2013 ST
Explore asteroids, comets and near-Earth objects with JPL orbital data.
Aten
Observations: 114
Orbital Parameters
Semi-Major Axis
0.8725 AU
Eccentricity
0.2235
Perihelion
0.677 AU
Aphelion
1.067504 AU
Inclination
10.84°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
349.78°
Orbit diagram
The Sun sits at the focus (orange). Earth's orbit is the grey circle at 1 AU. The red dot marks the object's position at the catalog epoch.
3D orbit (interactive)
Drag to rotate; scroll or pinch to zoom. The Sun is at the focus (orange), Earth's orbit is the grey ring at 1 AU, and the red dot marks the object's current position.
Close approaches
Predicted close approaches to Earth, from NASA's Center for Near-Earth Object Studies (CNEOS).
| Date (UTC) | Miss distance | Velocity |
|---|---|---|
| 2027-Apr-01 02:14 | 0.315463 AU 47192556 km |
11.80 km/s |
| 2031-Jun-04 07:46 | 0.329174 AU 49243753 km |
9.12 km/s |
| 2031-Nov-29 22:19 | 0.196888 AU 29454005 km |
9.30 km/s |
| 2035-Sep-17 07:54 | 0.034976 AU 5232339 km |
8.46 km/s |
| 2036-Feb-29 10:24 | 0.272158 AU 40714324 km |
10.06 km/s |
| 2039-Sep-25 17:19 | 0.466051 AU 69720210 km |
21.61 km/s |
| 2040-May-04 04:09 | 0.340356 AU 50916534 km |
11.45 km/s |
| 2040-Nov-26 10:58 | 0.340751 AU 50975582 km |
15.71 km/s |
| 2044-Oct-06 23:40 | 0.084799 AU 12685733 km |
6.64 km/s |
| 2045-Jan-26 14:12 | 0.229215 AU 34290024 km |
6.85 km/s |
| 2048-Sep-19 00:33 | 0.302912 AU 45315027 km |
16.21 km/s |
| 2049-Apr-09 22:42 | 0.324581 AU 48556589 km |
11.94 km/s |
| 2053-Jun-22 06:10 | 0.310600 AU 46465096 km |
6.96 km/s |
| 2053-Nov-16 03:43 | 0.165628 AU 24777597 km |
6.97 km/s |
| 2057-Sep-15 16:55 | 0.173855 AU 26008394 km |
11.84 km/s |
| 2058-Mar-20 17:05 | 0.304230 AU 45512191 km |
11.37 km/s |
| 2062-May-24 23:52 | 0.339293 AU 50757507 km |
10.07 km/s |
| 2062-Nov-30 13:13 | 0.249829 AU 37373856 km |
11.24 km/s |
| 2066-Sep-19 12:03 | 0.029066 AU 4348142 km |
7.61 km/s |
| 2067-Feb-21 18:15 | 0.265178 AU 39670026 km |
9.45 km/s |
| 2070-Sep-24 02:13 | 0.428641 AU 64123799 km |
20.42 km/s |
| 2071-Apr-29 13:50 | 0.337573 AU 50500200 km |
11.64 km/s |
| 2071-Nov-25 20:51 | 0.369431 AU 55266018 km |
16.91 km/s |
| 2079-Sep-18 23:00 | 0.227147 AU 33980730 km |
15.38 km/s |
Distances in astronomical units (AU) and kilometres. Source: NASA/JPL CNEOS Close Approach Data API.
Physical Parameters
Diameter
— km
Albedo
—
Density
— g/cm³
Rotation Period
— h
Absolute Magnitude
24.7
Orbit Quality
RMS
0.39121
Condition
6
Orbit ID
—