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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2298975529058123 5.9373e-08  
a 2.28471097721867 1.4357e-08 AU
q 1.759461514459051 1.4148e-07 AU
i 4.037894011269793 7.5825e-06 deg
node 260.227938469608 8.923e-05 deg
peri 93.47413527896592 9.1593e-05 deg
M 5.909056138743281 1.6998e-05 deg
tp 2456979.795681276708
(2014-Nov-18.29568128)
5.952e-05 JED
period 1261.378224436761
3.45
1.189e-05
3.255e-08
d
yr
n .2854021046389552 2.6902e-09 deg/d
Q 2.809960439978289 1.7658e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      319  
   data-arc span      8779 days (24.04 yr)  
   first obs. used      1990-09-11  
   last obs. used      2014-09-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56691  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 17:22:47  

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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