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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06931319403966167 4.3553e-08  
a 2.129414047632366 6.7721e-09 au
q 1.981817558558043 9.2159e-08 au
i 2.362260736029928 4.8766e-06 deg
node 176.7348813848535 7.5554e-05 deg
peri 162.6666365281605 8.1491e-05 deg
M 280.2565510189223 3.2004e-05 deg
tp 2459451.909169627389
(2021-Aug-25.40916963)
0.00010116 TDB
period 1134.981020037601
3.11
5.4143e-06
1.482e-08
d
yr
n .3171859208606619 1.5131e-09 deg/d
Q 2.27701053670669 7.2414e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1673  
   data-arc span      10844 days (29.69 yr)  
   first obs. used      1990-09-14  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49679  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:29:36  

Additional Information
 Earth MOID = .970968 au 
 Jupiter MOID = 2.92701 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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