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441640 (2008 WG13)
Classification: Main-belt Asteroid          SPK-ID: 2441640
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2399507495116012 6.0638e-08  
a 2.434126760038757 2.3771e-08 au
q 1.850056219561212 1.5872e-07 au
i 12.97197462111236 8.8924e-06 deg
node 83.27692803758588 3.4384e-05 deg
peri 295.7757382252973 4.1008e-05 deg
M 42.94807734136712 2.3166e-05 deg
tp 2458835.016598599226
(2019-Dec-17.51659860)
8.8012e-05 TDB
period 1387.117379685295
3.80
2.032e-05
5.563e-08
d
yr
n .2595310283558525 3.8018e-09 deg/d
Q 3.018197300516302 2.9475e-08 au
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      3912 days (10.71 yr)  
   first obs. used      2008-11-07  
   last obs. used      2019-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63424  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:14  

Additional Information
 Earth MOID = .895185 au 
 Jupiter MOID = 2.5291 au 
 T_jup = 3.432 
[ 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 17.0   n/a MPO440827  

441640 (2008 WG13)          Discovered 2008-Nov-07 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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