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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1399926282636622 4.7807e-08  
a 2.269495062026125 1.4388e-08 AU
q 1.951782483461685 1.085e-07 AU
i 5.690245156489397 6.5533e-06 deg
node 30.97951240149798 5.8567e-05 deg
peri 225.4498642540555 6.4696e-05 deg
M 205.5939548570355 3.0035e-05 deg
tp 2457536.116674424234
(2016-May-27.61667442)
0.00010647 JED
period 1248.798274796756
3.42
1.1875e-05
3.251e-08
d
yr
n .2882771439275015 2.7413e-09 deg/d
Q 2.587207640590565 1.6402e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1116  
   data-arc span      20701 days (56.68 yr)  
   first obs. used      1958-07-12  
   last obs. used      2015-03-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49131  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:27:50  

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 LCDB (Rev. 2015-May); Warner et al., 2009 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
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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