Occultation by 2002TC302 (2018-01-28)


Occultation map

prediction map

Download map

Information about the map:

Occultation circumstances

Date Sun. 28 Jan. 2018 21:55:50
Star position (ICRF) 02 21 49.4349 +28 24 13.301
C/A 0.159 arcsec
P/A 49.65 °
velocity 4.77 km/s
Geocentric distance Δ 44.4770 au
G mag* 14.0
J mag* 12.5
Magnitude drop 4.9
Uncertainty in time 148.0 sec
Uncertainty in C/A 26.7 mas
Uncertainty in projected distance 860.4 km
Probability of occultation on centrality 26.6%
Maximum duration 122.4 sec
Moon distance to the object 51.6°
Fraction of illuminated Moon 89.8 %
Solar elongation 94.0°

Occulted star

Star source ID 130957813463146112
Stellar catalogue GAIADR1
Star astrometric position in catalogue (ICRF) 02 21 49.4255 +28 24 13.334
Star astrometric position with proper motion (ICRF) 02 21 49.4349 +28 24 13.301
Star apparent position (date) 02 22 52.0605 +28 29 05.491
Proper motion μRA* = (40.3 ± 4.3)mas; μDEC = (-10.7 ± 4.3) mas
Source of proper motion UCAC5
Uncertainty in the star position RA* = 13.2 mas; DEC= 13.2 mas
G magnitude 15.6
J magnitude (2MASS) 14.1

Objet

Object (84522) 2002TC302
Diameter 584.0 km
Apparent diameter 18.1 mas
Object astrometric position (ICRF) 02 21 49.4440 +28 24 13.404
Object apparent position (date) 02 22 52.0696 +28 29 05.593
Uncertainty in position RA* = 21.2mas DEC = 21.5mas
Apparent magnitude 20.5
Ephemeris NIMAv10
Dynamic class(1) res 2:5
Semi major axis(1) 55.0 au
Eccentricity(1) 0.292
Inclination(1) 35.1°
Perihelion(1) 39.0 au
Aphelion(1) 71.1 au
(1) Data from the johnston archive list.

Sky map (Aladin)

link to sky-map

Previous updates