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JPL Small-Body Database Browser
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442704 (2012 UL122)
Classification: Main-belt Asteroid          SPK-ID: 2442704
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 .05065741850244779 9.2462e-08  
a 2.359557535304725 2.9166e-08 au
q 2.240028441758189 2.2601e-07 au
i 4.189778984392235 9.349e-06 deg
node 261.14980492431 0.00011341 deg
peri 200.8869581506386 0.00016146 deg
M 234.7199075407468 0.0001218 deg
tp 2459061.205979252697
(2020-Jul-30.70597925)
0.0004521 TDB
period 1323.86677943197
3.62
2.4546e-05
6.72e-08
d
yr
n .2719306848642766 5.042e-09 deg/d
Q 2.47908662885126 3.0644e-08 au
  Orbit Determination Parameters
   # obs. used (total)      95  
   data-arc span      6053 days (16.57 yr)  
   first obs. used      2003-03-31  
   last obs. used      2019-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61582  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:01:47  

Additional Information
 Earth MOID = 1.25759 au 
 Jupiter MOID = 2.59272 au 
 T_jup = 3.547 
[ 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 17.7   n/a MPO456096  

442704 (2012 UL122)          Discovered 2008-Sep-04 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2012 UL122 = 2008 RD13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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