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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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0692283435880217 4.3565e-08  
a 2.129365251456544 6.8464e-09 au
q 1.981952822204316 9.2125e-08 au
i 2.362237859940283 4.8771e-06 deg
node 176.7367693747483 7.5924e-05 deg
peri 162.713399164615 8.1867e-05 deg
M 216.7585411289418 3.2006e-05 deg
tp 2459452.085413620115
(2021-Aug-25.58541362)
0.00010137 TDB
period 1134.942007603976
3.11
5.4736e-06
1.499e-08
d
yr
n .3171968237919144 1.5298e-09 deg/d
Q 2.276777680708772 7.3203e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1641  
   data-arc span      10819 days (29.62 yr)  
   first obs. used      1990-09-14  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49654  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 03:28:33  

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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