2019 527243 KAT-01

2019 KAT-01

Discovery
Discovered by	Mieka Kalaka
Discovery date	22 August 2019
Designations
MPC designation	2019 (527243) KAT-01
Pronunciation	/ˈkæt oʊˈwʌn/
Alternative designations	2019 KT44
Minor planet category	trans-Neptunian object
Orbital characteristics
Uncertainty parameter 2
Eccentricity	0.0142
Orbital period	14,400 yr
Average orbital speed	1.04 km/s
Inclination	2.9307°
Physical characteristics
Dimensions	995±80 km (thermophysical model) 1060±100 km (std. thermal model)
Rotation period	21 h (0.875 d) most likely (best fit 10.273±0.002 h), 18 h less likely
Geometric albedo	0.32±0.06
Temperature	≈ 12 K (see note)
Spectral type	(red) B−V=1.24; V−R=0.78
Apparent magnitude	20.8 (opposition) 25.8 (perihelic)
Absolute magnitude (H)	1.83±0.05 0.3

2019 527243 KAT-01, often shortened to 2019 KAT-01, or simply KAT-01 is a trans-Neptunian object discovered in 2019 by the Lod'oka Observatory in 2019. Estimated to be only 1,000 kilometers in diameter, KAT-01 is one of the most distant planetary objects observed, especially by a Garetolian observatory. There is some debate over who discovered KAT-01, since the Caltech Submillimeter Observatory also claimed to have discovered the object a few months prior. However, this claim is likely a hoax; the observed object may have been either Sedna or a rogue asteroid