(55875) Hirohatagaoka = 1997 VH

JPL Orbit Diagram


Discovered 1997 Nov. 1 by A. Asami at Hadano.
Hirohatagaoka is a hill on which Hadano High School is located. Founded in 1926 and originally named Naka-chugaku, the school is one of the most traditional high schools in Kanagawa prefecture. The name was suggested by M. Yamaguchi, who, like the discoverer, graduated from the school.


0.28-m f/5.0 reflector + CCD
Exposure = 180 sec Focal length = 1.4-m
Picture taken Nov. 2 1997 at 23:22:01 (JST)
Observer = A. Asami



The orbital elements  by S. Nakano
 
1997 VH 
Epoch 1997 Nov. 8.0 TT = JDT 2450760.5                  Nakano
M  15.64888              (2000.0)            P               Q
n   0.24321217     Peri.    0.48549     +0.92883103     -0.36900224
a   2.5418262      Node    21.26320     +0.33961999     +0.81201061
e   0.2386995      Incl.    5.27180     +0.14809183     +0.45219035
P   4.05           H   14.8           G   0.15           U   *
Residuals in seconds of arc 
971101 355  0.4-  0.1-    971102 355  0.1-  0.3-    971103 355  0.5+  0.3-  
971101 355  0.1-  0.6+    971102 355  0.4+  0.3-    971103 355  0.3+  0.6+  
971101 355  0.0   0.9+    971102 900  0.0   0.1+    971103 900  0.0   0.6+  
971101 355  0.0   0.0     971102 900  0.1-  0.2-    971103 900  0.7-  0.0   
971101 355  0.6+  0.4-    971102 900  0.5+  0.1-                            
971102 355  0.8-  1.2-    971102 900  0.0   0.0                             
 


900 Moriyama Observer Y. Ikari 0.25-m f/6.3 reflector + CCD

CCD precise positions ...+....+....+....+....+....+....+....+....+....+....+....+....+....+....+....+
HA005 * C1997 11 01.50772 03 08 56.66 +22 03 47.2 355 HA005 C1997 11 01.51045 03 08 56.52 +22 03 48.0 355 HA005 C1997 11 01.51668 03 08 56.14 +22 03 48.6 355 HA005 C1997 11 01.52199 03 08 55.82 +22 03 48.0 355 HA005 C1997 11 01.52488 03 08 55.68 +22 03 47.7 355 HA005 C1997 11 02.57263 03 07 53.43 +22 04 24.5 16.8 V 355 HA005 C1997 11 02.58188 03 07 52.90 +22 04 25.7 355 HA005 C1997 11 02.59966 03 07 51.82 +22 04 26.4 355 J97V00H C1997 11 03.57611 03 06 53.42 +22 04 52.8 355 J97V00H C1997 11 03.58194 03 06 53.04 +22 04 53.9 355