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437089 (2012 UA78)
Classification: Main-belt Asteroid          SPK-ID: 2437089
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06900770791269502 9.6314e-08  
a 2.724821389390994 5.0383e-08 au
q 2.536787710837636 2.872e-07 au
i 5.525822261735827 1.0254e-05 deg
node 25.49010433364396 7.4906e-05 deg
peri 312.8910223410292 0.00010467 deg
M 300.3986858239487 6.5239e-05 deg
tp 2459272.493685386728
(2021-Feb-26.99368539)
0.00029582 TDB
period 1642.878652809419
4.50
4.5567e-05
1.248e-07
d
yr
n .2191275657422287 6.0777e-09 deg/d
Q 2.912855067944351 5.386e-08 au
  Orbit Determination Parameters
   # obs. used (total)      83  
   data-arc span      6569 days (17.98 yr)  
   first obs. used      2001-04-16  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67194  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:03:42  

Additional Information
 Earth MOID = 1.53212 au 
 Jupiter MOID = 2.35518 au 
 T_jup = 3.347 
[ 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 16.9   n/a MPO472423  

437089 (2012 UA78)          Discovered 2012-Oct-06 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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