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308858 (2006 RB121)
Classification: Main-belt Asteroid          SPK-ID: 2308858
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06401091639068862 1.0248e-07  
a 2.77706411995537 4.8308e-08 au
q 2.599301700761326 2.9243e-07 au
i 4.556355210377243 1.2161e-05 deg
node 29.2976467875225 0.00010282 deg
peri 22.58311280726728 0.00014415 deg
M 310.4955137512046 0.0001023 deg
tp 2459232.944537668459
(2021-Jan-18.44453767)
0.00048364 TDB
period 1690.352529669598
4.63
4.4107e-05
1.208e-07
d
yr
n .2129733257892464 5.5572e-09 deg/d
Q 2.954826539149415 5.1401e-08 au
  Orbit Determination Parameters
   # obs. used (total)      96  
   data-arc span      5138 days (14.07 yr)  
   first obs. used      2004-03-29  
   last obs. used      2018-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66386  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 06:41:30  

Additional Information
 Earth MOID = 1.61033 au 
 Jupiter MOID = 2.28138 au 
 T_jup = 3.327 
[ 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 16.8   n/a MPO450235  

308858 (2006 RB121)          Discovered 2006-Sep-14 by Spacewatch at Kitt Peak
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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