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277406 (2005 UJ204)
Classification: Main-belt Asteroid          SPK-ID: 2277406
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1528399650222846 5.809e-08  
a 2.567297366688241 2.5076e-08 au
q 2.174911726961807 1.4586e-07 au
i 10.52127549180507 1.3945e-05 deg
node 222.8339384434153 5.0405e-05 deg
peri 250.73939777 9.2186e-05 deg
M 146.9865425901843 7.3965e-05 deg
tp 2458387.037862240565
(2018-Sep-25.53786224)
0.00030623 TDB
period 1502.493804546053
4.11
2.2014e-05
6.027e-08
d
yr
n .2396016535381098 3.5105e-09 deg/d
Q 2.959683006414676 2.8909e-08 au
  Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      6329 days (17.33 yr)  
   first obs. used      2001-12-11  
   last obs. used      2019-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59889  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:11:39  

Additional Information
 Earth MOID = 1.2175 au 
 Jupiter MOID = 2.26793 au 
 T_jup = 3.392 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO427523  
diameter diameter 2.101 km 0.314 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

277406 (2005 UJ204)          Discovered 2005-Oct-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Alternate Designations
 2005 UJ204 = 2009 VY58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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