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JPL Small-Body Database Browser
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441645 (2008 WZ28)
Classification: Main-belt Asteroid          SPK-ID: 2441645
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2242501595437878 7.3529e-08  
a 2.392731392427026 2.2207e-08 au
q 1.856160995929836 1.744e-07 au
i 2.2151067499292 1.0279e-05 deg
node 161.8431977780658 0.00018717 deg
peri 145.073319874891 0.00018882 deg
M 17.4441216863033 2.2252e-05 deg
tp 2458534.993264822205
(2019-Feb-20.49326482)
8.3246e-05 TDB
period 1351.883751333984
3.70
1.882e-05
5.153e-08
d
yr
n .266295086130569 3.7072e-09 deg/d
Q 2.929301788924216 2.7186e-08 au
  Orbit Determination Parameters
   # obs. used (total)      141  
   data-arc span      5495 days (15.04 yr)  
   first obs. used      2004-10-10  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57205  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:58:31  

Additional Information
 Earth MOID = .841053 au 
 Jupiter MOID = 2.33162 au 
 T_jup = 3.495 
[ 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 17.8   n/a MPO440827  

441645 (2008 WZ28)          Discovered 2008-Nov-19 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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