diff --git a/src/types/types.ts b/src/types/types.ts
index 578c5ab..50560aa 100644
--- a/src/types/types.ts
+++ b/src/types/types.ts
@@ -691,13 +691,18 @@ export type TleData = {
 export type TleDataFull = Line1Data & Line2Data;
 export type StringifiedNumber = `${number}.${number}`;
 
+/**
+ * Represents a set of data containing both Line 1 and Line 2 TLE information.
+ *
+ * TODO: #22 TleParams types should be more consistent.
+ */
 export type TleParams = {
   sat?: Satellite;
-  inc: StringifiedNumber;
-  meanmo: StringifiedNumber;
-  rasc: StringifiedNumber;
-  argPe: StringifiedNumber;
-  meana: StringifiedNumber;
+  inc: string|number;
+  meanmo: string|number;
+  rasc: string|number;
+  argPe: string|number;
+  meana: string|number;
   ecen: string;
   epochyr: string;
   epochday: string;