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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1939645790109601 6.4891e-08  
a 2.432135727578333 1.0379e-08 AU
q 1.960387545081087 1.6057e-07 AU
i 3.113463018045834 6.9872e-06 deg
node 349.4291927255539 8.3229e-05 deg
peri 355.4875183016603 8.4199e-05 deg
M 24.61413042017784 1.1538e-05 deg
tp 2456905.775540744134
(2014-Sep-05.27554074)
4.4342e-05 JED
period 1385.415805880223
3.79
8.8683e-06
2.428e-08
d
yr
n .2598497855098991 1.6634e-09 deg/d
Q 2.90388391007558 1.2392e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      658  
   data-arc span      7032 days (19.25 yr)  
   first obs. used      1995-09-17  
   last obs. used      2014-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5926  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 02:53:40  

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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