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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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1332266548843527 5.5978e-08  
a 3.095222926917846 3.4574e-08 AU
q 2.682856730243226 1.8528e-07 AU
i 5.842241606131469 7.7952e-06 deg
node 10.22451643516342 4.9591e-05 deg
peri 287.4372169190589 5.7816e-05 deg
M 232.2249879906442 3.2222e-05 deg
tp 2457706.459451474736
(2016-Nov-13.95945147)
0.0001811 JED
period 1989.007072151916
5.45
3.3326e-05
9.124e-08
d
yr
n .1809948315621192 3.0326e-09 deg/d
Q 3.507589123592465 3.918e-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 = 1.67592 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 12.8 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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