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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1940811390358154 6.9133e-08  
a 2.432487372107512 1.7348e-08 AU
q 1.960387452238649 1.7474e-07 AU
i 3.113353579598758 7.176e-06 deg
node 349.4300818008423 0.0001096 deg
peri 355.4937398276499 0.00011086 deg
M 332.6455019722851 2.2937e-05 deg
tp 2456905.793258816809
(2014-Sep-05.29325882)
8.91e-05 JED
period 1385.716277288158
3.79
1.4824e-05
4.059e-08
d
yr
n .2597934410531128 2.7793e-09 deg/d
Q 2.904587291976375 2.0715e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      533  
   data-arc span      6861 days (18.78 yr)  
   first obs. used      1995-09-17  
   last obs. used      2014-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61848  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:48:27  

Additional Information
 Earth MOID = .951708 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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