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

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06947639624875163 4.9457e-08  
a 2.129630917134587 1.523e-08 AU
q 1.981671835672152 1.0331e-07 AU
i 2.361478994222885 6.2947e-06 deg
node 176.7510497697835 0.00020502 deg
peri 162.3984933115682 0.00022379 deg
M 302.832480343651 9.1833e-05 deg
tp 2457180.761006023159
(2015-Jun-07.26100602)
0.00029018 JED
period 1135.154412128324
3.11
1.2177e-05
3.334e-08
d
yr
n .3171374714784648 3.4021e-09 deg/d
Q 2.277589998597022 1.6289e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      752  
   data-arc span      8688 days (23.79 yr)  
   first obs. used      1990-09-14  
   last obs. used      2014-06-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53299  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:18:01  

Additional Information
 Earth MOID = .973196 AU 
 T_jup = 3.719 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9 mag n/a MPO259421  

11049 (1990 RK2)          Discovered 1990-Sep-14 by Holt, H. E. at Palomar (675)
Reference: 19990728/Numbers.arcLast Updated: 2004-04-19

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