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437047 (2012 UJ9)
Classification: Main-belt Asteroid          SPK-ID: 2437047
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2439224973095851 5.1435e-08  
a 2.426879916383021 2.7894e-08 au
q 1.834909306508397 1.3566e-07 au
i 2.82008046726758 9.4358e-06 deg
node 68.50456501680461 0.00010892 deg
peri 266.9357770401375 0.0001113 deg
M 37.18644054474883 2.2543e-05 deg
tp 2458857.856177717798
(2020-Jan-09.35617772)
8.5388e-05 TDB
period 1380.927436703653
3.78
2.3808e-05
6.518e-08
d
yr
n .2606943641146989 4.4946e-09 deg/d
Q 3.018850526257645 3.4698e-08 au
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      6454 days (17.67 yr)  
   first obs. used      2001-12-18  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62806  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:37:20  

Additional Information
 Earth MOID = .827894 au 
 Jupiter MOID = 2.36964 au 
 T_jup = 3.467 
[ 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 17.1   n/a MPO434606  

437047 (2012 UJ9)          Discovered 2001-Dec-18 by LINEAR at Socorro
Reference: Last Updated: 2015-06-04

Alternate Designations
 2012 UJ9 = 2001 YJ43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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