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8429 (1997 YK4)
Classification: Main-belt Asteroid          SPK-ID: 2008429
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1337059168062394 5.624e-08  
a 3.092048850977798 3.3873e-08 au
q 2.678623624548132 1.862e-07 au
i 5.845397031989834 7.8001e-06 deg
node 10.21509514624824 4.9559e-05 deg
peri 287.8711996278789 5.7736e-05 deg
M 304.2810131419881 3.2432e-05 deg
tp 2457707.875081667700
(2016-Nov-15.37508167)
0.0001803 JED
period 1985.948338980982
5.44
3.2633e-05
8.934e-08
d
yr
n .1812735975723925 2.9787e-09 deg/d
Q 3.505474077407463 3.8402e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1168  
   data-arc span      13052 days (35.73 yr)  
   first obs. used      1979-09-23  
   last obs. used      2015-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52975  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 11:59:18  

Additional Information
 Earth MOID = 1.66875 au 
 Jupiter MOID = 1.74227 au 
 T_jup = 3.203 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.8 mag n/a MPO337327  

[ show close-approach data ]
Alternate Designations
 1997 YK4 = 1979 SV7 = 1988 FH2 = 1988 GK2 = 1993 DR 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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