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357854 (2005 UK227)
Classification: Main-belt Asteroid          SPK-ID: 2357854
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09478292016972756 6.1047e-08  
a 3.079138189163114 3.8303e-08 au
q 2.787288479988107 1.7585e-07 au
i 6.46482542409113 6.3387e-06 deg
node 57.84090315638875 4.3285e-05 deg
peri 143.3042820642428 5.2262e-05 deg
M 136.5622577033584 2.8428e-05 deg
tp 2458451.864556820072
(2018-Nov-29.36455682)
0.00015574 TDB
period 1973.523022226266
5.40
3.6824e-05
1.008e-07
d
yr
n .1824148975946052 3.4037e-09 deg/d
Q 3.370987898338121 4.1933e-08 au
  Orbit Determination Parameters
   # obs. used (total)      207  
   data-arc span      5438 days (14.89 yr)  
   first obs. used      2005-10-25  
   last obs. used      2020-09-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57217  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:22:12  

Additional Information
 Earth MOID = 1.78618 au 
 Jupiter MOID = 1.59567 au 
 T_jup = 3.212 
[ 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 16.18   n/a E2021B25  

357854 (2005 UK227)          Discovered 2005-Oct-25 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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