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22407 (1995 SK2)
Classification: Main-belt Asteroid          SPK-ID: 2022407
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .193964585970599 6.5601e-08  
a 2.432135725726581 1.0648e-08 AU
q 1.960387526661722 1.6255e-07 AU
i 3.113462867470875 7.1055e-06 deg
node 349.4292008417145 8.5867e-05 deg
peri 355.487508725449 8.6822e-05 deg
M 24.61413275205566 1.1916e-05 deg
tp 2456905.775531878369
(2014-Sep-05.27553188)
4.5763e-05 JED
period 1385.415804298005
3.79
9.0985e-06
2.491e-08
d
yr
n .2598497858066613 1.7065e-09 deg/d
Q 2.903883924791439 1.2714e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      611  
   data-arc span      6981 days (19.11 yr)  
   first obs. used      1995-09-17  
   last obs. used      2014-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60282  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:40:43  

Additional Information
 Earth MOID = .953406 AU 
 T_jup = 3.479 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4 mag n/a MPO309329  

22407 (1995 SK2)          Discovered 1995-Sep-17 by Shimizu, Y., Urata, T. at Nachi-Katsuura (905)
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1995 SK2 = 1998 HR78 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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