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JPL Small-Body Database Browser
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442387 (2011 UR25)
Classification: Main-belt Asteroid          SPK-ID: 2442387
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09955983611830493 5.4683e-08  
a 2.692698965503914 4.5617e-08 au
q 2.424614297782415 1.5431e-07 au
i 5.521469429753992 6.2317e-06 deg
node 47.30705629670792 9.5502e-05 deg
peri 7.866739641017563 0.00010696 deg
M 238.0037377361183 5.029e-05 deg
tp 2459147.420442185776
(2020-Oct-24.92044219)
0.00023088 TDB
period 1613.913045639031
4.42
4.1012e-05
1.123e-07
d
yr
n .2230603445289442 5.6683e-09 deg/d
Q 2.960783633225413 5.0159e-08 au
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      5643 days (15.45 yr)  
   first obs. used      2004-03-16  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63575  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:06  

Additional Information
 Earth MOID = 1.43573 au 
 Jupiter MOID = 2.35325 au 
 T_jup = 3.357 
[ 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  

442387 (2011 UR25)          Discovered 2009-Apr-24 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 UR25 = 2009 HY75 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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