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295090 (2008 EK149)
Classification: Main-belt Asteroid          SPK-ID: 2295090
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02151556523554236 4.696e-08  
a 2.794784212452639 2.8461e-08 au
q 2.734652850410351 1.3371e-07 au
i 3.295896494783747 4.8461e-06 deg
node 259.5918272202096 0.00010081 deg
peri 214.5954436465443 0.0001689 deg
M 291.7753934650446 0.00013799 deg
tp 2459323.914425910724
(2021-Apr-19.41442591)
0.00065592 TDB
period 1706.557197485739
4.67
2.6068e-05
7.137e-08
d
yr
n .2109510308417356 3.2224e-09 deg/d
Q 2.854915574494928 2.9073e-08 au
  Orbit Determination Parameters
   # obs. used (total)      239  
   data-arc span      7918 days (21.68 yr)  
   first obs. used      1998-01-27  
   last obs. used      2019-10-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58919  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 06:58:28  

Additional Information
 Earth MOID = 1.75194 au 
 Jupiter MOID = 2.16214 au 
 T_jup = 3.325 
[ 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 MPO455182  
diameter diameter 3.434 km 0.976 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

295090 (2008 EK149)          Discovered 2008-Mar-04 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

Alternate Designations
 2008 EK149 = 2001 WV61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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