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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1790652220132263 4.8529e-08  
a 2.437909595200801 2.4641e-08 AU
q 2.001364772287995 1.1947e-07 AU
i 2.722580153687915 7.22e-06 deg
node 38.0545511080129 0.00011647 deg
peri 278.0357393467973 0.00012051 deg
M 339.1775837829927 3.9243e-05 deg
tp 2456880.918032670124
(2014-Aug-11.41803267)
0.00015252 JED
period 1390.352179090464
3.81
2.1079e-05
5.771e-08
d
yr
n .2589272023405634 3.9256e-09 deg/d
Q 2.874454418113607 2.9053e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      853  
   data-arc span      6967 days (19.07 yr)  
   first obs. used      1994-03-10  
   last obs. used      2013-04-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53315  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 16:54:13  

Additional Information
 Earth MOID = .989047 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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