2021 DR15

Wait actually it's 22.8 according to the source

← Previous revision Revision as of 09:27, 12 April 2026 Line 39: Line 39: | albedo = 0.124 ?<ref>{{Cite web |title=List of known trans-Neptunian objects |url=https://www.johnstonsarchive.net/astro/tnoslist.html |access-date=2026-01-14 |website=www.johnstonsarchive.net}}</ref>{{efn|''Johnston's archive'' usually estimates an albedo of 0.124 for scattered disc objects like {{mp|2021 DR|15}}}} | albedo = 0.124 ?<ref>{{Cite web |title=List of known trans-Neptunian objects |url=https://www.johnstonsarchive.net/astro/tnoslist.html |access-date=2026-01-14 |website=www.johnstonsarchive.net}}</ref>{{efn|''Johnston's archive'' usually estimates an albedo of 0.124 for scattered disc objects like {{mp|2021 DR|15}}}} | spectral_type = | spectral_type = | magnitude = 23.2<ref name="MPEC-2021-Y28"/> | magnitude = 22.8 {{small|(at the time of its discovery)}}<ref name="MPEC-2021-Y28"/> | abs_magnitude = {{val|3.61|0.15}}<ref name="jpldata"/> | abs_magnitude = {{val|3.61|0.15}}<ref name="jpldata"/> }} }} Line 61: Line 61: === Observations === === Observations ===

It was 89.4 [[astronomical units]] (AU) from the Sun when it was discovered, making it the [[List of Solar System objects most distant from the Sun|ninth-most distant known Solar System object from the Sun]] {{as of|December 2021|lc=y}}.<ref name="MPC-CEN-SDO-list"/> At the time of its discovery, {{mp|2021 DR|15}} had an apparent magnitude of 23.2 in the R-band.<ref name="MPEC-2021-Y28"/> It was 89.4 [[astronomical units]] (AU) from the Sun when it was discovered, making it the [[List of Solar System objects most distant from the Sun|ninth-most distant known Solar System object from the Sun]] {{as of|December 2021|lc=y}}.<ref name="MPC-CEN-SDO-list"/> At the time of its discovery, {{mp|2021 DR|15}} had an apparent magnitude of 22.8 in the R-band.<ref name="MPEC-2021-Y28"/>

=== Naming and Numbering === === Naming and Numbering ===