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390255 (2012 XU114)
Classification: Main-belt Asteroid          SPK-ID: 2390255
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1172864980274081 4.5803e-08  
a 3.172410621639413 6.9391e-08 au
q 2.800329689522373 1.414e-07 au
i 27.90840477597489 6.5915e-06 deg
node 110.730375580948 1.3491e-05 deg
peri 226.6859478811795 3.6409e-05 deg
M 239.0329447199925 3.8062e-05 deg
tp 2459694.001057580690
(2022-Apr-24.50105758)
0.00023055 TDB
period 2063.870862617503
5.65
6.7716e-05
1.854e-07
d
yr
n .1744295181062977 5.7231e-09 deg/d
Q 3.544491553756453 7.753e-08 au
  Orbit Determination Parameters
   # obs. used (total)      246  
   data-arc span      5371 days (14.70 yr)  
   first obs. used      2005-09-29  
   last obs. used      2020-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60712  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:42:31  

Additional Information
 Earth MOID = 1.83745 au 
 Jupiter MOID = 1.82341 au 
 T_jup = 3.011 
[ 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 15.0   n/a MPO437597  
diameter diameter 5.365 km 0.125 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

390255 (2012 XU114)          Discovered 2010-Apr-24 by WISE at WISE
Reference: Last Updated: 2014-03-21

[ show close-approach data ]
Alternate Designations
 2012 XU114 = 2010 HB48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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