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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1779118535620193 2.994e-08  
a 2.437580756006466 6.9576e-09 au
q 2.003906245498247 7.3614e-08 au
i 2.72182695536831 3.2902e-06 deg
node 38.02125387729728 6.8025e-05 deg
peri 278.2826768971313 6.8579e-05 deg
M 290.9725705159976 8.9326e-06 deg
tp 2459663.036165799502
(2022-Mar-24.53616580)
3.4844e-05 TDB
period 1390.070880591874
3.81
5.9515e-06
1.629e-08
d
yr
n .2589795995487055 1.1088e-09 deg/d
Q 2.871255266514684 8.1954e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2083  
   data-arc span      9967 days (27.29 yr)  
   first obs. used      1994-03-10  
   last obs. used      2021-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47004  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 02:44:53  

Additional Information
 Earth MOID = .991993 au 
 Jupiter MOID = 2.41894 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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