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117191 (2004 RY139)
Classification: Outer Main-belt Asteroid          SPK-ID: 2117191
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02176570825917507 5.456e-08  
a 3.243819866390161 3.4003e-08 au
q 3.173215829532996 1.9417e-07 au
i 22.91055351800575 5.2823e-06 deg
node 169.4056165764333 1.3431e-05 deg
peri 162.8326653652622 0.00012934 deg
M 266.3415425636621 0.00013075 deg
tp 2459555.672595949749
(2021-Dec-07.17259595)
0.00077694 TDB
period 2133.946469038967
5.84
3.3553e-05
9.186e-08
d
yr
n .1687015139429096 2.6526e-09 deg/d
Q 3.314423903247325 3.4743e-08 au
  Orbit Determination Parameters
   # obs. used (total)      425  
   data-arc span      7502 days (20.54 yr)  
   first obs. used      1999-10-13  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58523  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:09:35  

Additional Information
 Earth MOID = 2.16833 au 
 Jupiter MOID = 1.78818 au 
 T_jup = 3.058 
[ 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 14.6   n/a MPO475028  
diameter diameter 7.163 km 0.200 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117191 (2004 RY139)          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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