RE: Nozomi-Swingby

McConahy, Ralph (RMcConahy@jbar.gdscc.nasa.gov)
Fri, 4 Dec 1998 16:27:01 -0800 

The table below represents predicted positions of Planet-B. Use a 3-day
curve fit to interpret points between the data points. Divide RA by 15
to get hours. This will not help all interested parties, but with a
little number crunching it will yield accurate pointing angles for any
given time.


Spacecraft 178  PLAN

  DATE    TIME         RA          DEC         RANGE   
 YY DOY HH MM SS    degrees      degrees        AU     
-------------------------------------------------------
 98 337 00:00:00    283.761       -3.033       0.008   
 98 338 00:00:00    283.204       -3.358       0.008   
 98 339 00:00:00    282.583       -3.722       0.008   
 98 340 00:00:00    281.893       -4.130       0.007   
 98 341 00:00:00    281.130       -4.586       0.007   
 98 342 00:00:00    280.290       -5.096       0.007   
 98 343 00:00:00    279.362       -5.668       0.007   
 98 344 00:00:00    278.334       -6.311       0.006   
 98 345 00:00:00    277.188       -7.037       0.006   
 98 346 00:00:00    275.899       -7.862       0.006   
 98 347 00:00:00    274.429       -8.809       0.005   
 98 348 00:00:00    272.722       -9.910       0.005   
 98 349 00:00:00    270.690      -11.215       0.004   
 98 350 00:00:00    268.185      -12.801       0.004   
 98 351 00:00:00    264.931      -14.799       0.004   
 98 352 00:00:00    260.289      -17.464       0.003   
 98 353 00:00:00    259.154      -20.125       0.002   
 98 354 00:00:00    267.359      -27.433       0.001   
 98 355 00:00:00    228.210       13.739       0.001   
 98 356 00:00:00    232.356        9.234       0.002   
 98 357 00:00:00    233.878        7.530       0.003   
 98 358 00:00:00    234.731        6.555       0.004
------------------------------------------------------------------


> -----Original Message-----
> From:	Tony Beresford [SMTP:starman@camtech.net.au]
> Sent:	Friday, December 04, 1998 4:42 PM
> To:	Schwarze97@aol.com; SeeSat-L@blackadder.lmsal.com
> Subject:	Re: Nozomi-Swingby
> 
> At 17:24 4/12/98 EST, Schwarze97@aol.com wrote:
> >Christian Schwarze
> >
> >Bad Oeynhausen, Germany
> >
> >
> Christian, one needs a state vector or an orbit( same thing
> mathematically),
> in other words more information.The ISAS page doesnt seem to have one,
> and Nozomi
> is not on the spacecraft list of JPL's HORIZON
> system ( Deep Space 1, Cassini & NEAR are all they have)
> Tony Beresford
> PS the pacecraft's international designation is 1998 041 A