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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .229897553072408 5.9444e-08  
a 2.284710977418666 1.4365e-08 AU
q 1.759461514232445 1.4162e-07 AU
i 4.037892759854897 7.6542e-06 deg
node 260.2279419406055 8.9392e-05 deg
peri 93.4741323292741 9.1756e-05 deg
M 5.909055540833561 1.7063e-05 deg
tp 2456979.795683368962
(2014-Nov-18.29568337)
5.9748e-05 JED
period 1261.378224602387
3.45
1.1896e-05
3.257e-08
d
yr
n .2854021046014804 2.6917e-09 deg/d
Q 2.809960440604888 1.7668e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      297  
   data-arc span      8729 days (23.90 yr)  
   first obs. used      1990-09-11  
   last obs. used      2014-08-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58038  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 17:09:54  

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 (327)
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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