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 |
|---|---|---|---|---|---|---|
| 2024-01-01 02:08:26 | s | 1 -64205.183 | 0 +164036.68 | 0.035 | – | C57 |
| 2024-01-01 02:28:26 | S | 05 57 10.846 | +62 35 57.19 | – | V | C57 |
| 2024-01-01 02:28:26 | s | 1 -65050.664 | 0 +162554.91 | 0.707 | – | C57 |
| 2024-01-01 02:48:26 | S | 05 57 06.643 | +62 35 52.62 | – | V | C57 |
| 2024-01-01 02:48:26 | s | 1 -65892.291 | 0 +161063.42 | 0.182 | – | C57 |
| 2024-01-01 03:08:26 | S | 05 57 02.995 | +62 35 46.21 | – | V | C57 |
| 2024-01-01 03:08:26 | s | 1 -66729.916 | 0 +159562.06 | 0.262 | – | C57 |
| 2024-01-01 03:48:26 | S | 05 56 54.490 | +62 35 44.09 | – | V | C57 |
| 2024-01-01 03:48:26 | s | 1 -68393.030 | 0 +156530.30 | 0.311 | – | C57 |
| 2024-01-01 04:08:26 | S | 05 56 51.096 | +62 35 42.58 | – | V | C57 |
| 2024-01-01 04:08:26 | s | 1 -69218.238 | 0 +154999.67 | 0.923 | – | C57 |
| 2024-01-01 04:28:26 | S | 05 56 46.918 | +62 35 39.16 | – | V | C57 |
| 2024-01-01 04:28:26 | s | 1 -70039.161 | 0 +153459.36 | 0.936 | – | C57 |
| 2024-01-01 04:48:26 | S | 05 56 42.540 | +62 35 37.93 | – | V | C57 |
| 2024-01-01 04:48:26 | s | 1 -70855.668 | 0 +151909.30 | 0.193 | – | C57 |
| 2024-01-01 05:08:26 | S | 05 56 38.470 | +62 35 36.20 | – | V | C57 |
| 2024-01-01 05:08:26 | s | 1 -71667.594 | 0 +150349.35 | 0.482 | – | C57 |
| 2024-01-01 05:48:26 | S | 05 56 30.763 | +62 35 31.42 | – | V | C57 |
| 2024-01-01 05:48:26 | s | 1 -73277.571 | 0 +147200.34 | 0.236 | – | C57 |
| 2024-01-01 06:08:26 | S | 05 56 26.959 | +62 35 28.03 | – | V | C57 |
| 2024-01-01 06:08:26 | s | 1 -74075.310 | 0 +145611.07 | 0.319 | – | C57 |
| 2024-01-01 06:54:08 | C | 05 56 41.924 | +62 33 00.76 | – | V | 703 |
| 2024-01-01 06:57:37 | C | 05 56 41.186 | +62 33 00.79 | – | V | 703 |
| 2024-01-01 07:01:06 | C | 05 56 40.607 | +62 33 00.94 | – | V | 703 |
| 2024-01-01 07:04:34 | C | 05 56 39.952 | +62 33 01.58 | – | V | 703 |
| 2024-01-01 07:08:26 | S | 05 56 14.890 | +62 35 19.07 | – | V | C57 |
| 2024-01-01 07:08:26 | s | 1 -76438.589 | 0 +140784.87 | 0.734 | – | C57 |
| 2024-01-01 07:28:26 | S | 05 56 10.973 | +62 35 14.89 | – | V | C57 |
| 2024-01-01 07:28:26 | s | 1 -77215.986 | 0 +139156.65 | 0.211 | – | C57 |
| 2024-01-01 07:48:26 | S | 05 56 07.090 | +62 35 18.64 | – | V | C57 |
| 2024-01-01 07:48:26 | s | 1 -77988.024 | 0 +137518.71 | 0.024 | – | C57 |
| 2024-01-01 08:08:26 | S | 05 56 02.858 | +62 35 11.87 | – | V | C57 |
| 2024-01-01 08:08:26 | s | 1 -78754.507 | 0 +135870.92 | 0.939 | – | C57 |
| 2024-01-01 08:28:26 | S | 05 55 59.052 | +62 35 10.86 | – | V | C57 |
| 2024-01-01 08:28:26 | s | 1 -79515.446 | 0 +134213.51 | 0.047 | – | C57 |
| 2024-01-01 08:48:26 | S | 05 55 54.847 | +62 35 10.72 | – | V | C57 |
| 2024-01-01 08:48:26 | s | 1 -80270.682 | 0 +132546.41 | 0.17 | – | C57 |
| 2024-01-01 09:08:26 | S | 05 55 50.887 | +62 35 02.26 | – | V | C57 |
| 2024-01-01 09:08:26 | s | 1 -81020.008 | 0 +130869.51 | 0.065 | – | C57 |
| 2024-01-01 11:48:26 | S | 05 55 18.624 | +62 34 38.24 | – | V | C57 |
| 2024-01-01 11:48:26 | s | 1 -86790.186 | 0 +117108.63 | 0.268 | – | C57 |
| 2024-01-01 12:08:26 | S | 05 55 15.434 | +62 34 36.66 | – | V | C57 |
| 2024-01-01 12:08:26 | s | 1 -87481.375 | 0 +115345.55 | 0.035 | – | C57 |
| 2024-01-01 12:28:26 | S | 05 55 11.465 | +62 34 31.94 | – | V | C57 |
| 2024-01-01 12:28:26 | s | 1 -88165.520 | 0 +113573.15 | 0.644 | – | C57 |
| 2024-01-01 12:48:26 | S | 05 55 07.913 | +62 34 29.32 | – | V | C57 |
| 2024-01-01 12:48:26 | s | 1 -88842.430 | 0 +111791.39 | 0.893 | – | C57 |
| 2024-01-01 13:08:26 | S | 05 55 03.166 | +62 34 27.30 | – | V | C57 |
| 2024-01-01 13:08:26 | s | 1 -89511.855 | 0 +110000.17 | 0.507 | – | C57 |
| 2024-01-01 13:28:26 | S | 05 54 59.890 | +62 34 23.74 | – | 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 |