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JPL Small-Body Database Browser
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441564 (2008 UN7)
Classification: Outer Main-belt Asteroid          SPK-ID: 2441564
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3331904573488623 8.886e-08  
a 3.958100370651436 4.5084e-08 au
q 2.639299097921383 3.5686e-07 au
i 6.314131658459247 1.0102e-05 deg
node 237.3684270274507 6.6055e-05 deg
peri 188.8883453980809 7.0995e-05 deg
M 159.5063843041758 1.4069e-05 deg
tp 2457726.104582619941
(2016-Dec-03.60458262)
0.00010937 TDB
period 2876.263243369189
7.87
4.9142e-05
1.345e-07
d
yr
n .1251623963244422 2.1385e-09 deg/d
Q 5.276901643381489 6.0106e-08 au
  Orbit Determination Parameters
   # obs. used (total)      176  
   data-arc span      6384 days (17.48 yr)  
   first obs. used      2000-09-25  
   last obs. used      2018-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62024  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:20:32  

Additional Information
 Earth MOID = 1.65331 au 
 Jupiter MOID = .078427 au 
 T_jup = 2.949 
[ 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 15.7   n/a MPO440827  

441564 (2008 UN7)          Discovered 2008-Oct-26 by BATTeRS at Bisei SG Center
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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