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11049 (1990 RK2)
Classification: Main-belt Asteroid          SPK-ID: 2011049
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06941717814427172 4.2114e-08  
a 2.130098001972053 6.6549e-09 au
q 1.982232609504402 8.9431e-08 au
i 2.362631297030187 4.7421e-06 deg
node 176.716327940089 7.4249e-05 deg
peri 162.3950655244224 7.9831e-05 deg
M 342.6850023657439 3.0478e-05 deg
tp 2459451.115729660576
(2021-Aug-24.61572966)
9.6178e-05 TDB
period 1135.527887044501
3.11
5.3215e-06
1.457e-08
d
yr
n .3170331650215929 1.4857e-09 deg/d
Q 2.277963394439704 7.1169e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1726  
   data-arc span      11243 days (30.78 yr)  
   first obs. used      1990-09-14  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49987  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 02:34:35  

Additional Information
 Earth MOID = .972426 au 
 Jupiter MOID = 2.92461 au 
 T_jup = 3.718 
[ 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 15.1   n/a MPO452326  
diameter diameter 4.718 km 0.084 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.095   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11049 (1990 RK2)          Discovered 1990-Sep-14 by Holt, H. E. at Palomar
Reference: 19990728/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 RK2 = 1993 PN6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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