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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .109528454273542 6.8868e-08  
a 2.274678918561405 1.4664e-08 AU
q 2.025536852642762 1.5967e-07 AU
i 6.615220325962709 7.7195e-06 deg
node 35.09470150547816 4.218e-05 deg
peri 4.909785064994776 4.9612e-05 deg
M 3.0830007108523 2.4402e-05 deg
tp 2456989.768765012807
(2014-Nov-28.26876501)
8.496e-05 JED
period 1253.079372246182
3.43
1.2117e-05
3.317e-08
d
yr
n .2872922561598706 2.778e-09 deg/d
Q 2.523820984480048 1.627e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      768  
   data-arc span      8366 days (22.90 yr)  
   first obs. used      1992-03-26  
   last obs. used      2015-02-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51216  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 15:08:40  

Additional Information
 Earth MOID = 1.03302 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 15.1 mag n/a MPO309330  

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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