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227336 (2005 UJ7)
Classification: Main-belt Asteroid          SPK-ID: 2227336
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1678708293974005 4.7633e-08  
a 2.374495184420768 1.1122e-08 au
q 1.97588670841192 1.1498e-07 au
i 7.442323233875968 5.2454e-06 deg
node 285.8561533214092 3.1722e-05 deg
peri 186.703556398709 3.4962e-05 deg
M 352.3282345522554 1.2449e-05 deg
tp 2459228.980537568048
(2021-Jan-14.48053757)
4.6197e-05 TDB
period 1336.458158729493
3.66
9.3899e-06
2.571e-08
d
yr
n .269368702378408 1.8926e-09 deg/d
Q 2.773103660429616 1.2989e-08 au
  Orbit Determination Parameters
   # obs. used (total)      489  
   data-arc span      10553 days (28.89 yr)  
   first obs. used      1992-03-27  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52797  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:39:22  

Additional Information
 Earth MOID = .992578 au 
 Jupiter MOID = 2.34452 au 
 T_jup = 3.512 
[ 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 16.5   n/a MPO454633  
diameter diameter 1.535 km 0.245 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.226   0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227336 (2005 UJ7)          Discovered 2005-Oct-27 by Guido, E. at RAS
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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