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117189 (2004 RB137)
Classification: Main-belt Asteroid          SPK-ID: 2117189
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2436812331687573 8.3707e-08  
a 2.886434907335397 1.9409e-08 au
q 2.18306488965456 2.3289e-07 au
i 17.25998451643626 7.9579e-06 deg
node 172.523028767119 1.0821e-05 deg
peri 161.407162098542 1.656e-05 deg
M 65.45112916139225 1.0424e-05 deg
tp 2458674.846521423605
(2019-Jul-10.34652142)
5.0356e-05 TDB
period 1791.187620284112
4.90
1.8067e-05
4.946e-08
d
yr
n .2009839705920355 2.0272e-09 deg/d
Q 3.589804925016233 2.4139e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1017  
   data-arc span      10077 days (27.59 yr)  
   first obs. used      1993-03-18  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49914  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:20:35  

Additional Information
 Earth MOID = 1.18063 au 
 Jupiter MOID = 1.87253 au 
 T_jup = 3.182 
[ 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 14.5   n/a MPO401038  
diameter diameter 6.426 km 1.713 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.072   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

117189 (2004 RB137)          Discovered 2004-Sep-08 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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