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268378 (2005 UH20)
Classification: Main-belt Asteroid          SPK-ID: 2268378
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1841834491939419 4.1121e-08  
a 2.645923668403697 1.8341e-08 au
q 2.158588320853216 1.0358e-07 au
i 13.56405672224372 9.0077e-06 deg
node 43.3534013592345 1.8451e-05 deg
peri 90.6171334713049 3.5174e-05 deg
M 67.13112245458518 2.6821e-05 deg
tp 2458707.352765377424
(2019-Aug-11.85276538)
0.00011623 TDB
period 1572.042900601304
4.30
1.6346e-05
4.475e-08
d
yr
n .2290013840349399 2.3811e-09 deg/d
Q 3.133259015954178 2.1719e-08 au
  Orbit Determination Parameters
   # obs. used (total)      309  
   data-arc span      6771 days (18.54 yr)  
   first obs. used      2001-12-09  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51324  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:13:20  

Additional Information
 Earth MOID = 1.22227 au 
 Jupiter MOID = 2.06542 au 
 T_jup = 3.329 
[ 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 16.2   n/a MPO321430  

268378 (2005 UH20)          Discovered 2005-Oct-22 by CSS at Catalina
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

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