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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1790011469378868 4.6052e-08  
a 2.437695191055608 1.262e-08 AU
q 2.001344955971683 1.1199e-07 AU
i 2.722592108669936 5.0974e-06 deg
node 38.05063432316525 0.00010918 deg
peri 278.0182836202458 0.00011043 deg
M 30.98183005292224 1.415e-05 deg
tp 2456880.861187331697
(2014-Aug-11.36118733)
5.4765e-05 JED
period 1390.168769469662
3.81
1.0796e-05
2.956e-08
d
yr
n .2589613634733984 2.011e-09 deg/d
Q 2.874045426139533 1.488e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      911  
   data-arc span      7510 days (20.56 yr)  
   first obs. used      1994-03-10  
   last obs. used      2014-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53187  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:20:59  

Additional Information
 Earth MOID = .990919 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 14.2 mag n/a MPO259426  

11599 (1995 QR)          Discovered 1995-Aug-16 by Shimizu, Y., Urata, T. at Nachi-Katsuura (905)
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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