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11599 (1995 QR)
Classification: Main-belt Asteroid          SPK-ID: 2011599
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1785319458836642 4.5207e-08  
a 2.437915919877447 1.1304e-08 au
q 2.002670046800963 1.0913e-07 au
i 2.72267034539157 4.4052e-06 deg
node 38.0451061414467 0.00010487 deg
peri 277.9735243497558 0.00010586 deg
M 186.4543075689823 1.2161e-05 deg
tp 2458270.751585032029
(2018-Jun-01.25158503)
4.6974e-05 JED
period 1390.357589586619
3.81
9.6702e-06
2.648e-08
d
yr
n .2589261947403295 1.8009e-09 deg/d
Q 2.873161792953931 1.3322e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1069  
   data-arc span      8028 days (21.98 yr)  
   first obs. used      1994-03-10  
   last obs. used      2016-03-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55517  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 16:11:19  

Additional Information
 Earth MOID = .990832 au 
 Jupiter MOID = 2.40721 au 
 T_jup = 3.480 
[ 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 14.3 mag n/a MPO319230  

11599 (1995 QR)          Discovered 1995-Aug-16 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 QR = 1998 HD21 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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