1 files changed, 10 insertions, 0 deletions
diff --git a/org/madore/ephem/Ephem.java b/org/madore/ephem/Ephem.java
new file mode 100644
index 0000000..380835c
--- /dev/null
+++ b/org/madore/ephem/Ephem.java
@@ -0,0 +1,10 @@
+package org.madore.ephem;
+
+public final class Ephem {
+
+    public static double fromJD(double jd) {
+	// Convert Julian date to Julian centuries from J2000
+	return (jd-2451545)/36525;
+    }
+
+}