Asteroid: 1999 WY

A linkage with previously published positions for 1990 OG1 was found

Observations:
     J90O01G* A1990 07 20.37517 20 11 18.07 -05 52 25.3          16.0   16807675
     J90O01G  A1990 07 20.39809 20 11 15.92 -05 52 01.4                 16807675
     J90O01G  A1990 07 22.25000 20 08 31.09 -05 20 28.6                 16807675
     J90O01G  A1990 07 22.27778 20 08 28.77 -05 20 01.8                 16807675

Orbit improvment and residuals

1999 WY = 1990 OG1
Id. A. Doppler
Epoch 1999 Aug. 10.0 TT = JDT 2451400.5                 Doppler
M   8.55332              (2000.0)            P               Q
n   0.23116080     Peri.   95.10000     +0.83448864     -0.35251000
a   2.6294198      Node   286.07725     +0.13090890     +0.87341935
e   0.4282510      Incl.   26.15198     +0.53524907     +0.33596924
P   4.26           H   14.1           G   0.15           U   5
Residuals in seconds of arc
J907K  675  0.5+  0.1-    J99BJ  046  0.1-  0.3+    J99BL  046  0.0   0.1+
J907K  675  0.3-  0.3+    J99BJ  046  0.2-  0.8+    J99BL  046  0.3+  0.0
J907M  675  0.2-  0.2-    J99BJ  046  0.1+  0.3+    J99BL  046  0.4-  0.2+
J907M  675 (3.8+  1.7-)   J99BJ  046  0.1+  0.5-    J99BL  046  0.1-  0.0
J99BH  703  0.3-  0.6+    J99BJ  557  0.1+  0.3-    J99BL  946  0.0   0.4-
J99BH  703  0.3-  0.1+    J99BJ  557  0.1+  0.0     J99BL  557  0.1+  0.4-
J99BH  703  0.2-  0.3+    J99BJ  587  1.3-  0.0     J99BL  557  0.1-  0.1-
J99BH  703  0.1-  0.4+    J99BK  587  0.4-  0.7+    J99BL  557  0.1+  0.3-
J99BI  850  0.8+  0.6-    J99BK  540 (2.7-  0.5-)   J99BL  557  0.4-  0.0
J99BI  850  0.8+  0.4-    J99BK  540  0.2-  0.9-    J99BL  946  0.5+  0.8+
J99BI  850  1.1+  0.8-    J99BK  540  0.4-  0.4+
J99BI  850  0.4+  0.4-    J99BK  540 (2.3+  0.5+)

Link to the MPEC which published the improved orbit.