Geocentric Asteroid Iris Ephemeris Statistics
Referred to True Ecliptic and Equinox of Date - UT Time Scale

For Current Date   =  2018 Feb 21 - Wed
Time UT            =  20:45:18 UT
Applied Delta T    = +00:01:11
Astronomical JD TT =  2458171.36561343

Apparent Geocentric Position and True Distance:
Right Ascension     =  03h 32m 04.01s = 3.5344485h = 53.0167275°
Declination         = +18° 27' 22.02" = +18.456117°
True Distance       =  1.789854532 AU = 267.758427 Mkm = 166.377373 Mmi
Horizontal Parallax =  4.913" = 0.08189' = 0.001364815°
Visual Magnitude    = +9.5
Light/Signal Time   =  14m 53.15s
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Geocentric Asteroid Iris Ephemeris Statistics
Referred to True Ecliptic and Equinox of Date - TT Time Scale

For Current Date   = 2018 Feb 21 - Wed
Time TT            = 20:45:18 TT
Astronomical JD TT = 2458171.36479167

Apparent Geocentric Position and True Distance:
Right Ascension     =  03h 32m 03.92s = 3.5344218h = 53.0163270°
Declination         = +18° 27' 21.80" = +18.456055°
True Distance       =  1.789844741 AU = 267.756962 Mkm = 166.376463 Mmi
Horizontal Parallax =  4.913" = 0.08189' = 0.001364822°
Visual Magnitude    = +9.5
Light/Signal Time   =  14m 53.14s

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Asteroid Iris ephemeris table for each date of Feb. 2018 at 12:00 TT

Computed according to the USNO AE98 model
There are three extra (xx) days at each end of the table.


JD12_TT    RA_Hr    Decl_Deg     Dist_AU    VMag   Day
2458148  2.8269407 +16.733456  1.515926667 +9.1    xx
2458149  2.8547760 +16.801194  1.527374467 +9.1    xx
2458150  2.8828575 +16.869889  1.538853582 +9.2    xx
2458151  2.9111801 +16.939470  1.550363264 +9.2     1
2458152  2.9397393 +17.009871  1.561902784 +9.2     2
2458153  2.9685312 +17.081030  1.573471379 +9.2     3
2458154  2.9975524 +17.152887  1.585068233 +9.2     4
2458155  3.0267996 +17.225386  1.596692454 +9.2     5
2458156  3.0562696 +17.298474  1.608343083 +9.3     6
2458157  3.0859587 +17.372094  1.620019096 +9.3     7
2458158  3.1158636 +17.446193  1.631719423 +9.3     8
2458159  3.1459806 +17.520716  1.643442950 +9.3     9
2458160  3.1763061 +17.595611  1.655188532 +9.3    10
2458161  3.2068362 +17.670822  1.666954999 +9.3    11
2458162  3.2375673 +17.746295  1.678741157 +9.4    12
2458163  3.2684955 +17.821977  1.690545791 +9.4    13
2458164  3.2996171 +17.897814  1.702367668 +9.4    14
2458165  3.3309283 +17.973753  1.714205539 +9.4    15
2458166  3.3624254 +18.049739  1.726058150 +9.4    16
2458167  3.3941047 +18.125722  1.737924242 +9.4    17
2458168  3.4259626 +18.201648  1.749802569 +9.5    18
2458169  3.4579955 +18.277468  1.761691906 +9.5    19
2458170  3.4901998 +18.353131  1.773591064 +9.5    20
2458171  3.5225718 +18.428589  1.785498909 +9.5    21
2458172  3.5551076 +18.503793  1.797414368 +9.5    22
2458173  3.5878032 +18.578696  1.809336453 +9.5    23
2458174  3.6206544 +18.653251  1.821264266 +9.5    24
2458175  3.6536569 +18.727409  1.833197012 +9.6    25
2458176  3.6868062 +18.801123  1.845134006 +9.6    26
2458177  3.7200981 +18.874343  1.857074662 +9.6    27
2458178  3.7535286 +18.947023  1.869018483 +9.6    28
2458179  3.7870944 +19.019114  1.880965022 +9.6    xx
2458180  3.8207927 +19.090573  1.892913856 +9.6    xx
2458181  3.8546212 +19.161360  1.904864537 +9.6    xx
JD12_TT    RA_Hr    Decl_Deg     Dist_AU    VMag   Day
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PHP Program by Jay Tanner - 2018