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441565 (2008 UJ23)
Classification: Main-belt Asteroid          SPK-ID: 2441565
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2142232119189837 6.3535e-08  
a 2.363545482867799 2.1555e-08 au
q 1.857219178011253 1.4309e-07 au
i 1.680688368655175 6.2795e-06 deg
node 199.0012632006416 0.00016893 deg
peri 106.2315216765263 0.00017063 deg
M 122.514445384048 2.0546e-05 deg
tp 2458548.821757929593
(2019-Mar-06.32175793)
7.2438e-05 TDB
period 1327.22444798757
3.63
1.8156e-05
4.971e-08
d
yr
n .2712427431139149 3.7104e-09 deg/d
Q 2.869871787724344 2.6172e-08 au
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      4610 days (12.62 yr)  
   first obs. used      2007-03-20  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61468  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:09:41  

Additional Information
 Earth MOID = .843027 au 
 Jupiter MOID = 2.38139 au 
 T_jup = 3.518 
[ 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 18.2   n/a MPO440827  

441565 (2008 UJ23)          Discovered 2008-Sep-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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