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JPL Small-Body Database Browser
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295005 (2008 ET42)
Classification: Main-belt Asteroid          SPK-ID: 2295005
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1334226749113462 7.2474e-08  
a 3.158193205375059 5.9812e-08 au
q 2.73681862002708 2.4001e-07 au
i 7.450668553095923 7.4348e-06 deg
node 169.0807874725476 6.2948e-05 deg
peri 120.4196606078351 7.2509e-05 deg
M 274.2411273069323 3.9847e-05 deg
tp 2459088.852068882912
(2020-Aug-27.35206888)
0.00023472 TDB
period 2050.012310995075
5.61
5.8237e-05
1.594e-07
d
yr
n .1756087015034832 4.9887e-09 deg/d
Q 3.579567790723037 6.7792e-08 au
  Orbit Determination Parameters
   # obs. used (total)      201  
   data-arc span      6279 days (17.19 yr)  
   first obs. used      2002-02-14  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64632  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:33:01  

Additional Information
 Earth MOID = 1.72982 au 
 Jupiter MOID = 1.66833 au 
 T_jup = 3.179 
[ 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 15.6   n/a MPO433901  
diameter diameter 3.965 km 0.788 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

295005 (2008 ET42)          Discovered 2008-Mar-04 by Mt. Lemmon Survey at Mount Lemmon
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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