SW_SP3xCOM_2_

Precise reduced-dynamic orbit solutions

Thematic areas: Ephemeris

Applicable missions: Swarm

Applicable spacecraft: Swarm-A, Swarm-B, Swarm-C

Description

The SP3xCOM_2_ product contains the time series of dynamic position and velocity of the center of mass of each satellite with respect to the International Terrestrial Reference Frame (ITRF) Earth-fixed frame.

Quality report will be provided as separate Level 2 product (SP3xVAL)

Data access

Files:
- https://swarm-diss.eo.esa.int/#swarm/Level2daily/Latest_baselines/POD/RD
- ftp://swarm-diss.eo.esa.int/Level2daily/Latest_baselines/POD/RD

FAST processing

N/A

Preview image

(delivered separately)

File contents

N/A

More details

Product identifier	SP3xCOM_2_
Definition	Time series of dynamic position and velocity of the center of mass of each satellite in the ITRF (Earth-fixed) frame
Input Data	GPSA_RO_1B, GPSB_RO_1B, GPSC_RO_1B, STRAATT_1B, STRBATT_1B, STRCATT_1B, MODA_SC_1B, MODB_SC_1B, MODC_SC_1B, SC_xDYN_1B, External data from IGS, IERS, CODE
Input Time Span	30 hr (daily batches with overlap)
Spatial representation	N/A
Time representation	GPS time (seconds – s), time step = 10 s
Units	km for position, dm/s for velocity
Resolution	1 ps for time, mm for position, 0.1 μm/s for velocity
Uncertainty	few cm 3D for position
Quality indicator	Validation report SP3xVAL_2_
Data volume	< 2 Megabyte (MB) per satellite per day
Data format	SP3c
Output Data	SP3c file
Output time span	24 hr
Update rate	Daily
Latency	21 days
Notes	Central 24 hr of input time span will be selected for SP3 product Quality report will be provided as separate Level 2 product

Related resources

Level 2 Product Description:

Product specification for L2 Products and Auxiliary

SP3 format Description

The Extended Standard Product 3 Orbit Format (SP3-c) by Steve Hilla, National Geodetic Survey, NOAA, USA, Dated: 2010-08-17

Changelog

N/A