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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1778249343688366 3.3702e-08  
a 2.4379733077164 7.5948e-09 au
q 2.004440864278756 8.1624e-08 au
i 2.72164940234694 3.2954e-06 deg
node 38.0224699466761 7.6324e-05 deg
peri 278.2304660000275 7.6814e-05 deg
M 240.265282990447 8.8962e-06 deg
tp 2459662.944307481798
(2022-Mar-24.44430748)
3.5014e-05 TDB
period 1390.406682801653
3.81
6.4971e-06
1.779e-08
d
yr
n .258917052437208 1.2099e-09 deg/d
Q 2.871505751154045 8.9454e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1837  
   data-arc span      9871 days (27.03 yr)  
   first obs. used      1994-03-10  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48842  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 01:00:24  

Additional Information
 Earth MOID = .991179 au 
 Jupiter MOID = 2.41922 au 
 T_jup = 3.480 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.37   n/a MPCxxxxx  

11599 (1995 QR)          Discovered 1995-Aug-16 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1995 QR = 1998 HD21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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