Gap analyses by variable or by type of mission

Please select either a variable or a type of mission to display a time chart of satellite instruments having the potential to provide the corresponding measurements. The selection is based on design characteristics (Expert analysis) or declared mission objectives (Simplified analysis). Such a preliminary analysis does not replace a detailed assessment of the actual instrument performances, data availability, and quality of derived environmental data records against specific user requirements.

Note: The chart can be sorted by clicking on the header columns and filtered by instrument properties when applicable. Select the period of interest with the cursor at the bottom of the chart. Future missions which are not firmly planned are shaded with stripes. A warning icon (Important note) indicates degraded satellite: hover over the icon for details. The chart is followed by a table of all potentially relevant instruments.

Select a variable

or select a type of mission

Analysis
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In "Simplified" mode, the results in the analysis are calculated by looking at each instrument's mission objectives: for each instrument we keep track of what the primary, secondary, and opportunity mission objectives are. These mission objectives indicate that an instrument is primarily envisioned to measure variable X, Y and Z, that variables A, B and C are its secondary objective, and that it may offer the opportunity to measure variables I and II although it is not optimized for that. The simplified Gap analysis produces a timeline based on this information. The simplified Gap analysis is only available for analyzing variables, not for missions.
In "Expert system" mode, the results in the analysis are calculated with an expert system. Internally, OSCAR works with a large set of 1700 rules that determine whether or not an instrument is capable of measuring a given variable, and to what degree. When you select "Expert system", the Gap analysis is performed based on this large set of rules.
Measurement timeline for Ionospheric plasma density

Definition:

Total number of ionized particles in a volume unit of ionospheric plasma

Hint: Move around in the timeline by scrolling up, down, left or right.

