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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .229649561291276 5.8923e-08  
a 2.28512696162419 1.4034e-08 au
q 1.760348557392329 1.4021e-07 au
i 4.036940082101735 7.4731e-06 deg
node 260.2151635886537 8.8524e-05 deg
peri 93.55399326539461 9.083e-05 deg
M 120.0166687328184 1.7027e-05 deg
tp 2456979.867334776153
(2014-Nov-18.36733478)
5.8815e-05 JED
period 1261.72273467858
3.45
1.1624e-05
3.182e-08
d
yr
n .2853241763070148 2.6285e-09 deg/d
Q 2.809905365856052 1.7257e-08 au
  Orbit Determination Parameters
   # obs. used (total)      334  
   data-arc span      9227 days (25.26 yr)  
   first obs. used      1990-09-11  
   last obs. used      2015-12-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57496  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 20:09:34  

Additional Information
 Earth MOID = .759187 au 
 Jupiter MOID = 2.64206 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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