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

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .17769759989731 3.4811e-08  
a 2.438355345670383 7.7767e-09 au
q 2.005065453047981 8.4018e-08 au
i 2.721451142887908 3.2982e-06 deg
node 38.02917200911715 7.7863e-05 deg
peri 278.1793739036247 7.8352e-05 deg
M 188.5406629238069 8.8426e-06 deg
tp 2459662.872908052715
(2022-Mar-24.37290805)
3.5079e-05 TDB
period 1390.733517142978
3.81
6.6533e-06
1.822e-08
d
yr
n .258856204702363 1.2384e-09 deg/d
Q 2.871645238292786 9.1586e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1773  
   data-arc span      9559 days (26.17 yr)  
   first obs. used      1994-03-10  
   last obs. used      2020-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49031  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:58:31  

Additional Information
 Earth MOID = .993775 au 
 Jupiter MOID = 2.41918 au 
 T_jup = 3.480 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456710.5 (2014-Feb-22.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1790442887722027 3.4914e-08  
q 2.001308436708964 8.4396e-08 au
tp 2456880.960248241944
(2014-Aug-11.46024824)
3.2665e-05 TDB
node 38.05618280739127 7.788e-05 deg
peri 278.0501640799514 7.8357e-05 deg
i 2.722638585736462 3.2979e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1773  
   data-arc span      9559 days (26.17 yr)  
   first obs. used      1994-03-10  
   last obs. used      2020-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49031  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:58:31  

Additional Information
 Jupiter MOID = 2.41918 au 
 T_jup = 3.480 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.218974437602178E-15 -2.938469013130933E-15 1.916611504960227E-13 -4.103026228371736E-15 4.182043639797227E-14 -9.811956780601556E-16
q -2.938469013130933E-15 7.12260225095831E-15 -4.775385781182467E-13 1.005898220366882E-14 -1.074437973167652E-13 2.389365420701405E-15
tp 1.916611504960227E-13 -4.775385781182467E-13 1.067026609771198E-9 -9.376823039299775E-13 2.955480112996711E-10 -2.544955490342708E-13
node -4.103026228371736E-15 1.005898220366882E-14 -9.376823039299775E-13 6.065326259883517E-9 -6.058663604652435E-9 -5.238528796564504E-11
peri 4.182043639797227E-14 -1.074437973167652E-13 2.955480112996711E-10 -6.058663604652435E-9 6.139869573997144E-9 5.226942864779995E-11
i -9.811956780601556E-16 2.389365420701405E-15 -2.544955490342708E-13 -5.238528796564504E-11 5.226942864779995E-11 1.087601793951816E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3   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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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