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268425 (2005 UB491)
Classification: Main-belt Asteroid          SPK-ID: 2268425
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08137541803960886 7.6273e-08  
a 2.477193847809421 1.8513e-08 au
q 2.275611162878782 1.985e-07 au
i 5.571566138894806 6.7101e-06 deg
node 353.2715474960408 3.6604e-05 deg
peri 338.5746329142845 4.8847e-05 deg
M 336.0550272311885 2.819e-05 deg
tp 2459095.221869870700
(2020-Sep-02.72186987)
0.00011087 TDB
period 1424.093210824915
3.90
1.5964e-05
4.371e-08
d
yr
n .2527924417190836 2.8338e-09 deg/d
Q 2.67877653274006 2.002e-08 au
  Orbit Determination Parameters
   # obs. used (total)      324  
   data-arc span      6971 days (19.09 yr)  
   first obs. used      2001-10-14  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52239  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:22:17  

Additional Information
 Earth MOID = 1.26634 au 
 Jupiter MOID = 2.59669 au 
 T_jup = 3.469 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO433742  

268425 (2005 UB491)          Discovered 2005-Oct-23 by NEAT at Palomar
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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