Occultation of PPM 146634 by 85 Io (USNO thru 12/9)
Star at RA: 3 31 1.445
DEC: 7 11 54.04
Occulting body ephemeris:
Coordinates of equinox 2000.0
Ephemeris Day/Time RA Dec Rho(AU)
1995 Dec 9 12: 0: 0.0 3 31 22.718 7 13 45.77 1.693788
1995 Dec 9 14:24: 0.0 3 31 18.642 7 13 24.99 1.694566
1995 Dec 9 16:48: 0.0 3 31 14.578 7 13 4.33 1.695347
1995 Dec 9 19:12: 0.0 3 31 10.527 7 12 43.78 1.696129
1995 Dec 9 21:36: 0.0 3 31 6.488 7 12 23.34 1.696915
1995 Dec 10 0: 0: 0.0 3 31 2.461 7 12 3.02 1.697703
1995 Dec 10 2:24: 0.0 3 30 58.447 7 11 42.81 1.698493
1995 Dec 10 4:48: 0.0 3 30 54.445 7 11 22.72 1.699285
1995 Dec 10 7:12: 0.0 3 30 50.456 7 11 2.74 1.700080
1995 Dec 10 9:36: 0.0 3 30 46.479 7 10 42.87 1.700878
1995 Dec 10 12: 0: 0.0 3 30 42.515 7 10 23.12 1.701678
1995 Dec 10 14:24: 0.0 3 30 38.564 7 10 3.49 1.702480
1995 Dec 10 16:48: 0.0 3 30 34.625 7 9 43.97 1.703284
1995 Dec 10 19:12: 0.0 3 30 30.699 7 9 24.56 1.704092
1995 Dec 10 21:36: 0.0 3 30 26.786 7 9 5.27 1.704901
Adopted ET/UT correction: 62.14 sec
The fit yields:
Radius: 89.0 +- 3.79 km
Correction to Dec: 1.418E-01 +- 6.434E-03 arcsec
Correction to RA : -1.609E-02 +- 2.509E-04 sec
Location Latitude Longitude Height Type Observed UT Day/Time Actual Fitted Residual Weight P/V
(M) Dist Dist Dist
Dempsey 43 56 13.80 5 16 18.25 160. I 1995 Dec 10 0:40:47.10 100.9 89.0 11.93 1.0 P
Dempsey 43 56 13.80 5 16 18.25 160. E 1995 Dec 10 0:41: 7.60 88.9 89.0 -0.01 1.0 P
Nason 44 1 27.00 5 18 27.44 225. I 1995 Dec 10 0:40:50.80 88.8 89.0 -0.16 1.0 P
Nason 44 1 27.00 5 18 27.44 225. E 1995 Dec 10 0:41: 9.70 86.4 89.0 -2.53 1.0 P
Stamm 32 25 13.44 7 23 51.48 842. I 1995 Dec 10 0:44:53.00 95.0 89.0 6.03 1.0 P
Stamm 32 25 13.44 7 23 51.48 842. I 1995 Dec 10 0:45: 1.70 80.7 89.0 -8.22 1.0 P
Sandy 38 38 45.60 6 18 48.00 324. I 1995 Dec 10 0:42:57.50 75.2 89.0 -13.76 1.0 P
Sandy 38 38 45.60 6 18 48.00 324. E 1995 Dec 10 0:43:15.90 95.7 89.0 6.71 1.0 P