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295957 (2008 YB4)
Classification: Main-belt Asteroid          SPK-ID: 2295957
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 .1081351926283734 1.1189e-07  
a 3.001478497611666 3.9941e-08 au
q 2.676913042102508 3.3373e-07 au
i 10.20595445092985 8.2943e-06 deg
node 297.5101872626439 5.581e-05 deg
peri 28.70702264013042 7.0329e-05 deg
M 216.1689963716918 4.8393e-05 deg
tp 2459759.341880621294
(2022-Jun-28.84188062)
0.00026207 TDB
period 1899.333732869114
5.20
3.7912e-05
1.038e-07
d
yr
n .18954014966932 3.7833e-09 deg/d
Q 3.326043953120824 4.426e-08 au
  Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      6739 days (18.45 yr)  
   first obs. used      2001-08-14  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60514  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:43:50  

Additional Information
 Earth MOID = 1.66937 au 
 Jupiter MOID = 1.97694 au 
 T_jup = 3.220 
[ 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 15.9   n/a MPO471120  

295957 (2008 YB4)          Discovered 2008-Dec-22 by Hormuth, F. at Calar Alto
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

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