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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .193964602916581 6.669e-08  
a 2.432135715200901 1.257e-08 AU
q 1.960387476962723 1.6618e-07 AU
i 3.113462818377511 7.1408e-06 deg
node 349.4292168389227 9.984e-05 deg
peri 355.4874828138286 0.00010076 deg
M 24.61414809006185 1.5321e-05 deg
tp 2456905.775473466852
(2014-Sep-05.27547347)
5.8645e-05 JED
period 1385.415795304401
3.79
1.074e-05
2.94e-08
d
yr
n .2598497874935095 2.0144e-09 deg/d
Q 2.903883953439079 1.5008e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      550  
   data-arc span      6923 days (18.95 yr)  
   first obs. used      1995-09-17  
   last obs. used      2014-08-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60934  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:16:17  

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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