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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 ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1402830061404491 5.0178e-08  
a 2.268926040672285 1.2768e-08 AU
q 1.95063427497643 1.1371e-07 AU
i 5.691040144821667 7.3141e-06 deg
node 30.98848983577773 6.0668e-05 deg
peri 225.4637710159554 6.7313e-05 deg
M 147.8964673424313 3.0991e-05 deg
tp 2456287.657231451908
(2012-Dec-26.15723145)
0.00010618 JED
period 1248.328644996276
3.42
1.0537e-05
2.885e-08
d
yr
n .2883855957667894 2.4342e-09 deg/d
Q 2.58721780636814 1.4559e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1038  
   data-arc span      20281 days (55.53 yr)  
   first obs. used      1958-07-12  
   last obs. used      2014-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5387  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Feb-19 18:06:26  

Additional Information
 Earth MOID = .940929 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. 2013-Sep-12) 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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