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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1939646282623659 6.883e-08  
a 2.432135697815494 1.6778e-08 AU
q 1.960387401305082 1.7365e-07 AU
i 3.113462660559331 7.167e-06 deg
node 349.4292280687039 0.00010887 deg
peri 355.487454970551 0.0001101 deg
M 24.61417368865901 2.2329e-05 deg
tp 2456905.775375969461
(2014-Sep-05.27537597)
8.5241e-05 JED
period 1385.415780449545
3.79
1.4336e-05
3.925e-08
d
yr
n .2598497902796991 2.6888e-09 deg/d
Q 2.903883994325907 2.0032e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      538  
   data-arc span      6889 days (18.86 yr)  
   first obs. used      1995-09-17  
   last obs. used      2014-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61652  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:37:37  

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 15.3 mag n/a PDS3 (MPO 9987)  

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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