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192441 (1997 WH1)
Classification: Main-belt Asteroid          SPK-ID: 2192441
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .229897550567592 5.9271e-08  
a 2.284710978006299 1.4322e-08 AU
q 1.759461520407763 1.4121e-07 AU
i 4.037894705379278 7.5288e-06 deg
node 260.2279436760373 8.9102e-05 deg
peri 93.47413139346028 9.1443e-05 deg
M 5.909054614955163 1.6888e-05 deg
tp 2456979.795686605094
(2014-Nov-18.29568660)
5.9136e-05 JED
period 1261.37822508903
3.45
1.1861e-05
3.247e-08
d
yr
n .2854021044913714 2.6836e-09 deg/d
Q 2.809960435604834 1.7614e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      329  
   data-arc span      8897 days (24.36 yr)  
   first obs. used      1990-09-11  
   last obs. used      2015-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56465  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 21:36:05  

Additional Information
 Earth MOID = .760442 AU 
 T_jup = 3.564 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1 mag n/a MPO260303  

192441 (1997 WH1)          Discovered 1997-Nov-19 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Alternate Designations
 1997 WH1 = 1990 SJ15 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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