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442394 (2011 UR41)
Classification: Main-belt Asteroid          SPK-ID: 2442394
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1006348687031761 6.1442e-08  
a 2.746440247749732 5.915e-08 au
q 2.470052594016319 1.7784e-07 au
i 10.71358451862657 8.5147e-06 deg
node 25.23131051890478 5.0581e-05 deg
peri 244.375586455141 8.138e-05 deg
M 67.05901279148966 6.2937e-05 deg
tp 2458690.823454258543
(2019-Jul-26.32345426)
0.00028794 TDB
period 1662.46939562869
4.55
5.3706e-05
1.47e-07
d
yr
n .2165453396896128 6.9955e-09 deg/d
Q 3.022827901483145 6.5102e-08 au
  Orbit Determination Parameters
   # obs. used (total)      79  
   data-arc span      4724 days (12.93 yr)  
   first obs. used      2005-04-12  
   last obs. used      2018-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60515  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:23:02  

Additional Information
 Earth MOID = 1.47726 au 
 Jupiter MOID = 2.08385 au 
 T_jup = 3.315 
[ 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 MPO440831  

442394 (2011 UR41)          Discovered 2011-Sep-21 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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