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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1076968359858125 1.2033e-07  
a 3.002650529642753 5.0268e-08 au
q 2.679274568029104 3.502e-07 au
i 10.20467448830193 8.4621e-06 deg
node 297.5069211020617 6.5077e-05 deg
peri 28.6665511893485 7.9499e-05 deg
M 140.4303725712358 4.8397e-05 deg
tp 2457859.165592722294
(2017-Apr-15.66559272)
0.00025183 TDB
period 1900.44633317906
5.20
4.7724e-05
1.307e-07
d
yr
n .1894291849840312 4.7569e-09 deg/d
Q 3.326026491256401 5.5682e-08 au
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      6353 days (17.39 yr)  
   first obs. used      2001-08-14  
   last obs. used      2019-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60637  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:38:52  

Additional Information
 Earth MOID = 1.67083 au 
 Jupiter MOID = 1.97412 au 
 T_jup = 3.219 
[ 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 15.8   n/a MPO433907  

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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