diff --git a/astrodb_utils/coordinates.py b/astrodb_utils/coordinates.py
new file mode 100644
index 0000000..7e7d39f
--- /dev/null
+++ b/astrodb_utils/coordinates.py
@@ -0,0 +1,10 @@
+import astropy.units as u
+from astropy.time import Time
+from astropy.coordinates import SkyCoord
+
+def transform_coordinate(observed_time, desired_time, ra, dec, pm_ra_cosdec, pm_dec):
+    original = SkyCoord(ra=ra, dec =dec, pm_ra_cosdec = pm_ra_cosdec, pm_dec = pm_dec, unit = "deg", frame = "icrs", obstime = Time(observed_time))
+    transformed = original.apply_space_motion(Time(desired_time))
+    print(transformed)
+
+transform_coordinate("2017-12-18 01:12:07.3", "2025-08-04 01:12:07.3", 243.585, 0.7785, -64.3, 5.2)