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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06897286918380188 4.4567e-08  
a 2.129769929688287 7.9442e-09 au
q 1.982873586936302 9.5137e-08 au
i 2.361991165082066 5.402e-06 deg
node 176.7435601464466 9.5631e-05 deg
peri 162.7202663413742 0.00010302 deg
M 89.89469130318696 3.788e-05 deg
tp 2458317.015702485839
(2018-Jul-17.51570249)
0.00011968 TDB
period 1135.265560464524
3.11
6.352e-06
1.739e-08
d
yr
n .3171064220892039 1.7743e-09 deg/d
Q 2.276666272440272 8.4922e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1436  
   data-arc span      10643 days (29.14 yr)  
   first obs. used      1990-09-14  
   last obs. used      2019-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51165  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 22:30:58  

Additional Information
 Earth MOID = .973005 au 
 Jupiter MOID = 2.92784 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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