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JPL Small-Body Database Browser
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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06922833817482128 4.3985e-08  
a 2.129365254359115 7.4609e-09 au
q 1.981952836432628 9.3448e-08 au
i 2.362240236524168 5.0883e-06 deg
node 176.7368409653608 8.7485e-05 deg
peri 162.7133120530954 9.4037e-05 deg
M 216.7585545536212 3.4933e-05 deg
tp 2459452.085372220591
(2021-Aug-25.58537222)		 0.00011018 TDB
period 1134.942009924562
3.11		 5.9649e-06
1.633e-08		 d
yr
n .3171968231433505 1.6671e-09 deg/d
Q 2.276777672285602 7.9774e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1498  
   data-arc span      10734 days (29.39 yr)  
   first obs. used      1990-09-14  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50376  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 19:55:27  

Additional Information
 Earth MOID = .972998 au 
 Jupiter MOID = 2.9282 au 
 T_jup = 3.719 
[ 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 15.1   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

[ show close-approach data ]
Alternate Designations
 1990 RK2 = 1993 PN6 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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