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Uncommon kbo 25 EP

(444745) 2007 JF43

Position computed live · sbdb

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Live ephemeris

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Score breakdown

· 4 badges
25 pts · Uncommon
Uncommon 34 pts → Rare
  • Trans-Neptunian object +12
  • Notably bright (low H) +8
  • Kuiper-belt object +5
  • Catalogue designation only +0
Total score 25

9 more points to reach Rare.

Badges

  • Kuiper-belt object · +5
  • Notably bright (low H) · +8
  • Catalogue designation only
  • Trans-Neptunian object · +12

Trivia

What it actually is

  • Its orbit family. A trans-Neptunian object from the Kuiper Belt, out where the Sun is little more than the brightest star in a very dark sky.
  • One lap. A single orbit around the Sun takes it about 245 years.
  • How far it roams. Its orbit swings between 32.09 and 46.29 AU from the Sun.

Sense of scale

  • Sense of scale. In everyday terms it is about 13.7× the length of Manhattan island.
  • Walk around it. Walking its equator at a steady pace, eight hours a day, would take about 23.2 days.

By the numbers

  • Estimated size. Nobody has measured its size directly. Assuming it reflects light like a typical asteroid, its brightness implies something roughly 295 km across.

What's in a name

  • Designation. Known only by its catalogue designation — no name yet.

Properties

aphelion au
46.3
designation
444745
eccentricity
0.1812
full name
444745 (2007 JF43)
h mag
5.4
inclination
15.09
mean motion deg day
0.004
moid au
31.1
name
(444745) 2007 JF43
number only
yes
orbit class
TNO
perihelion au
32.093
rotation period h
9.52
semi major au
39.19

About (444745) 2007 JF43

(444745) 2007 JF43 is an uncommon kbo. It swings within 32.093 AU of the Sun at perihelion.

A trans-Neptunian object from the Kuiper Belt, out where the Sun is little more than the brightest star in a very dark sky.

How to see it

Like any astronomical target, (444745) 2007 JF43 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 (444745) 2007 JF43 is an uncommon kbo

(444745) 2007 JF43 scores 25 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 9 points would lift it into a rarer tier.

That score comes from 4 science badges — Kuiper-belt object, Notably bright (low H), Catalogue designation only and Trans-Neptunian object — 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.