import ephem
line1 = "WorldView 4"
line2 = '1 41848U 16067A 20074.82580014 -.00000094 00000-0 00000+0 0 9999'
line3 = "2 41848 97.8435 176.0145 0008992 126.7749 233.3766 15.40359612182266"
iss = ephem.readtle(line1, line2, line3)
iss.compute('2020/3/15 04:00:00.000')
issE = iss.elevation.real/1000
print("%s,%s,%s"%(iss.sublat,iss.sublong,issE))
82:05:50.5,-140:07:20.6,453.627375
但在 STK LLA 报告中,结果是:</p>
15 Mar 2020 04:00:00.000 82:08:46.1243 N 140:07:21.4394 W 453.625591.
特别是在某些纬度上,差异变得更大。