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295931 (2008 XE5)
Classification: Main-belt Asteroid          SPK-ID: 2295931
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07496558636140574 5.684e-08  
a 2.913148780662739 3.3897e-08 au
q 2.694762874162343 1.7259e-07 au
i 10.35637311745035 6.3821e-06 deg
node 280.7160073174371 4.0767e-05 deg
peri 178.6174846502395 7.1353e-05 deg
M 112.3024021637793 5.5884e-05 deg
tp 2458433.962097432565
(2018-Nov-11.46209743)
0.00028029 TDB
period 1816.11115162822
4.97
3.1698e-05
8.678e-08
d
yr
n .1982257526898862 3.4598e-09 deg/d
Q 3.131534687163136 3.6438e-08 au
  Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      7296 days (19.98 yr)  
   first obs. used      2000-05-03  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50079  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 18:45:25  

Additional Information
 Earth MOID = 1.71165 au 
 Jupiter MOID = 2.02155 au 
 T_jup = 3.254 
[ 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 15.7   n/a MPO427597  
diameter diameter 4.423 km 0.312 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

295931 (2008 XE5)          Discovered 2008-Dec-07 by Kugel, F. at Chante-Perdrix
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

Alternate Designations
 2008 XE5 = 2002 TD172 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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