About 11885 Summanus (1990 SS)
11885 Summanus (1990 SS) is an uncommon neo. It swings within 0.895 AU of the Sun at perihelion.
Roughly 1.3 km across.
Uncommon neo 25 EP
11885 Summanus (1990 SS)
Position computed live · sbdb
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Live ephemeris
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Score breakdown
· 3 badgesUncommon 33 pts → Rare
- Crosses Earth's orbit +12
- Has a proper name +8
- Near-Earth object +5
Total score 25
8 more points to reach Rare.
Badges
- Near-Earth object · +5
- Crosses Earth's orbit · +12
- Has a proper name · +8
Trivia
How we found it
- Named. Notable enough to have earned a proper name, not just a catalogue number.
Cosmic context
- Size. Roughly 1.3 km across.
- Ancient. A leftover from the Solar System's birth, older than every continent on Earth.
Properties
- diameter km
- 1.298
- eccentricity
- 0.4746
- h mag
- 18.52
- inclination
- 19.43
- name
- 11885 Summanus (1990 SS)
- named
- yes
- orbit class
- APO
- perihelion au
- 0.8948
- semi major au
- 1.703
How to see it
Like any astronomical target, 11885 Summanus (1990 SS) is best seen from a dark site away from city lights, and when it is above the horizon depends on your latitude and the time of year. Because it moves against the background stars, the live position panel on this page tracks where it is right now. The visibility panel above works out tonight's viewing window for your saved location.
Why 11885 Summanus (1990 SS) is an uncommon neo
11885 Summanus (1990 SS) scores 25 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 8 points would lift it into a rarer tier.
That score comes from 3 science badges — Near-Earth object, Crosses Earth's orbit and Has a proper name — each earned for a real, measurable property of the object. Rarity on Spacedle is never random: the more remarkable an object's astrophysics, the more badges it collects, the higher it scores, and the rarer it ranks.