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86146 (1999 RA194)
Classification: Main-belt Asteroid          SPK-ID: 2086146
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1663957869699233 4.8443e-08  
a 3.09101594254546 2.4939e-08 au
q 2.576683912249029 1.6073e-07 au
i 3.776616902913608 4.3083e-06 deg
node 262.6493302768807 7.1747e-05 deg
peri 130.4711756859626 7.3284e-05 deg
M 273.9178480248623 1.8232e-05 deg
tp 2459475.136255462691
(2021-Sep-17.63625546)
0.00010469 TDB
period 1984.953303861633
5.43
2.4023e-05
6.577e-08
d
yr
n .181364468020299 2.1949e-09 deg/d
Q 3.605347972841892 2.9089e-08 au
  Orbit Determination Parameters
   # obs. used (total)      919  
   data-arc span      8893 days (24.35 yr)  
   first obs. used      1996-03-24  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54239  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:58:56  

Additional Information
 Earth MOID = 1.58507 au 
 Jupiter MOID = 1.84518 au 
 T_jup = 3.200 
[ 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 14.3   n/a MPO348044  
diameter diameter 7.302 km 0.143 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.083   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

86146 (1999 RA194)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1999 RA194 = 1996 FN4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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