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7255 (1993 VY1)
Classification: Main-belt Asteroid          SPK-ID: 2007255
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1399926296506057 4.8717e-08  
a 2.269495062520779 1.4676e-08 AU
q 1.951782480739429 1.1012e-07 AU
i 5.690244652764786 7.0546e-06 deg
node 30.97951434954775 5.9917e-05 deg
peri 225.4498611590511 6.6371e-05 deg
M 205.5939556417535 3.0695e-05 deg
tp 2457536.116671877251
(2016-May-27.61667188)
0.00010851 JED
period 1248.798275205034
3.42
1.2113e-05
3.316e-08
d
yr
n .2882771438332531 2.7962e-09 deg/d
Q 2.587207644302129 1.673e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1048  
   data-arc span      20559 days (56.29 yr)  
   first obs. used      1958-07-12  
   last obs. used      2014-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50404  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:03:54  

Additional Information
 Earth MOID = .943745 AU 
 T_jup = 3.594 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7 mag n/a PDS3 (MPC 28116)  
rotation period rot_per 9.022 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Published Reference List:
[Ditteon, R.; Kirkpatrick, E.; Doering, K. (2010) Minor Planet Bul. 37, 1-4.]

7255 (1993 VY1)          Discovered 1993-Nov-11 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1993 VY1 = 1978 GK2 = 1985 GL = 1995 EZ 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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