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 |
|---|---|---|---|---|---|---|
| 2023-12-30 02:08:26 | S | 06 06 54.408 | +62 36 31.00 | – | V | C57 |
| 2023-12-30 02:08:26 | s | 1 +69257.446 | 0 +287080.21 | 7460.0 | – | C57 |
| 2023-12-30 02:28:26 | S | 06 06 50.196 | +62 36 28.48 | – | V | C57 |
| 2023-12-30 02:28:26 | s | 1 +68368.946 | 0 +286757.08 | 3820.0 | – | C57 |
| 2023-12-30 02:48:26 | S | 06 06 46.250 | +62 36 32.04 | – | V | C57 |
| 2023-12-30 02:48:26 | s | 1 +67478.915 | 0 +286427.67 | 2890.0 | – | C57 |
| 2023-12-30 04:08:26 | S | 06 06 29.954 | +62 36 40.18 | – | V | C57 |
| 2023-12-30 04:08:26 | s | 1 +63903.676 | 0 +285046.39 | 1840.0 | – | C57 |
| 2023-12-30 04:28:26 | S | 06 06 26.450 | +62 36 45.47 | – | V | C57 |
| 2023-12-30 04:28:26 | s | 1 +63006.171 | 0 +284685.14 | 1310.0 | – | C57 |
| 2023-12-30 04:48:26 | S | 06 06 22.639 | +62 36 44.86 | – | V | C57 |
| 2023-12-30 04:48:26 | s | 1 +62107.215 | 0 +284317.46 | 2270.0 | – | C57 |
| 2023-12-30 05:28:26 | S | 06 06 13.517 | +62 36 48.31 | – | V | C57 |
| 2023-12-30 05:28:26 | s | 1 +60304.977 | 0 +283562.66 | 7600.0 | – | C57 |
| 2023-12-30 05:48:26 | S | 06 06 10.154 | +62 36 47.99 | – | V | C57 |
| 2023-12-30 05:48:26 | s | 1 +59401.744 | 0 +283175.57 | 1680.0 | – | C57 |
| 2023-12-30 06:08:26 | S | 06 06 06.300 | +62 36 49.39 | – | V | C57 |
| 2023-12-30 06:08:26 | s | 1 +58497.096 | 0 +282781.89 | 6260.0 | – | C57 |
| 2023-12-30 06:28:26 | S | 06 06 02.023 | +62 36 51.88 | – | V | C57 |
| 2023-12-30 06:28:26 | s | 1 +57591.079 | 0 +282381.75 | 1330.0 | – | C57 |
| 2023-12-30 06:48:26 | S | 06 05 58.066 | +62 36 52.45 | – | V | C57 |
| 2023-12-30 06:48:26 | s | 1 +56683.697 | 0 +281975.06 | 6600.0 | – | C57 |
| 2023-12-30 07:08:26 | S | 06 05 54.523 | +62 36 50.80 | – | V | C57 |
| 2023-12-30 07:08:26 | s | 1 +55774.944 | 0 +281561.71 | 1690.0 | – | C57 |
| 2023-12-30 07:28:26 | S | 06 05 50.503 | +62 36 56.48 | – | V | C57 |
| 2023-12-30 07:28:26 | s | 1 +54864.867 | 0 +281141.82 | 6620.0 | – | C57 |
| 2023-12-30 08:28:26 | S | 06 05 38.506 | +62 36 54.54 | – | V | C57 |
| 2023-12-30 08:28:26 | s | 1 +52126.744 | 0 +279842.30 | 7450.0 | – | C57 |
| 2023-12-30 08:48:26 | S | 06 05 33.794 | +62 37 02.50 | – | V | C57 |
| 2023-12-30 08:48:26 | s | 1 +51211.468 | 0 +279395.81 | 9050.0 | – | C57 |
| 2023-12-30 09:28:26 | S | 06 05 26.004 | +62 37 02.75 | – | V | C57 |
| 2023-12-30 09:28:26 | s | 1 +49377.128 | 0 +278482.58 | 7600.0 | – | C57 |
| 2023-12-30 09:48:26 | S | 06 05 21.890 | +62 37 02.82 | – | V | C57 |
| 2023-12-30 09:48:26 | s | 1 +48458.115 | 0 +278015.89 | 4240.0 | – | C57 |
| 2023-12-30 10:08:26 | S | 06 05 18.156 | +62 37 05.23 | – | V | C57 |
| 2023-12-30 10:08:26 | s | 1 +47537.874 | 0 +277542.34 | 8600.0 | – | C57 |
| 2023-12-30 10:28:26 | S | 06 05 14.153 | +62 37 06.28 | – | V | C57 |
| 2023-12-30 10:28:26 | s | 1 +46616.448 | 0 +277062.05 | 710.0 | – | C57 |
| 2023-12-30 11:28:26 | S | 06 05 01.997 | +62 37 11.17 | – | V | C57 |
| 2023-12-30 11:28:26 | s | 1 +43845.153 | 0 +275580.11 | 240.0 | – | C57 |
| 2023-12-30 11:48:26 | S | 06 04 57.946 | +62 37 09.98 | – | V | C57 |
| 2023-12-30 11:48:26 | s | 1 +42919.113 | 0 +275072.40 | 410.0 | – | C57 |
| 2023-12-30 12:08:26 | S | 06 04 53.184 | +62 37 11.10 | – | V | C57 |
| 2023-12-30 12:08:26 | s | 1 +41991.948 | 0 +274557.69 | 6800.0 | – | C57 |
| 2023-12-30 12:28:26 | S | 06 04 49.733 | +62 37 08.65 | – | V | C57 |
| 2023-12-30 12:28:26 | s | 1 +41063.702 | 0 +274036.12 | 9440.0 | – | C57 |
| 2023-12-30 12:48:26 | S | 06 04 45.554 | +62 37 12.29 | – | V | C57 |
| 2023-12-30 12:48:26 | s | 1 +40134.383 | 0 +273507.59 | 7990.0 | – | C57 |
| 2023-12-30 13:08:26 | S | 06 04 41.450 | +62 37 12.72 | – | V | C57 |
| 2023-12-30 13:08:26 | s | 1 +39203.993 | 0 +272971.99 | 1950.0 | – | 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 |