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Envisat DORIS Precise Orbit [DOR_VOR_AX]

Data

14 Dec 2020

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blue arrow DESCRIPTION

This product was generated by the Centre de Traitement Doris Poseidon (CTDP).

It is used to obtain the satellite orbital parameters (lat, long, height and height rate) by using orbit computation routines.

The latest Envisat Precise Orbits products are available in GDR-E version (POE or DOR_VOR_AX_e) which is the one recommended to use. Also the previous GDR-D version (DOR_VOR_AX_d) is still available to users.

The most significant changes relative to the GDR-E standards concern the new ocean tide model (FES2012) and the updated gravity field (a new mean model from CNES/GRGS spanning 12 years of GRACE data including the drifts terms). The new standards significantly improve all POD metrics and, most important, the consistency of Envisat Altimeter Sea Surface Height (SSH) with that of Jason-1 and Jason-2 Altimeter missions. The file size is 0.2 Mbytes per orbit.

See further details in the readme file for Envisat DORIS Precise Orbit Determination files.

blue arrow DETAILS

blue arrow DATA SET SPECIFICATIONS

Spatial coverage: 

90 N, -90 S, -180 W, 180 E

Temporal coverage:

2002-04-09 - 2012-04-08

Date of launch:
2002-03-01
Operators:
ESA
Mission status:
completed
Orbit height:
800 km
Orbit type:
Sun-synchronous
Swath width:
5 - 1150 km

blue arrow PROCESSING LEVEL

level 1,

blue arrow HOW TO ACCESS THIS DATA

Full mission archive available online via FTP upon registration

See DORIS products availability table

For further information about the EO Sign In Service you can visit TellUs

Should you need support please contact EOHelp

blue arrow APPLICABLE TERMS & CONDITIONS

Utilisation of this data is subject to ESA's Earth Observation Terms and Conditions

READ T&C

blue arrow RESOURCES

DORIS Products Specifications
Product Specifications
Envisat DORIS Sensor Performance, Products and Algorithms
Product Information
DOR_VOR_AX File Structure
Product Specifications
More DORIS Documents
Product Specifications
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