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JPL Small-Body Database Browser
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441860 (2009 WH190)
Classification: Main-belt Asteroid          SPK-ID: 2441860
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2366703557592423 4.2242e-08  
a 2.23134204518979 1.9176e-08 au
q 1.703249529534167 1.0091e-07 au
i 4.451178488318973 4.4571e-06 deg
node 250.3441449879455 6.9813e-05 deg
peri 28.44091560005073 7.2381e-05 deg
M 191.5549828999703 1.5604e-05 deg
tp 2459570.143725133952
(2021-Dec-21.64372513)
5.4991e-05 TDB
period 1217.440234082096
3.33
1.5694e-05
4.297e-08
d
yr
n .2957024007600886 3.8119e-09 deg/d
Q 2.759434560845412 2.3715e-08 au
  Orbit Determination Parameters
   # obs. used (total)      215  
   data-arc span      5174 days (14.17 yr)  
   first obs. used      2005-10-06  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56527  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 22:52:50  

Additional Information
 Earth MOID = .688471 au 
 Jupiter MOID = 2.38005 au 
 T_jup = 3.601 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.5   n/a MPO450445  

441860 (2009 WH190)          Discovered 2009-Nov-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2009 WH190 = 2008 JX40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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