Version:2.6.1
NumericalData
ResourceID
spase://NASA/NumericalData/ELFIN/B/Ephemeris/PRED/PT1S
ResourceHeader
ResourceName
ELFIN-B Predicted Ephemeris Data
ReleaseDate
2024-06-28 12:34:56.789
Description
The Electron Losses and Fields Investigation (ELFIN) mission is a space weather mission using three scientific instruments in a 3U+ CubeSat. The instruments measure wave and particle data. These ELFIN-B state files contain predicted position, attitude and orbit events.
Acknowledgement
Please acknowledge the Principal Investigator, V. Angelopoulos, NASA, and NSF for providing the Data. Open Data for Scientific Use.
PublicationInfo
Authors
Angelopoulos, V., Russell, C., Wu, J., Wilkins, C., Caron, R., Tsai, E., King, J., and Norris, A.
PublicationDate
2024-06-19 12:34:56.789Z
PublishedBy
NASA Space Physics Data Facility
Funding
Agency
NASA
Project
ELFIN funding
AwardNumber
NNX14AN68G
Funding
Agency
NSF
Project
ELFIN funding
AwardNumber
AGS-1242918
Funding
Agency
NSF
Project
ELFIN funding
AwardNumber
AGS-2019950
Contacts
InformationURL
Name
Electron Losses and Fields INvestigation-A state file
URL
Description
Electron Losses and Fields INvestigation-A twin satellite mission University of California, Los Angeles homepage.
Language
en
AccessInformation
RepositoryID
Availability
Online
AccessRights
Open
AccessURL
Name
FTPS from SPDF (not with most browsers)
URL
Description
Access to Data in CDF Format via ftps from SPDF
AccessURL
Name
HTTPS from SPDF
URL
Description
Access to Data in CDF Format via https from SPDF
AccessURL
Name
CDAWeb
URL
ProductKey
ELB_l1_STATE_PRED
Description
Access to ASCII, CDF, and Plots via NASA/GSFC CDAWeb
Format
CDF
Encoding
None
Acknowledgement
Please acknowledge the Principal Investigator, V. Angelopoulos, NASA, and NSF. Please acknowledge the Data Providers and CDAWeb when using these Data.
AccessInformation
RepositoryID
Availability
Online
AccessRights
Open
AccessURL
Name
CDAWeb Programmatic Data Access
URL
Style
WebService
ProductKey
ELB_l1_STATE_PRED
Description
Access to this data from common programming environments. Note: this AccessInformation element was added by HDPWS.
Format
Binary
Acknowledgement
Please acknowledge the Principal Investigator, V. Angelopoulos, NASA, and NSF. Please acknowledge the Data Providers and CDAWeb when using these Data.
ProcessingLevel
Calibrated
InstrumentIDs
MeasurementType
InstrumentStatus
TemporalDescription
TimeSpan
StartDate
2018-09-17 00:00:00.000
StopDate
2023-01-01 23:59:59.999
Cadence
PT1S
ObservedRegion
Earth.Magnetosphere
ObservedRegion
Earth.Magnetosphere.Polar
ObservedRegion
Earth.NearSurface
ObservedRegion
Earth.NearSurface.AuroralRegion
ObservedRegion
Earth.NearSurface.Atmosphere
ObservedRegion
Earth.NearSurface.Ionosphere
ObservedRegion
Earth.NearSurface.PolarCap
Parameter #1
Name
Time since Jan 1, 2000
ParameterKey
elb_state_time
Description
Coordinated universal time (UTC) in seconds.
Caveats
Unleaped seconds
Cadence
PT1S
Units
s
RenderingHints
AxisLabel
elb_state_time
ValueFormat
E12.2
ScaleType
LinearScale
ValidMin
2010-01-01T00:00:00.000000000
ValidMax
2029-12-31T23:59:58.999000000
FillValue
9999-12-31T23:59:59.999999999
Support
Parameter #2
Name
Position XYZ
Set
Time series defined by using: elb_state_time
ParameterKey
elb_pos_gei
Description
Spacecraft Position XYZ in GEI-J2000
Cadence
PT1S
Units
km
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
GEI
Support
Qualifier
Vector
SupportQuantity
Positional
Parameter #3
Name
Velocity
Set
Time series defined by using: elb_state_time
ParameterKey
elb_vel_gei
Description
Spacecraft Velocity Vxyz
Cadence
PT1S
Units
km/s
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
GEI
Support
Qualifier
Vector
SupportQuantity
Velocity
Parameter #4
Name
Time since Jan 1, 2000
ParameterKey
elb_att_time
Description
Attitude time, UTC, in seconds.
