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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1931592706424597 5.9746e-08  
a 2.433893214111349 9.4324e-09 au
q 1.963764176051969 1.4681e-07 au
i 3.112122520356163 6.1184e-06 deg
node 349.4375101991999 7.5625e-05 deg
peri 355.6662380919457 7.6401e-05 deg
M 180.2898824684721 1.0816e-05 deg
tp 2458292.842088947112
(2018-Jun-23.34208895)
4.324e-05 JED
period 1386.917750900885
3.80
8.0624e-06
2.207e-08
d
yr
n .2595683844742478 1.5089e-09 deg/d
Q 2.904022252170729 1.1254e-08 au
  Orbit Determination Parameters
   # obs. used (total)      828  
   data-arc span      7520 days (20.59 yr)  
   first obs. used      1995-09-17  
   last obs. used      2016-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59217  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:38:55  

Additional Information
 Earth MOID = .955551 au 
 Jupiter MOID = 2.49546 au 
 T_jup = 3.478 
[ 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
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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