Asteroid Davida Ephemeris Calculator
Based on the U.S. Naval Observatory Asteroid Ephemeris, 1998
Date: (1800 to 2099) Y m d
Local Time (00h to 24h) H:M:S
Local Time Zone Offset ±H:M
Undefined1
Std. Time = UT
Apply ΔT
+00:00:00
Daylight / Summer Time
Undefined3
Longitude ±Deg.d M S
(Neg=W)
Latitude ±Deg.d M S
(Neg=S)
Sea Level Elevation
(± meters)
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Asteroid Davida Ephemeris Statistics Referred to True Ecliptic and Equinox of the Date Based On the U.S.N.O. Asteroid Ephemeris, 1998 Local Date = 2017 Jun 22 - Thu Local Time = 23:34:15 Daylight/Summer Time Std. Time Zone Offset = -05:00:00 Applied Delta T = +00:00:00 Astronomical JD TT = 2457927.64878472 ================================================================================ Geocentric Equatorial Coordinates of Asteroid Davida Right Ascension = 19h 59m 53.32s = 19.9981445h = 299.9721675° Declination = -21° 43' 08.01" = -21.718891° True Distance = 2.733978084 AU = 408.997300 Mkm = 254.139140 Mmi Visual Magnitude = +11.7 Horizontal Parallax = 3.217" = 0.053610' = 0.000893504° Light/Signal Time = 22m 44.268s ================================================================================ Local Topocentric Coordinates of Asteroid Davida For Geographic Location: Longitude = -76.833611111° = -05h 07m 20.1s (W=Negative) Latitude = +42.752194444° Elevation = 0 m Topocentric RA = 19h 59m 53.45s = 19.9981815h = 299.9727229° Topocentric Decl = -21° 43' 10.57" = -21.719602° Local Hour Angle = -03h 26m 58.72s = -51.7446719665° (W=Negative) Local Sidereal Time = 16h 32m 54.732s = 16.548536731h = 248.228050966° Azimuth = 132.23129° (Measured clockwise from N=0°) = 312.23129° (Measured clockwise from S=0°) Direction = SE Altitude = +9.85551° (Above Local Horizon - No refractions applied) ================================================================================ Asteroid Davida ephemeris table for each day of Jun. 2014 at 12:00 TT. Computed according to USNO AE98 ephemeris model - No Delta T applied. There are three extra (xx) days at each end of the table. JD12_TT RA_Hr Decl_Deg Dist_AU VMag Day 2457903 20.1596904 -20.066964 2.981657987 +12.2 xx 2457904 20.1567744 -20.119883 2.969286740 +12.2 xx 2457905 20.1535374 -20.174134 2.957081929 +12.1 xx 2457906 20.1499804 -20.229702 2.945047692 +12.1 1 2457907 20.1461046 -20.286574 2.933188094 +12.1 2 2457908 20.1419114 -20.344735 2.921507143 +12.1 3 2457909 20.1374023 -20.404171 2.910008812 +12.1 4 2457910 20.1325788 -20.464866 2.898697045 +12.1 5 2457911 20.1274426 -20.526803 2.887575766 +12.0 6 2457912 20.1219955 -20.589965 2.876648888 +12.0 7 2457913 20.1162392 -20.654333 2.865920313 +12.0 8 2457914 20.1101756 -20.719889 2.855393938 +12.0 9 2457915 20.1038067 -20.786609 2.845073660 +12.0 10 2457916 20.0971345 -20.854472 2.834963379 +12.0 11 2457917 20.0901614 -20.923452 2.825067001 +11.9 12 2457918 20.0828900 -20.993522 2.815388441 +11.9 13 2457919 20.0753231 -21.064653 2.805931621 +11.9 14 2457920 20.0674638 -21.136813 2.796700476 +11.9 15 2457921 20.0593158 -21.209968 2.787698950 +11.9 16 2457922 20.0508830 -21.284082 2.778930999 +11.9 17 2457923 20.0421701 -21.359118 2.770400586 +11.8 18 2457924 20.0331820 -21.435036 2.762111677 +11.8 19 2457925 20.0239242 -21.511797 2.754068226 +11.8 20 2457926 20.0144027 -21.589361 2.746274149 +11.8 21 2457927 20.0046237 -21.667686 2.738733287 +11.8 22 2457928 19.9945936 -21.746734 2.731449352 +11.7 23 2457929 19.9843189 -21.826461 2.724425876 +11.7 24 2457930 19.9738064 -21.906823 2.717666160 +11.7 25 2457931 19.9630636 -21.987772 2.711173256 +11.7 26 2457932 19.9520983 -22.069257 2.704949959 +11.7 27 2457933 19.9409188 -22.151226 2.698998836 +11.6 28 2457934 19.9295340 -22.233628 2.693322248 +11.6 29 2457935 19.9179530 -22.316410 2.687922386 +11.6 30 2457936 19.9061850 -22.399521 2.682801291 +11.6 xx 2457937 19.8942393 -22.482910 2.677960872 +11.6 xx 2457938 19.8821254 -22.566527 2.673402913 +11.5 xx JD12_TT RA_Hr Decl_Deg Dist_AU VMag Day ================================================================================
Programmed in PHP by Jay Tanner - 2017 - v4.0
Revised 2015 Jun 12