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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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1790011482947087 4.6083e-08  
a 2.437695190057982 1.4021e-08 AU
q 2.001344951845115 1.1231e-07 AU
i 2.722595350122055 5.9338e-06 deg
node 38.05065616697676 0.00011064 deg
peri 278.0182606678109 0.00011209 deg
M 30.98183176915589 1.74e-05 deg
tp 2456880.861180777767
(2014-Aug-11.36118078)
6.7032e-05 JED
period 1390.168768616273
3.81
1.1994e-05
3.284e-08
d
yr
n .2589613636323681 2.2342e-09 deg/d
Q 2.874045428270849 1.6531e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      881  
   data-arc span      7454 days (20.41 yr)  
   first obs. used      1994-03-10  
   last obs. used      2014-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53294  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:18:58  

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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