diff --git a/satsim/satsim.py b/satsim/satsim.py
new file mode 100644
index 0000000..883cda1
--- /dev/null
+++ b/satsim/satsim.py
@@ -0,0 +1,53 @@
+import numpy as np
+import threading
+import astropy.coordinates import SkyCoord as sc
+
+class Sat:
+    def __init__(self):
+        self.location = self.getLoc()
+        self.attitude = sc(0,0, unit='deg', frame='icrs')
+        self.saturation = 0
+        self.battery = 10000
+        self.system_modes = 
+        {
+                "opt_read": False
+                "opt_cool": False
+                "rad_mode": False
+                "grv_mode": False
+                "HGA_mode": "off"   #off/rx/tx
+                "LGA_mode": "idle"  #idle/dup/tx
+                "torquers": False
+                "gyro_del": False
+        }
+
+    def inst_optical():
+        """
+        Main Telescope
+        """
+        pass
+
+    def inst_radiation():
+        """
+        beta/gamma detector
+        """
+        pass
+
+    def inst_gravitometer():
+        """
+        local gravity and potential gravity waves (rare)
+        """
+        pass
+
+    def inst_hg_antenna():
+        """
+        tight beam antenna for high speed up/downlink
+        has to point at your ground station.
+        """
+        pass
+
+    def check_command_q():
+        pass
+
+    def update():
+        pass
+
diff --git a/satsim/status b/satsim/status
new file mode 100644
index 0000000..e69de29