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JPL Small-Body Database Browser
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442685 (2012 UU42)
Classification: Main-belt Asteroid          SPK-ID: 2442685
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 .1863984086005525 6.3912e-08  
a 2.40374953251414 3.8975e-08 au
q 1.955694444979182 1.4255e-07 au
i 1.525752948061276 6.5525e-06 deg
node 31.52481153477742 0.00025855 deg
peri 268.4596410682863 0.00026655 deg
M 340.0272367822889 4.2546e-05 deg
tp 2458676.021028982532
(2019-Jul-11.52102898)
0.00015942 TDB
period 1361.232301077033
3.73
3.3107e-05
9.064e-08
d
yr
n .2644662484978951 6.4323e-09 deg/d
Q 2.851804620049098 4.624e-08 au
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      4013 days (10.99 yr)  
   first obs. used      2008-09-22  
   last obs. used      2019-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61162  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:52  

Additional Information
 Earth MOID = .940071 au 
 Jupiter MOID = 2.36543 au 
 T_jup = 3.500 
[ 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 18.6   n/a MPO397583  

442685 (2012 UU42)          Discovered 2012-Sep-23 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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