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Common neo 19 EP

(256412) 2007 BT2

Position computed live · sbdb

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Live ephemeris

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Score breakdown

· 4 badges
19 pts · Common
Common 22 pts → Uncommon
  • Darker than charcoal +10
  • Near-Earth object +5
  • Amor: shadows Earth's orbit from outside +4
  • Catalogue designation only +0
Total score 19

3 more points to reach Uncommon.

Badges

  • Near-Earth object · +5
  • Catalogue designation only
  • Amor: shadows Earth's orbit from outside · +4
  • Darker than charcoal · +10

Trivia

What it actually is

  • Its orbit family. An Amor-class object. It approaches Earth's orbit from outside without ever crossing it — named for the asteroid Amor, which swept past at 16 million km in 1932.
  • Closest approach. At its nearest it comes within 1.27 AU of the Sun — inside the orbit of Mars.
  • One lap. A single orbit around the Sun takes it about 2.1 years.
  • How far it roams. Its orbit swings between 1.27 and 2 AU from the Sun.

Sense of scale

  • Sense of scale. In everyday terms it is roughly 0.5× the height of Mount Everest.

By the numbers

  • Size. Roughly 4.4 km across.

What's in a name

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

Properties

albedo
0.014
aphelion au
2
designation
256412
diameter km
4.444
eccentricity
0.2238
full name
256412 (2007 BT2)
h mag
16.93
inclination
26.86
mean motion deg day
0.4725
moid au
0.291
name
(256412) 2007 BT2
number only
yes
orbit class
AMO
perihelion au
1.267
rotation period h
20
semi major au
1.632

About (256412) 2007 BT2

(256412) 2007 BT2 is a common neo. It swings within 1.267 AU of the Sun at perihelion.

An Amor-class object. It approaches Earth's orbit from outside without ever crossing it — named for the asteroid Amor, which swept past at 16 million km in 1932.

How to see it

Like any astronomical target, (256412) 2007 BT2 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 (256412) 2007 BT2 is a common neo

(256412) 2007 BT2 scores 19 points on Spacedle's rarity scale, which places it in the common tier. Another 3 points would lift it into a rarer tier.

That score comes from 4 science badges — Near-Earth object, Catalogue designation only, Amor: shadows Earth's orbit from outside and Darker than charcoal — 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.