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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 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1791031826559618 4.8519e-08  
a 2.43715923075757 2.4515e-08 AU
q 2.000656255889533 1.1937e-07 AU
i 2.72305738709195 7.221e-06 deg
node 38.05604003043456 0.00011645 deg
peri 278.135554753202 0.00012049 deg
M 235.488348869079 3.8037e-05 deg
tp 2456881.153130489067
(2014-Aug-11.65313049)		 0.0001525 JED
period 1389.710323527249
3.80		 2.0968e-05
5.741e-08		 d
yr
n .2590467911947847 3.9086e-09 deg/d
Q 2.873662205625606 2.8906e-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.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .53311  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 13:45:13  

Additional Information
 Earth MOID = .989232 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 14.4 mag n/a PDS3 (MPC 35858)  

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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