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 |
|---|---|---|---|---|---|---|
| 2023-12-28 16:41:46 | S | 06 13 31.236 | +62 31 18.19 | – | V | C57 |
| 2023-12-28 16:41:46 | s | 1 +148795.81 | 3 +290580.33 | 2670.0 | – | C57 |
| 2023-12-28 17:01:46 | S | 06 13 27.348 | +62 31 25.86 | – | V | C57 |
| 2023-12-28 17:01:46 | s | 1 +148111.24 | 7 +290801.57 | 5170.0 | – | C57 |
| 2023-12-28 17:21:46 | S | 06 13 23.513 | +62 31 26.54 | – | V | C57 |
| 2023-12-28 17:21:46 | s | 1 +147424.28 | 4 +291018.15 | 690.0 | – | C57 |
| 2023-12-28 17:41:46 | S | 06 13 19.589 | +62 31 35.90 | – | V | C57 |
| 2023-12-28 17:41:46 | s | 1 +146734.90 | 1 +291230.02 | 9240.0 | – | C57 |
| 2023-12-28 18:01:46 | S | 06 13 15.955 | +62 31 37.67 | – | V | C57 |
| 2023-12-28 18:01:46 | s | 1 +146043.09 | 7 +291437.13 | 920.0 | – | C57 |
| 2023-12-28 18:21:46 | S | 06 13 12.098 | +62 31 39.32 | – | V | C57 |
| 2023-12-28 18:21:46 | s | 1 +145348.91 | 7 +291639.55 | 5940.0 | – | C57 |
| 2023-12-28 18:41:46 | S | 06 13 07.764 | +62 31 47.03 | – | V | C57 |
| 2023-12-28 18:41:46 | s | 1 +144652.33 | 5 +291837.21 | 4310.0 | – | C57 |
| 2023-12-28 19:01:46 | S | 06 13 03.694 | +62 31 50.16 | – | V | C57 |
| 2023-12-28 19:01:46 | s | 1 +143953.35 | 2 +292030.08 | 6140.0 | – | C57 |
| 2023-12-28 19:21:46 | S | 06 13 00.142 | +62 31 46.13 | – | V | C57 |
| 2023-12-28 19:21:46 | s | 1 +143252.01 | 3 +292218.23 | 1640.0 | – | C57 |
| 2023-12-28 19:41:46 | S | 06 12 56.270 | +62 31 59.56 | – | V | C57 |
| 2023-12-28 19:41:46 | s | 1 +142548.29 | 2 +292401.57 | 820.0 | – | C57 |
| 2023-12-28 20:01:46 | S | 06 12 52.529 | +62 32 01.50 | – | V | C57 |
| 2023-12-28 20:01:46 | s | 1 +141842.19 | 1 +292580.09 | 3800.0 | – | C57 |
| 2023-12-28 20:21:46 | S | 06 12 48.684 | +62 32 02.62 | – | V | C57 |
| 2023-12-28 20:21:46 | s | 1 +141133.75 | 2 +292753.84 | 760.0 | – | C57 |
| 2023-12-28 20:41:46 | S | 06 12 44.160 | +62 32 09.89 | – | V | C57 |
| 2023-12-28 20:41:46 | s | 1 +140422.95 | 2 +292922.75 | 1750.0 | – | C57 |
| 2023-12-28 20:48:08 | C | 06 11 55.75 | +62 22 40.2 | – | q | L04 |
| 2023-12-28 20:54:45 | C | 06 11 54.49 | +62 22 41.8 | – | q | L04 |
| 2023-12-28 21:01:11 | C | 06 11 53.28 | +62 22 43.3 | – | q | L04 |
| 2023-12-28 21:01:46 | S | 06 12 40.742 | +62 32 13.56 | – | V | C57 |
| 2023-12-28 21:01:46 | s | 1 +139709.79 | 1 +293086.79 | 6860.0 | – | C57 |
| 2023-12-28 21:21:46 | S | 06 12 37.145 | +62 32 17.66 | – | V | C57 |
| 2023-12-28 21:21:46 | s | 1 +138994.31 | 4 +293246.03 | 6300.0 | – | C57 |
| 2023-12-28 21:41:46 | S | 06 12 32.534 | +62 32 20.00 | – | V | C57 |
| 2023-12-28 21:41:46 | s | 1 +138276.49 | 5 +293400.39 | 110.0 | – | C57 |
| 2023-12-28 22:01:46 | S | 06 12 28.822 | +62 32 27.49 | – | V | C57 |
| 2023-12-28 22:01:46 | s | 1 +137556.33 | 7 +293549.85 | 8380.0 | – | C57 |
| 2023-12-28 22:21:46 | S | 06 12 24.739 | +62 32 27.96 | – | V | C57 |
| 2023-12-28 22:21:46 | s | 1 +136833.88 | 1 +293694.46 | 1310.0 | – | C57 |
| 2023-12-28 22:41:46 | S | 06 12 20.887 | +62 32 35.23 | – | V | C57 |
| 2023-12-28 22:41:46 | s | 1 +136109.10 | 6 +293834.15 | 8950.0 | – | C57 |
| 2023-12-28 23:01:46 | S | 06 12 17.004 | +62 32 32.93 | – | V | C57 |
| 2023-12-28 23:01:46 | s | 1 +135382.01 | 1 +293968.90 | 1400.0 | – | C57 |
| 2023-12-28 23:41:46 | S | 06 12 08.357 | +62 32 47.76 | – | V | C57 |
| 2023-12-28 23:41:46 | s | 1 +133920.97 | 0 +294223.66 | 1380.0 | – | C57 |
| 2023-12-29 00:21:46 | S | 06 12 01.524 | +62 32 54.56 | – | V | C57 |
| 2023-12-29 00:21:46 | s | 1 +132450.77 | 7 +294458.56 | 2090.0 | – | C57 |
| 2023-12-29 00:41:46 | S | 06 11 57.542 | +62 32 52.15 | – | V | C57 |
| 2023-12-29 00:41:46 | s | 1 +131712.27 | 5 +294568.55 | 530.0 | – | C57 |
| 2023-12-29 01:41:46 | S | 06 11 46.066 | +62 33 11.05 | – | V | 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 |