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22502 (1997 SW)
Classification: Main-belt Asteroid          SPK-ID: 2022502
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1102321950281117 6.5595e-08  
a 2.274920889804029 1.2611e-08 au
q 2.024151366605626 1.5019e-07 au
i 6.617813129475342 7.214e-06 deg
node 35.06055116137296 3.87e-05 deg
peri 5.17757875180239 4.4637e-05 deg
M 175.1249407644462 2.1955e-05 deg
tp 2456990.832035103956
(2014-Nov-29.33203510)
7.645e-05 JED
period 1253.279323918747
3.43
1.0422e-05
2.853e-08
d
yr
n .287246420753479 2.3886e-09 deg/d
Q 2.525690413002432 1.4002e-08 au
  Orbit Determination Parameters
   # obs. used (total)      928  
   data-arc span      8785 days (24.05 yr)  
   first obs. used      1992-03-26  
   last obs. used      2016-04-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50765  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:39:07  

Additional Information
 Earth MOID = 1.03051 au 
 Jupiter MOID = 2.85184 au 
 T_jup = 3.593 
[ 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 15.2 mag n/a MPO365520  

22502 (1997 SW)          Discovered 1997-Sep-16 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 SW = 1999 GJ31 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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