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86144 (1999 RK191)
Classification: Main-belt Asteroid          SPK-ID: 2086144
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09948306833611116 6.1211e-08  
a 3.096778294140521 2.7271e-08 au
q 2.788701287482754 1.9179e-07 au
i 9.803532121653619 6.9889e-06 deg
node 17.38173759575722 2.6898e-05 deg
peri 5.668728536120682 3.8718e-05 deg
M 260.4752948032177 3.2175e-05 deg
tp 2459550.790477141791
(2021-Dec-02.29047714)
0.00018286 TDB
period 1990.506491622841
5.45
2.6293e-05
7.199e-08
d
yr
n .1808584907987391 2.389e-09 deg/d
Q 3.404855300798288 2.9984e-08 au
  Orbit Determination Parameters
   # obs. used (total)      658  
   data-arc span      8068 days (22.09 yr)  
   first obs. used      1997-04-28  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52859  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:45:08  

Additional Information
 Earth MOID = 1.79193 au 
 Jupiter MOID = 2.06044 au 
 T_jup = 3.193 
[ 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 14.6   n/a MPO348044  
diameter diameter 4.226 km 0.199 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.108   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

86144 (1999 RK191)          Discovered 1999-Sep-11 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1999 RK191 = 2002 GJ33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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