From aba7d5c9f000c411911971391a3f4ed9d4fddbc6 Mon Sep 17 00:00:00 2001
From: Jordan Stephens <iam@jordanstephens.net>
Date: Wed, 18 Feb 2015 01:35:04 -0500
Subject: [PATCH] use lodash extend instead of merge in baseParams

---
 lib/param-helper.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/param-helper.js b/lib/param-helper.js
index 9efbef7..6104578 100644
--- a/lib/param-helper.js
+++ b/lib/param-helper.js
@@ -129,7 +129,7 @@ function baseParams(params) {
   params.mu = constants.MU;
   params.bodyRadius = constants.EARTH_RADIUS;
 
-  return ld.merge(DEFAULT_PARAMS, params);
+  return ld.extend({}, DEFAULT_PARAMS, params);
 }
 
 function angularMomentumFromSemilatusRectum(semilatusRectum) {