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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1096249895661207 6.9822e-08  
a 2.274986717117467 1.884e-08 AU
q 2.025591321990401 1.607e-07 AU
i 6.614916828054514 7.9357e-06 deg
node 35.09650888209506 5.3553e-05 deg
peri 4.864392396179044 6.2026e-05 deg
M 305.6712888836161 3.4833e-05 deg
tp 2456989.644460291480
(2014-Nov-28.14446029)
0.00012205 JED
period 1253.333721815431
3.43
1.5569e-05
4.263e-08
d
yr
n .2872339535224079 3.568e-09 deg/d
Q 2.524382112244532 2.0905e-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 = 1.03208 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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