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226763 (2004 RB78)
Classification: Main-belt Asteroid          SPK-ID: 2226763
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1800015813580007 6.7057e-08  
a 2.754341212103908 2.3607e-08 au
q 2.258555438325692 1.791e-07 au
i 3.947703879043733 5.7918e-06 deg
node 56.31896954442937 8.3774e-05 deg
peri 312.6620083509997 8.4864e-05 deg
M 150.857196311529 1.52e-05 deg
tp 2458300.837546498604
(2018-Jul-01.33754650)
6.7371e-05 TDB
period 1669.64844514516
4.57
2.1466e-05
5.877e-08
d
yr
n .2156142516388841 2.772e-09 deg/d
Q 3.250126985882124 2.7856e-08 au
  Orbit Determination Parameters
   # obs. used (total)      289  
   data-arc span      6538 days (17.90 yr)  
   first obs. used      2002-03-09  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61553  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:57:35  

Additional Information
 Earth MOID = 1.26034 au 
 Jupiter MOID = 2.21533 au 
 T_jup = 3.317 
[ 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 16.4   n/a MPO470425  

226763 (2004 RB78)          Discovered 2004-Sep-08 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2004 RB78 = 2002 EL117 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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