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332564 (2008 RB117)
Classification: Main-belt Asteroid          SPK-ID: 2332564
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06098549736662199 3.842e-08  
a 2.72235316204868 2.4601e-08 au
q 2.556329100453545 1.0858e-07 au
i 5.353194886254502 7.3238e-06 deg
node 23.02339974862846 4.5838e-05 deg
peri 100.5725132348146 8.2747e-05 deg
M 132.4642367271995 6.6881e-05 deg
tp 2458396.813778454908
(2018-Oct-05.31377845)
0.00030386 TDB
period 1640.646903086774
4.49
2.2239e-05
6.089e-08
d
yr
n .2194256419968749 2.9743e-09 deg/d
Q 2.888377223643815 2.6101e-08 au
  Orbit Determination Parameters
   # obs. used (total)      311  
   data-arc span      7119 days (19.49 yr)  
   first obs. used      1999-10-10  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60594  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:23:42  

Additional Information
 Earth MOID = 1.57843 au 
 Jupiter MOID = 2.14257 au 
 T_jup = 3.349 
[ 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 MPO434082  
diameter diameter 2.856 km 0.680 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.104   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

332564 (2008 RB117)          Discovered 2008-Sep-07 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

[ show close-approach data ]
Alternate Designations
 2008 RB117 = 2001 DO97 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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