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86145 (1999 RU191)
Classification: Main-belt Asteroid          SPK-ID: 2086145
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 .1112224087425737 3.9344e-08  
a 3.044608267627556 1.9867e-08 au
q 2.705979602424465 1.1782e-07 au
i 4.898272840653946 5.8235e-06 deg
node 347.541057072834 4.7837e-05 deg
peri 250.4193605146495 5.4957e-05 deg
M 64.1354076043808 2.5973e-05 deg
tp 2458654.806734680647
(2019-Jun-20.30673468)
0.00014039 TDB
period 1940.419187520165
5.31
1.8992e-05
5.2e-08
d
yr
n .1855269223863305 1.8159e-09 deg/d
Q 3.383236932830647 2.2076e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1187  
   data-arc span      7634 days (20.90 yr)  
   first obs. used      1999-09-05  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46772  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:58:56  

Additional Information
 Earth MOID = 1.69931 au 
 Jupiter MOID = 1.65598 au 
 T_jup = 3.224 
[ 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 MPO474747  
diameter diameter 5.959 km 0.225 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.086   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

86145 (1999 RU191)          Discovered 1999-Sep-11 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1999 RU191 = 2002 AU115 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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