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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1788314469373121 4.534e-08  
a 2.437323374327843 1.1567e-08 au
q 2.001453308642663 1.0956e-07 au
i 2.722681969983482 4.4562e-06 deg
node 38.04913728940183 0.00010523 deg
peri 277.9691794244436 0.00010627 deg
M 134.6500790801116 1.2307e-05 deg
tp 2456880.656917649695
(2014-Aug-11.15691765)
4.8063e-05 JED
period 1389.850722143034
3.81
9.8938e-06
2.709e-08
d
yr
n .2590206230528916 1.8439e-09 deg/d
Q 2.873193440013023 1.3635e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1045  
   data-arc span      7955 days (21.78 yr)  
   first obs. used      1994-03-10  
   last obs. used      2015-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55658  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:18:13  

Additional Information
 Earth MOID = .988182 au 
 Jupiter MOID = 2.40609 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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