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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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1095284688705593 6.9826e-08  
a 2.274678920615165 1.88e-08 AU
q 2.02553682126805 1.6069e-07 AU
i 6.615221691738286 7.9361e-06 deg
node 35.09474117358472 5.3551e-05 deg
peri 4.909748509716651 6.2038e-05 deg
M 3.082996431188253 3.5101e-05 deg
tp 2456989.768779894826
(2014-Nov-28.26877989)
0.00012213 JED
period 1253.07937394325
3.43
1.5535e-05
4.253e-08
d
yr
n .2872922557707855 3.5616e-09 deg/d
Q 2.523821019962281 2.0859e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      540  
   data-arc span      8128 days (22.25 yr)  
   first obs. used      1992-03-26  
   last obs. used      2014-06-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56022  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:48:38  

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 15.0 mag n/a MPO263546  

22502 (1997 SW)          Discovered 1997-Sep-16 by Beijing Schmidt CCD Asteroid Program at Xinglong (327)
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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