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Old March 2nd 20, 03:12 PM posted to alt.astronomy
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Posts: 537
Default Interesting - Possible mini-moon called 2020 CD3.

On=20Wed=20Feb=2026=2014:23:07=202020=20a425couple =20=20wrote:
=20from
=20https://www.cnet.com/news/astronomers-say-earth-might-have-a-n=

ew-mini-moon/

=20(So,=20is=20this=20reporter,=20just=20doing=20 like,=20a=20Juni=

or=20High=20journalism
=20project,=20or=20has=20he=20found=20something=2 0past=20what=20w=

ikipedia=20knows=20about?
=20https://en.wikipedia.org/wiki/Claimed_moons_of_Earth


=20Astronomers=20say=20Earth=20might=20have=20a=2 0new=20mini-moon
=20An=20asteroid=20has=20apparently=20been=20caug ht=20in=20our=20=

planet's=20gravity.

=20Sean=20Keane
=20February=2026,=202020=207:08=20AM=20PST
=200
=20LISTEN
=20-=2001:12
=20gettyimages-615291986
=20Earth,=20as=20seen=20from=20the=20Moon=20in=20 1968,=20could=20=

have=20pulled=20a=20new=20mini-moon
=20into=20its=20gravity.

=20We=20could=20have=20a=20new=20space=20neighbor ,=20at=20least=

=20for=20a=20while.=20Astronomers=20at
=20the=20NASA-funded=20Catalina=20Sky=20Survey=20reckon=20they'v e=

=20spotted=20an=20asteroid
=20that's=20caught=20in=20Earth's=20gravity.

=20"Earth=20has=20a=20new=20temporarily=20capture d=20object/Possi=

ble=20mini-moon=20called
=202020=20CD3.=20On=20the=20night=20of=20Feb.=201 5,=20my=20Catali=

na=20Sky=20Survey=20teammate=20Teddy
=20Pruyne=20and=20I=20found=20a=2020th=20magnitud e=20object,"=20K=

acper=20Wierzchos=20tweeted
=20Tuesday.

=20Kacper=20Wierzchos
=20@WierzchosKacper
=20BIG=20NEWS=20(thread=201/3).=20Earth=20has=20a=20new=20tempora=

rily=20captured
=20object/Possible=20mini-moon=20called=202020=20CD3.=20On=20the=

=20night=20of=20Feb.=2015,=20my
=20Catalina=20Sky=20Survey=20teammate=20Teddy=20P ruyne=20and=20I=

=20found=20a=2020th=20magnitude
=20object.=20Here=20are=20the=20discovery=20image s.

=20Embedded=20video
=20891
=204:20=20PM=20-=20Feb=2025,=202020
=20Twitter=20Ads=20info=20and=20privacy
=20469=20people=20are=20talking=20about=20this
=20Wierzchos=20calculated=20that=20the=20asteroid =20is=20between=

=201.9=20and=203.5=20meters=20in
=20diameter.=20The=20Minor=20Planet=20Center=20ac knowledged=20the=

=20near-Earth=20object,
=20and=20it=20apparently=20entered=20Earth's=20or bit=20around=20t=

hree=20years=20ago.=20The
=20Catalina=20Sky=20Survey=20is=20based=20at=20th e=20University=

=20of=20Arizona's=20Lunar=20and
=20Planetary=20Lab=20in=20Tucson.

=20It's=20the=20second=20asteroid=20that's=20know n=20to=20have=20=

entered=20Earth's=20orbit.=20The
=20previous=20one,=202006=20RH120,=20was=20also=2 0discovered=20by=

=20the=20CSS=20and=20orbited
=20Earth=20for=2018=20months=20over=202006=20and= 202007,=20as=20n=

oted=20by=20science=20writer=20Corey
=20S.=20Powell.

=20The=20CSS=20didn't=20respond=20to=20a=20reques t=20for=20commen=

t.