Caveats
Unleaped seconds
Cadence
PT60S
Units
s
RenderingHints
AxisLabel
elb_att_time
ValueFormat
E12.2
ScaleType
LinearScale
ValidMin
2010-01-01T00:00:00.000000000
ValidMax
2029-12-31T23:59:58.999000000
FillValue
9999-12-31T23:59:59.999999999
Support
Parameter #5
Name
Attitude XYZ
Set
Time series defined by using: elb_att_time
ParameterKey
elb_att_gei
Description
Spacecraft Attitude XYZ
Cadence
PT60S
Units
km
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
GEI
Support
Qualifier
Vector
SupportQuantity
Positional
Parameter #6
Name
Time since Jan 1, 2000
Set
Time series defined by using: elb_att_time
ParameterKey
elb_att_solution_date
Description
Date of attitude solution, UTC, in seconds
Cadence
PT60S
Units
s
RenderingHints
AxisLabel
att_solution_date
ValueFormat
E12.2
ValidMin
2010-01-01T00:00:00.000000000
ValidMax
2029-12-31T23:59:58.999000000
FillValue
9999-12-31T23:59:59.999999999
Support
Parameter #7
Name
elb_att_uncertainty
Set
Time series defined by using: elb_att_time
ParameterKey
elb_att_uncertainty
Description
Uncertainty of att
Cadence
PT60S
Units
°
RenderingHints
AxisLabel
att_uncertainty
ValueFormat
F12.8
ValidMin
0.0
ValidMax
360.0
FillValue
NaN
Support
SupportQuantity
Housekeeping
Parameter #8
Name
Attitude Flag
Set
Time series defined by using: elb_att_time
ParameterKey
elb_att_flag
Description
Flag indicating if the attitude is interpolated=0, modeled=1.
Cadence
PT60S
RenderingHints
AxisLabel
attitude flag
ValueFormat
i1
ValidMin
0
ValidMax
1
FillValue
-1
Support
SupportQuantity
Housekeeping
Parameter #9
Name
Calculated Spin Period
Set
Time series defined by using: elb_att_time
ParameterKey
elb_att_spinper
Description
Calculated spin period.
Cadence
PT60S
Units
sec
RenderingHints
AxisLabel
spinper
ValueFormat
F12.8
ValidMin
0
ValidMax
40
FillValue
-128
Support
SupportQuantity
Housekeeping
Parameter #10
Name
elb_spin_orbnorm_angle
Set
Time series defined by using: elb_att_time
ParameterKey
elb_spin_orbnorm_angle
Description
Angle between spin vector and orbit normal.
Cadence
PT160S
Units
°
RenderingHints
AxisLabel
spin_orbnorm_angle
ValueFormat
F12.8
ValidMin
0.0
ValidMax
360.0
FillValue
NaN
Support
SupportQuantity
Orientation
Parameter #11
Name
elb_spin_sun_angle
Set
Time series defined by using: elb_att_time
ParameterKey
elb_spin_sun_angle
Description
Angle between spin vector and sun.
Cadence
PT60S
Units
°
RenderingHints
AxisLabel
spin_sun_angle
ValueFormat
F12.8
ValidMin
0.0
ValidMax
360.0
FillValue
NaN
Support
SupportQuantity
Orientation
Parameter #12
Name
ELFIN B Sun Flag
Set
Time series defined by using: elb_state_time
ParameterKey
elb_sun
Description
ELFIN B sun flag. Spacecraft in sun = 1.
Cadence
PT1S
RenderingHints
AxisLabel
spacecraft in sun
ValueFormat
I1
ValidMin
0.0
ValidMax
1.0
FillValue
NaN
Support
SupportQuantity
Housekeeping