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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 ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2299698108965317 6.9859e-08  
a 2.284888094861649 1.4982e-08 AU
q 1.759432811766579 1.6294e-07 AU
i 4.038010822102877 9.5453e-06 deg
node 260.231393088451 0.00010405 deg
peri 93.47514622368591 0.00010624 deg
M 308.832763812679 2.1202e-05 deg
tp 2456979.802063394527
(2014-Nov-18.30206339)
7.4834e-05 JED
period 1261.524906010549
3.45
1.2408e-05
3.397e-08
d
yr
n .285368920014798 2.8067e-09 deg/d
Q 2.810343377956719 1.8427e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      273  
   data-arc span      8690 days (23.79 yr)  
   first obs. used      1990-09-11  
   last obs. used      2014-06-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59319  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 16:10:56  

Additional Information
 Earth MOID = .758827 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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