| Parameter | Mand | Type | Default | Constraints |
| attsource | no | string | odf | odf|atthk |
|
Source of the attitude data. If this equals `odf', the environment variable SAS_ODF must be set to point to the appropriate ODF.
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| odfattsource | no | string | ahf | ahf|om |
|
Whether to use the Attitude History File or the OM pointing history file from the ODF. This parameter is read if attsource=`odf'.
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| timesource | no | string | user | user|eventlist |
|
If this = `user', the task reads parameters tstart, tstop and tstep, and constructs the sequence of attitude sample times from these numbers; if it = `eventlist', the event times from the event list supplied to parameter eventset are used.
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| tstart | yes | string | 0000-00-00T00:00:00 | |
|
Date-time string of the first time sample. This is read if timesource=`user'.
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| tstop | yes | string | 0000-00-00T00:00:00 | |
|
Date-time string of the last allowed time sample. This is read if timesource=`user'.
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| tstep | yes | real | 1.0 |  tstep |
|
Separation between successive time samples. This is read if timesource=`user'.
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| eventset | yes | dataset | ||
|
Name of the event-list dataset which supplies time samples from the event times. This is read if timesource=`eventlist'.
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| pntkwdset | yes | dataset | ||
|
Name of the dataset from which to read the spacecraft average pointing keywords (usually expected to be the output file of atthkgen). This parameter is read if attsource=`odf' and timesource=`eventlist'.
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| atthkset | yes | dataset | ||
|
The dataset (normally this would be expected to be the output files from task atthkgen) which contains samples of the spacecraft attitude. This is read if attsource=`atthk'.
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| atthkattsource | no | string | ahf | ahf|om |
|
Whether to use the Attitude History File data or the OM pointing history data from the atthkset file. This parameter is read if attsource=`atthk'.
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| binnedattset | no | dataset | binned_att.ds | |
|
The dataset which is to contain the binned attitude data.
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| maxdelta | no | real | 0.02 |  maxdelta |
|
A new attitude bin is started if the attitude jumps by more than this amount (in arcsec).
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| withmedianpnt | no | boolean | yes | |
|
Whether to use/calculate median or mean pointing for the *_PNT keywords (and, if attsource=`atthk', whether to access the mean or median atthk data).
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| Parameter | Mand | Type | Default | Constraints |