diff --git a/stellarphot/settings/models.py b/stellarphot/settings/models.py
index 4dca97cd..0aa251b2 100644
--- a/stellarphot/settings/models.py
+++ b/stellarphot/settings/models.py
@@ -6,7 +6,15 @@
 
 from .autowidgets import CustomBoundedIntTex
 
-__all__ = ["ApertureSettings", "PhotometryFileSettings"]
+from astropy.time import Time
+from astropy.coordinates import SkyCoord
+from astropy.units import Quantity
+import astropy.units as u
+
+from ..core import QuantityType
+
+
+__all__ = ["ApertureSettings", "PhotometryFileSettings", "Exoplanet"]
 
 
 class ApertureSettings(BaseModel):
@@ -68,7 +76,8 @@ def outer_annulus(self):
 
 class PhotometryFileSettings(BaseModel):
     """
-    An evolutionary step on the way to having a monolithic set of photometry settings.
+    An evolutionary step on the way to
+    having a monolithic set of photometry settings.
     """
 
     image_folder: Path = Field(
@@ -81,4 +90,55 @@ class PhotometryFileSettings(BaseModel):
         filter_pattern=["*.ecsv", "*.csv"], default=""
     )
 
-'fdsfafdafafdasdfasdfda'
+
+class TimeType(Time):
+    @classmethod
+    def __get_validators__(cls):
+        yield cls.validate
+
+    @classmethod
+    def validate(cls, v):
+        return Time(v)
+
+
+class SkyCoordType(SkyCoord):
+    @classmethod
+    def __get_validators__(cls):
+        yield cls.validate
+
+    @classmethod
+    def validate(cls, v):
+        return SkyCoord(v)
+
+
+class Exoplanet(BaseModel):
+    epoch: TimeType | None = None
+    period: QuantityType | None = None
+    identifier: str
+    coordinate: SkyCoordType
+    depth: float | None = None
+    duration: QuantityType | None = None
+
+    class Config:
+        validate_all = True
+        validate_assignment = True
+        extra = "forbid"
+        json_encoders = {
+            Quantity: lambda v: f"{v.value} {v.unit}",
+            QuantityType: lambda v: f"{v.value} {v.unit}",
+            Time: lambda v: f"{v.value}",
+        }
+
+    @classmethod
+    def validate_period(cls, values):
+        if u.get_physical_type(values["period"]) != "time":
+            raise ValueError(
+                f"Period does not have time units,currently has {values['period'].unit} units."
+            )
+
+    @classmethod
+    def validate_duration(cls, values):
+        if u.get_physical_type(values["duration"]) != "time":
+            raise ValueError(
+                f"Period does not have time units,currently has {values['duration'].unit} units."
+            )
diff --git a/stellarphot/settings/tests/test_models.py b/stellarphot/settings/tests/test_models.py
index 1bef5e81..ff44024f 100644
--- a/stellarphot/settings/tests/test_models.py
+++ b/stellarphot/settings/tests/test_models.py
@@ -1,8 +1,12 @@
+from astropy.time import Time
 from pydantic import ValidationError
 import pytest
 
 from stellarphot.settings.models import ApertureSettings
+from stellarphot.settings.models import Exoplanet
 
+from astropy.coordinates import SkyCoord
+import astropy.units as u
 
 DEFAULT_APERTURE_SETTINGS = dict(radius=5, gap=10, annulus_width=15)
 
@@ -29,3 +33,25 @@ def test_create_invalid_values(bad_one):
     bad_settings[bad_one] = -1
     with pytest.raises(ValidationError, match=bad_one):
         ApertureSettings(**bad_settings)
+
+
+DEFAULT_EXOPLANET_SETTINGS = dict(
+    epoch=Time(0, format="jd"),
+    period=0 * u.min,
+    identifier="",
+    coordinate=SkyCoord(
+        ra="00:00:00.00", dec="+00:00:00.0", frame="icrs", unit=("hour", "degree")
+    ),
+    depth=0,
+    duration=0 * u.min,
+)
+
+
+def test_create_exoplanet_correctly():
+    planet = Exoplanet(**DEFAULT_EXOPLANET_SETTINGS)
+    assert planet.epoch == DEFAULT_EXOPLANET_SETTINGS["epoch"]
+    assert planet.period == DEFAULT_EXOPLANET_SETTINGS["period"]
+    assert planet.identifier == DEFAULT_EXOPLANET_SETTINGS["identifier"]
+    assert planet.coordinate == DEFAULT_EXOPLANET_SETTINGS["coordinate"]
+    assert planet.depth == DEFAULT_EXOPLANET_SETTINGS["depth"]
+    assert planet.duration == DEFAULT_EXOPLANET_SETTINGS["duration"]