From 03466241db5fd6bd60c2f72101f035131aee3547 Mon Sep 17 00:00:00 2001
From: Jeff Moe <moe@spacecruft.org>
Date: Sat, 21 May 2022 18:08:06 -0600
Subject: [PATCH] semimajor axis

---
 tle2ssc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tle2ssc b/tle2ssc
index 5b532db..9bf9663 100755
--- a/tle2ssc
+++ b/tle2ssc
@@ -97,6 +97,8 @@ satellite_period=(1 / (satellite.model.no_kozai * xpdotp))
 #    Revolution number at epoch [Revs]
 satellite_revnum=satellite.model.revnum
 
+# SemiMajor Axis
+satellite_semimajor_axis=pow((pow(satellite_period,2) * 75371000000000),0.33333333)
 
 #    'i',             # 'a' = old AFSPC mode, 'i' = improved mode
 #    5,               # satnum: Satellite number
@@ -149,7 +151,7 @@ print()
 print('  EllipticalOrbit {')
 print('    Epoch', satellite_epoch)
 print('    Period', satellite_period)
-print('    SemiMajorAxis  29600.181 XXX')
+print('    SemiMajorAxis', satellite_semimajor_axis)
 print('    Eccentricity', satellite_eccentricity)
 print('    Inclination', satellite_inclination)
 print('    AscendingNode', satellite_ascending_node)