:28:27 | S | 07 03 05.378 | +59 48 09.36 | – | V | C57 |
| 2023-12-15 17:28:27 | s | 1 +127234.24 | 5 +303102.94 | 4370.0 | – | C57 |
| 2023-12-15 17:48:27 | S | 07 03 02.342 | +59 48 25.09 | – | V | C57 |
| 2023-12-15 17:48:27 | s | 1 +126501.28 | 8 +303164.56 | 6070.0 | – | C57 |
| 2023-12-15 18:08:27 | S | 07 03 00.127 | +59 48 39.78 | – | V | C57 |
| 2023-12-15 18:08:27 | s | 1 +125766.24 | 1 +303221.29 | 4620.0 | – | C57 |
| 2023-12-15 18:28:27 | S | 07 02 57.077 | +59 48 53.46 | – | V | C57 |
| 2023-12-15 18:28:27 | s | 1 +125029.15 | 6 +303273.21 | 180.0 | – | C57 |
| 2023-12-15 18:48:27 | S | 07 02 55.080 | +59 49 11.28 | – | V | C57 |
| 2023-12-15 18:48:27 | s | 1 +124290.02 | 4 +303320.27 | 2860.0 | – | C57 |
| 2023-12-15 19:08:27 | S | 07 02 51.955 | +59 49 22.84 | – | V | C57 |
| 2023-12-15 19:08:27 | s | 1 +123548.82 | 2 +303362.40 | 2730.0 | – | C57 |
| 2023-12-15 19:48:27 | S | 07 02 46.932 | +59 49 49.98 | – | V | C57 |
| 2023-12-15 19:48:27 | s | 1 +122060.35 | 7 +303432.07 | 4640.0 | – | C57 |
| 2023-12-15 20:08:27 | S | 07 02 43.865 | +59 50 06.86 | – | V | C57 |
| 2023-12-15 20:08:27 | s | 1 +121313.06 | 3 +303459.48 | 6860.0 | – | C57 |
| 2023-12-15 20:28:27 | S | 07 02 41.191 | +59 50 21.95 | – | V | C57 |
| 2023-12-15 20:28:27 | s | 1 +120563.77 | 2 +303482.00 | 6790.0 | – | C57 |
| 2023-12-15 20:48:27 | S | 07 02 38.110 | +59 50 37.32 | – | V | C57 |
| 2023-12-15 20:48:27 | s | 1 +119812.47 | 7 +303499.60 | 4530.0 | – | C57 |
| 2023-12-15 21:08:27 | S | 07 02 35.592 | +59 50 53.63 | – | V | C57 |
| 2023-12-15 21:08:27 | s | 1 +119059.15 | 3 +303512.17 | 160.0 | – | C57 |
| 2023-12-15 21:28:27 | S | 07 02 33.312 | +59 51 05.76 | – | V | C57 |
| 2023-12-15 21:28:27 | s | 1 +118303.85 | 5 +303519.82 | 3860.0 | – | C57 |
| 2023-12-15 21:48:27 | S | 07 02 30.586 | +59 51 21.28 | – | V | C57 |
| 2023-12-15 21:48:27 | s | 1 +117546.57 | 4 +303522.50 | 5710.0 | – | C57 |
| 2023-12-15 22:08:27 | S | 07 02 27.319 | +59 51 37.48 | – | V | C57 |
| 2023-12-15 22:08:27 | s | 1 +116787.28 | 7 +303520.12 | 5830.0 | – | C57 |
| 2023-12-15 22:28:27 | S | 07 02 25.164 | +59 51 50.15 | – | V | C57 |
| 2023-12-15 22:28:27 | s | 1 +116026.04 | 7 +303512.77 | 4360.0 | – | 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 |