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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1332266571149785 5.6031e-08  
a 3.095222928080509 3.4599e-08 AU
q 2.682856724346707 1.8539e-07 AU
i 5.842241604242174 7.7954e-06 deg
node 10.22451622166144 4.9682e-05 deg
peri 287.437217232281 5.789e-05 deg
M 232.2249874703546 3.2227e-05 deg
tp 2457706.459454747117
(2016-Nov-13.95945475)
0.00018114 JED
period 1989.007073272616
5.45
3.335e-05
9.131e-08
d
yr
n .1809948314601382 3.0348e-09 deg/d
Q 3.50758913181431 3.9208e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1165  
   data-arc span      13023 days (35.66 yr)  
   first obs. used      1979-09-23  
   last obs. used      2015-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52786  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:01:35  

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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