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9890 (1995 SY2)
Classification: Main-belt Asteroid          SPK-ID: 2009890
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1409690771949228 7.9925e-08  
a 2.169724426849001 1.3847e-08 AU
q 1.863860376628814 1.7499e-07 AU
i .7053960846429421 5.626e-06 deg
node 89.97400040970182 0.00059726 deg
peri 281.1326172841898 0.00059767 deg
M 168.8191349262652 2.1534e-05 deg
tp 2455853.075205410858
(2011-Oct-18.57520541)		 6.8725e-05 JED
period 1167.361307343307
3.20		 1.1175e-05
3.06e-08		 d
yr
n .308387812526776 2.9521e-09 deg/d
Q 2.475588477069187 1.5799e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      901  
   data-arc span      12254 days (33.55 yr)  
   first obs. used      1979-09-23  
   last obs. used      2013-04-11  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .53433  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 13:37:37  

Additional Information
 Earth MOID = .863152 AU 
 T_jup = 3.677 
[ 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 14.6 mag n/a PDS3 (MPC 33466)  

9890 (1995 SY2)          Discovered 1995-Sep-20 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 19990106/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 SY2 = 1979 SG5 = 1992 VA 
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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