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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1332267098995782 6.3692e-08  
a 3.095222962065303 3.9862e-08 AU
q 2.682856590423715 2.0059e-07 AU
i 5.842241595546118 7.9623e-06 deg
node 10.22451059182552 5.7147e-05 deg
peri 287.4372178467031 6.4528e-05 deg
M 232.2249808383899 3.2451e-05 deg
tp 2457706.459503015747
(2016-Nov-13.95950302)
0.00018324 JED
period 1989.007106030838
5.45
3.8423e-05
1.052e-07
d
yr
n .1809948284792194 3.4964e-09 deg/d
Q 3.507589333706891 4.5172e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      993  
   data-arc span      12604 days (34.51 yr)  
   first obs. used      1979-09-23  
   last obs. used      2014-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53643  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:15:40  

Additional Information
 Earth MOID = 1.67592 AU 
 T_jup = 3.202 
[ 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 12.7 mag n/a MPO256926  

[ 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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