1991TT
Last update: 2021-09-17 23:50 UTC
Orbital Properties
Epoch
59400.0
MJD
Orbit type
Apollo
Perihelion (q)
1.002
au
Aphelion (Q)
1.386
au
Eccentricity (e)
0.161
-
Inclination (i)
14.8
deg
Orbit period (P)
476.4
days
Earth MOID
0.03017
au
Next Earth close approach
Date
2021-10-05
Nominal distance (from Earth center)
0.04644
au
6947124
km
Maximum Brightness
21.3
-
Orbit Visualiser
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Risk
Object is not in risk list
Object is not in priority list
Physical Properties
Absolute Magnitude (H)
26.1
-
Diameter
22*
*Estimated from the absolute magnitude using
m
Taxonomic type
-
Rotation period (T)
-
h
Discovery Information
Discovery Date
1991-10-06
Observatory
Steward Observatory, Kitt Peak-Spacewatch
External links