About Mocia
Mocia is a rare asteroid. It has spectral type CF and swings within 3.196 AU of the Sun at perihelion.
An outer main-belt asteroid, out towards Jupiter where the rocks grow darker and richer in carbon and ice.
Rare asteroid 34 EP
Mocia
Position computed live · asteroid
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Live ephemeris
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Score breakdown
· 6 badgesRare 50 pts → Epic
- Darker than charcoal +10
- Notably bright (low H) +8
- Has a proper name +8
- Carbonaceous — as old as the solar system +6
- Asteroid +1
- Main-belt asteroid +1
Total score 34
16 more points to reach Epic.
Badges
- Asteroid · +1
- Notably bright (low H) · +8
- Has a proper name · +8
- Main-belt asteroid · +1
- Darker than charcoal · +10
- Carbonaceous — as old as the solar system · +6
Trivia
What it actually is
- Its orbit family. An outer main-belt asteroid, out towards Jupiter where the rocks grow darker and richer in carbon and ice.
- Closest approach. At its nearest it comes within 3.2 AU of the Sun — inside the orbit of Jupiter.
- One lap. A single orbit around the Sun takes it about 6.3 years.
- How far it roams. Its orbit swings between 3.2 and 3.6 AU from the Sun.
Sense of scale
- Sense of scale. In everyday terms it is about 4.6× the length of Manhattan island.
- Walk around it. Walking its equator at a steady pace, eight hours a day, would take about 7.7 days.
By the numbers
- Size. Roughly 98.5 km across.
What's in a name
- Named. Notable enough to have earned a proper name, not just a catalogue number.
Properties
- albedo
- 0.044
- aphelion au
- 3.6
- designation
- 733
- diameter km
- 98.493
- eccentricity
- 0.0588
- full name
- 733 Mocia (A912 SA)
- h mag
- 9.31
- inclination
- 20.29
- mean motion deg day
- 0.1575
- moid au
- 2.2
- name
- Mocia
- named
- yes
- orbit class
- OMB
- perihelion au
- 3.196
- rotation period h
- 11.374
- semi major au
- 3.396
- spec taxonomy
- CF
- spect
- CF
How to see it
Like any astronomical target, Mocia 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 Mocia is a rare asteroid
Mocia scores 34 points on Spacedle's rarity scale, which places it in the rare tier. Another 16 points would lift it into a rarer tier.
That score comes from 6 science badges — Asteroid, Notably bright (low H), Has a proper name, Main-belt asteroid, Darker than charcoal and Carbonaceous — as old as the solar system — 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.