Found 77 results

Instrument NRT? Relevance Satellite Orbit
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2027
EMFISIS1 - primaryVAP (2 sat)18 °
X
XXXXXX
WBD1 - primaryCLUSTER A&B
X
XXXXXXXXXXXXXXXXXX
WBD1 - primaryCLUSTER C&D
X
XXXXXXXXXXXXXXXXXX
PWI1 - primaryGEOTAIL29 °
X
XXXXXXXXXXXXXXXXXXXXXXXXXX
PWI (Polar)1 - primaryPolar86 °
X
XXXXXXXXXXX
X
NBK/21 - primaryIonosphere N1 & N2TBD
X
XXX
NBK/21 - primaryIonosphere N3 & N4TBDXXXX
NBK/21 - primaryZondTBDXXXX
SCM Important note2 - very highTHEMIS (5 sats)6 °
X
XXXXXXXXXXX
SCM2 - very highARTEMIS (2 sats)6 °
X
XXXXXXX
SCM (MMS)2 - very highMMS (4 sats)28 °
X
XXX
STAFF2 - very highCLUSTER A&B
X
XXXXXXXXXXXXXXXXXX
STAFF2 - very highCLUSTER C&D
X
XXXXXXXXXXXXXXXXXX
EFW (CLUSTER)3 - highCLUSTER A&B
X
XXXXXXXXXXXXXXXXXX
EFW (CLUSTER)3 - highCLUSTER C&D
X
XXXXXXXXXXXXXXXXXX
WHISPER3 - highCLUSTER A&B
X
XXXXXXXXXXXXXXXXXX
WHISPER3 - highCLUSTER C&D
X
XXXXXXXXXXXXXXXXXX
PWE3 - highERG31 °
X
XXX
Potential4 - fairSICH-210:50 desc
X
X
CERTO4 - fairC/NOFS13 °
X
XXXXXX
X
CINDI4 - fairC/NOFS13 °
X
XXXXXX
X
DIDM4 - fairCHAMP87 °
X
XXXXXXXXX
X
DIDM4 - fairC/NOFS13 °
X
XXXXXX
X
EFI (SWARM)4 - fairSWARM-C87.35 °
X
XXXXX
EFI (SWARM)4 - fairSWARM-B87.75 °
X
XXXXX
EFI (SWARM)4 - fairSWARM-A87.35 °
X
XXXXX
EFW (VAP)4 - fairVAP (2 sat)18 °
X
XXXXXX
IVM4 - fairICON27 °
X
XXXXX
PLP4 - fairC/NOFS13 °
X
XXXXXX
X
RPI4 - fairIMAGE90 °
X
XXXX
X
VEFI4 - fairC/NOFS13 °
X
XXXXXX
X
VIDI4 - fairCOSMIC-2a24 °
X
XXXXXXX
DSLP4 - fairPROBA-2 Important note06:00 asc
X
XXXXXXXXX
LP4 - fairTIROS-758.2 °
X
XXXX
X
LP4 - fairSTSat-2C80 °
X
X
SEM/SSI/ES-24 - fairDMSP-F0210:00 desc
X
X
SEM/SSI/ES-24 - fairDMSP-F0410:00 desc
X
X
SEM/SSI/ES-24 - fairDMSP-F0506:20 
X
SEM/SSI/ES-24 - fairDMSP-F0606:20 desc
X
XXXXXXXXXXXXXX
X
SEM/SSI/ES-24 - fairDMSP-F0710:10 desc
X
XXXX
X
SEM/SSI/ES-24 - fairDMSP-F0806:10 desc
X
XXXXXXXXXXXXXXXXXX
X
SEM/SSI/ES-24 - fairDMSP-F0909:30 desc
X
XXXXX
X
SEM/SSI/ES-24 - fairDMSP-F1007:30 desc
X
XXXXXX
X
SEM/SSI/ES-24 - fairDMSP-F1105:00 desc
X
XXXXXXXX
X
SEM/SSI/ES-24 - fairDMSP-F1203:35 desc
X
XXXXXXXXXXXXX
X
SEM/SSI/ES-24 - fairDMSP-F1305:51 desc
X
XXXXXXXXXXXXXXXXXXX
X
SEM/SSI/ES-2 Important noteNo4 - fairDMSP-F1417:00 asc
X
XXXXXXXXXXXXXXXXXXXXX
SEM/SSI/ES-2No4 - fairDMSP-F1514:50 asc
X
XXXXXXXXXXXXXXXXXXX
SEM/SSM4 - fairDMSP-F0710:10 desc
X
XXXX
X
SEM/SSM4 - fairDMSP-F1203:35 desc
X
XXXXXXXXXXXXX
X
SEM/SSM4 - fairDMSP-F1305:51 desc
X
XXXXXXXXXXXXXXXXXXX
X
SEM/SSM Important noteNo4 - fairDMSP-F1417:00 asc
X
XXXXXXXXXXXXXXXXXXXXX
SESS/SSI/ES-3No4 - fairDMSP-F1615:50 asc
X
XXXXXXXXXXXXXXX
SESS/SSI/ES-3 Important noteNo4 - fairDMSP-F1706:20 desc
X
XXXXXXXXXXXX
SESS/SSI/ES-3No4 - fairDMSP-F1807:08 desc
X
XXXXXXXXX
SESS/SSI/ES-3No4 - fairDMSP-F1906:36 desc
X
X
X
SESS/SSM-BoomNo4 - fairDMSP-F1615:50 asc
X
XXXXXXXXXXXXXXX
SESS/SSM-BoomNo4 - fairDMSP-F1706:20 desc
X
XXXXXXXXXXXX
SESS/SSM-Boom Important noteNo4 - fairDMSP-F1807:08 desc
X
XXXXXXXXX
SESS/SSM-BoomNo4 - fairDMSP-F1906:36 desc
X
X
X
SESS/SSM-BoomNo4 - fairDMSP-F1514:50 asc
X
XXXXXXXXXXXXXXXXXXX
SPP-fields4 - fairSTSat-110:30 asc
X
X
X
SWATS4 - fairSTPSat-3 Important note40.5 °
X
XXXXX
TPMU4 - fairPROBA-2 Important note06:00 asc
X
XXXXXXXXX
SESS/SSULINo5 - marginalDMSP-F1615:50 asc
X
XXXXXXXXXXXXXXX
SESS/SSULI Important noteNo5 - marginalDMSP-F1706:20 desc
X
XXXXXXXXXXXX
SESS/SSULINo5 - marginalDMSP-F1807:08 desc
X
XXXXXXXXX
SESS/SSULINo5 - marginalDMSP-F1906:36 desc
X
X
X
FIMS5 - marginalSTSat-110:30 asc
X
X
X
FUV (ICON)5 - marginalICON27 °
X
XXXXX
GOLD5 - marginalSES-1447.5°W
X
XX
GUVI5 - marginalTIMED Important note74 °
X
XXXXXXXXXXXXXXXXX
SESS/SSUSI Important noteNo5 - marginalDMSP-F1615:50 asc
X
XXXXXXXXXXXXX
SESS/SSUSI Important noteNo5 - marginalDMSP-F1706:20 desc
X
XXXXXXXXXX
SESS/SSUSINo5 - marginalDMSP-F1807:08 desc
X
XXXXXXXXX
SESS/SSUSINo5 - marginalDMSP-F1906:36 desc
X
X
X
EUV (ICON)5 - marginalICON27 °
X
XXXXX
All instruments for measuring Ionospheric plasma density
Instruments Relevance Operational limitations
EMFISIS1 - primaryNo specific limitation..
WBD1 - primaryNo specific limitation..
PWI1 - primaryNo specific limitation..
PWI (Polar)1 - primaryNo specific limitation..
NBK/21 - primaryNo specific limitation..
SCM2 - very highNo specific limitation..
SCM (MMS)2 - very highNo specific limitation..
STAFF2 - very highNo specific limitation..
EFW (CLUSTER)3 - highNo specific limitation..
WHISPER3 - highNo specific limitation..
PWE3 - highNo specific limitation..
Potential4 - fairNo specific limitation..
CERTO4 - fairNo specific limitation..
CINDI4 - fairNo specific limitation..
DIDM4 - fairNo specific limitation..
EFI (SWARM)4 - fairNo specific limitation..
EFW (VAP)4 - fairNo specific limitation..
IVM4 - fairNo specific limitation..
PLP4 - fairNo specific limitation..
RPI4 - fairNo specific limitation..
VEFI4 - fairNo specific limitation..
VIDI4 - fairNo specific limitation..
DSLP4 - fairNo specific limitation..
LP4 - fairNo specific limitation..
SEM/SSI/ES-24 - fairNo specific limitation..
SEM/SSM4 - fairNo specific limitation..
SESS/SSI/ES-34 - fairNo specific limitation..
SESS/SSM-Boom4 - fairNo specific limitation..
SPP-fields4 - fairNo specific limitation..
SWATS4 - fairNo specific limitation..
TPMU4 - fairNo specific limitation..
SESS/SSULI5 - marginalNo specific limitation..
FIMS5 - marginalNo specific limitation..
FUV (ICON)5 - marginalNo specific limitation..
GOLD5 - marginalNo specific limitation..
GUVI5 - marginalNo specific limitation..
SESS/SSUSI5 - marginalNo specific limitation..
EUV (ICON)5 - marginalNo specific limitation..