Gives a list of times in different
formats.
| Name |
Dimension |
Type |
Description |
| Time |
DateFormat |
Real Number |
Time. |
| Epoch Seconds |
Unitless |
Text |
Time elapsed past the scenario epoch expressed as
seconds. |
| Epoch Minutes |
Unitless |
Text |
Time elapsed past the scenario epoch expressed as
minutes. |
| Epoch Hours |
Unitless |
Text |
Time elapsed past the scenario epoch expressed as
hours. |
| Epoch Days |
Unitless |
Text |
Time elapsed past the scenario epoch expressed as
days. |
| Epoch Years |
Unitless |
Text |
Time elapsed past the scenario epoch expressed as
years (365.25 days). |
| Gregorian LCL |
Unitless |
Text |
Local Coordinated Time. Displayed in Gregorian
format (1 Nov 2000 00:00:00.0000). Local time is as defined by the
computer clock. |
| Gregorian UTC |
Unitless |
Text |
Coordinated Universal Time. Displayed in Gregorian
format (1 Nov 2000 00:00:00.0000). |
| Gregorian TDT |
Unitless |
Text |
Terrestrial Dynamic Time (TDT), now replaced by
Terrestrial Time (TT). Displayed in Gregorian format (1 Jul 2005
12:01:04.184). TDT is equal to Atomic Time (TAI) plus 32.184
seconds. |
| Gregorian TAI |
Unitless |
Text |
International Atomic Time (TAI). Displayed in
Gregorian format (1 Jul 2005 12:00:32.000). Can be defined by: TAI
= TDT - 32.184 = UTC + (number of leap seconds). |
| Gregorian TDB |
Unitless |
Text |
Barycentric Dynamical Time (TDB). Displayed in
Gregorian format (1 Nov 2000 00:00:00.0000). Time scale associated
with the solar system barycenter in general relativity. TDB is
related to TDT by a periodic oscillation whose largest contribution
arises from the eccentricity of the Earth's orbit about the
Sun. |
| Julian LCL |
Unitless |
Text |
Local Coordinated Time. Displayed in day of year
format, with two digits representing the year (182/05 08:00:00.000)
(ddd/yy hh:mm:ss.sss). Local time is as defined by the computer
clock. |
| Julian UTC |
Unitless |
Text |
Coordinated Universal Time. Displayed in day of
year format, with two digits representing the year (182/05
12:00:00.000) (ddd/yy hh:mm:ss.sss). |
| Julian4 UTC |
Unitless |
Text |
Coordinated Universal Time. Displayed in day of
year format, with four digits representing the year (306/2000
00:00:00.0000). |
| Julian TAI |
Unitless |
Text |
International Atomic Time (TAI). Displayed in
Julian Date format (182/05 12:00:32.000). Can be defined by: TAI =
TDT - 32.184 = UTC + (number of leap seconds). |
| YYDDD.ddd |
Unitless |
Text |
Coordinated Universal Time. Displayed in SGP4 Epoch
date format (05182.50000000). |
| YYYYDDD.hhmmss |
Unitless |
Text |
Coordinated Universal Time. Displayed in
YYYYDDD.hhmmss format (2005182.120000). |
| YYYYMMDD.ddd |
Unitless |
Text |
Coordinated Universal Time. Displayed in
YYYYMMDD.ddd format (20050701.50000000) |
| DD/MM/YYYY Time |
Unitless |
Text |
Coordinated Universal Time. Displayed in the form
DD/MM/YYYY and time (i.e. 01/07/2005 12:00:00.000). |
| YYYY/MM/DD Time |
Unitless |
Text |
Coordinated Universal Time. Displayed in YYYY/MM/DD
format (2005/07/01 12:00:00.000) |
| YYYY:MM:DD:HH:MM:SS.sss
Time |
Unitless |
Text |
Coordinated Universal Time. Displayed in the
indicated format (2007:05:08:12:00:00.000). |
| Julian Date |
Unitless |
Text |
Coordinated Universal Time. Displayed in the Julian
Date format. The Julian Date is given as the number of days from
GMT Noon on 1 January, 4713 B.C. |
| Jul Date Offset |
Unitless |
Text |
Number of days elapsed past a user defined
epoch. |
| Modified
Julian Date |
Unitless |
Text |
Coordinated Universal Time. Julian date, shifted by
2400000.5 days (i.e. MJD = JD - 2400000.5). |
| Julian
Ephemeris Date |
Unitless |
Text |
Terrestrial Dynamic Time (TDT), now replaced by
Terrestrial Time (TT). Displayed in Julian Date format. TDT is
equal to Atomic Time (TAI) plus 32.184 seconds. |
| Gregorian GPS
Time |
Unitless |
Text |
GPS time. Displayed in Gregorian format. In STK,
GPS time is defined as UTC plus the number of leap seconds since 1
Jan 1980. |
| GPS Time |
Unitless |
Text |
GPS time. Displayed as the weeks:seconds from 1 Jan
1980 00:00:00.00 (i.e. 1329:475213.000). In STK, GPS time is
defined as UTC plus the number of leap seconds since 1 Jan
1980. |
| GPS Z Count |
Unitless |
Text |
Time elapsed since the GPS reference epoch (1 Jan
1980 00:00:00.00 UTC), measured in 1.5 second incremements. |
| Mission Elapsed |
Unitless |
Text |
Time elapsed past the scenario epoch. The format is
number of days / time (121/18:30:00.000). |
| GMT System |
Unitless |
Text |
Greenwich Mean Time (GMT) based on Coordinated
Universal Time. The format is number of days / number of seconds
and year (182/43200 2005). |
| Earth
Canonical Time |
Unitless |
Text |
Time elapsed past the scenario epoch. Earth
Canonical Time (ECT) is expressed in terms of ETC units where 1 ETC
unit = 13.44686457 minutes. |
| Sun Canonical
Time |
Unitless |
Text |
Time elapsed past the scenario epoch. Sun Canonical
Time (SCT) is expressed in terms of STC units where 1 STC unit =
approximately 1400 hours. |
| ISO8601 YMD UTC |
Unitless |
Text |
UTC date and time formatted as
YYYY-MM-DDThh:mm:ss.sss where YYYY is the 4 digit year, MM is the
two digit month, DD is the 2 digit day of the month, HH is the two
digit hour, mm is the two digit minute and SS.SSS is a floating
point representation of seconds into the minute where the precision
is specified via the time precision setting. |
| ISO8601 YD UTC |
Unitless |
Text |
UTC date and time formatted as
YYYY-DDDThh:mm:ss.sss where YYYY is the 4 digit year, DDD is the 3
digit day of the year, HH is the two digit hour, mm is the two
digit minute and SS.SSS is a floating point representation of
seconds into the minute where the precision is specified via the
time precision setting. |