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180290 (2003 WH109)
Classification: Main-belt Asteroid          SPK-ID: 2180290
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04618879828331588 5.7907e-08  
a 2.271581992501604 1.5142e-08 au
q 2.166660350065934 1.4057e-07 au
i 5.988474572691316 6.8816e-06 deg
node 38.32497877037252 4.2335e-05 deg
peri 100.2640884843834 8.8421e-05 deg
M 275.1793565812151 7.5924e-05 deg
tp 2459495.138920383771
(2021-Oct-07.63892038)
0.00026373 TDB
period 1250.521182850006
3.42
1.2504e-05
3.423e-08
d
yr
n .2878799695176218 2.8785e-09 deg/d
Q 2.376503634937273 1.5842e-08 au
  Orbit Determination Parameters
   # obs. used (total)      312  
   data-arc span      8293 days (22.70 yr)  
   first obs. used      1998-04-04  
   last obs. used      2020-12-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58167  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:43:08  

Additional Information
 Earth MOID = 1.18827 au 
 Jupiter MOID = 2.61482 au 
 T_jup = 3.603 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO433173  

180290 (2003 WH109)          Discovered 2003-Nov-20 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2003 WH109 = 2005 HC1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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