2011 ST12 |
ephemeris |
date |
magn |
radius |
delta (AU) |
delta (LD) |
delta (km) |
ra |
dec |
elong |
phase |
Brightest | 21 Sep 2024 | 22.3 | 1.035 AU | 0.056 AU | 21.95 LD | 8,440,758 km | 03h17m | +33°07' | 121.5° | 55.8° |
Approach | 26 Sep 2024 | 22.6 | 1.015 AU | 0.051 AU | 19.82 LD | 7,621,995 km | 05h01m | +50°48' | 102.6° | 74.6° |
Today | 9 Feb 2025 | 27.3 | 1.038 AU | 0.460 AU | 178.93 LD | 68,793,123 km | 15h40m | -17°40' | 83.2° | 70.7° |
Based on its absolute magnitude (Hâ‚’) of 26.4 and an albedo between 0.25 and 0.05, the estimated diameter of 2011 ST12 is 15 - 30 m.
2011 ST12- 2025-02-09
astro.vanbuitenen.nl
The interactive orbit chart above shows the near-earth object's path through the solar system and its position at the given date.
Green and blue lines are shown perpendicular to the ecliptic plane: Green if the path is above the ecliptic plane, blue if it is below.
(Left-click and drag to rotate the view; right-click and drag to move the view; use scroll wheel to zoom in our out.)
The light curve chart below shows the estimated development of the NEO's magnitude during its approach to earth.
The following all-sky chart shows the path of the NEO in the coming months.
The following chart shows the path of the NEO in the coming days or hours. The field of view is optimized for (~10x50) binoculars and finderscopes.
A more printer-friendly version of the same chart can be found below.