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186962 (2004 RK108)
Classification: Main-belt Asteroid          SPK-ID: 2186962
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05121230695301986 4.7495e-08  
a 3.176247835060701 4.0924e-08 au
q 3.013584855972707 1.382e-07 au
i 10.02317864609443 6.7046e-06 deg
node 203.4823358426053 2.8621e-05 deg
peri 259.1280460175598 7.3224e-05 deg
M 208.1552290655635 6.7187e-05 deg
tp 2460072.602115369345
(2023-May-08.10211537)
0.00038474 TDB
period 2067.616550776874
5.66
3.996e-05
1.094e-07
d
yr
n .1741135220961235 3.3651e-09 deg/d
Q 3.338910814148694 4.302e-08 au
  Orbit Determination Parameters
   # obs. used (total)      373  
   data-arc span      7612 days (20.84 yr)  
   first obs. used      1999-10-10  
   last obs. used      2020-08-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57905  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:53:26  

Additional Information
 Earth MOID = 2.05126 au 
 Jupiter MOID = 1.79261 au 
 T_jup = 3.175 
[ 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 15.19   n/a MPCxxxxx  
diameter diameter 4.487 km 1.265 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.080   0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

186962 (2004 RK108)          Discovered 2004-Sep-09 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2004 RK108 = 2005 XF28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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