fix: 🐛 fix bug in how alpha 5 was calculated

thkruz · Nov 13, 2023 · c36cd0c · c36cd0c
1 parent 92e14a1
commit c36cd0c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/sgp4/sgp4.ts b/src/sgp4/sgp4.ts
@@ -3643,7 +3643,7 @@ class Sgp4 {
      */
     const leadingChar = satn.split('')[0].toLowerCase(); // Using uppercase will break the -96 math.
 
-    if (isNaN(parseInt(leadingChar))) {
+    if (isNaN(parseInt(leadingChar)) && leadingChar !== ' ') {
       satrec.satnum = parseInt(leadingChar.charCodeAt(0) - 96 + 9 + satrec.satnum.slice(1, 5)).toString();
     } else {
       satrec.satnum = satn;