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11436 (1969 QR)
Classification: Main-belt Asteroid          SPK-ID: 2011436
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1415881634776824 6.4421e-08  
a 2.225815315430956 1.2188e-08 AU
q 1.910666212678589 1.4401e-07 AU
i 7.345869828907744 6.8768e-06 deg
node 239.5059167324917 4.4591e-05 deg
peri 55.87746634736315 5.0517e-05 deg
M 198.9353825087519 2.333e-05 deg
tp 2457343.162437484843
(2015-Nov-16.66243748)
7.9421e-05 JED
period 1212.919886052309
3.32
9.9621e-06
2.727e-08
d
yr
n .2968044337797875 2.4377e-09 deg/d
Q 2.540964418183324 1.3913e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      906  
   data-arc span      16275 days (44.56 yr)  
   first obs. used      1969-08-22  
   last obs. used      2014-03-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54726  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 20:05:48  

Additional Information
 Earth MOID = .905268 AU 
 T_jup = 3.622 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2 mag n/a MPO247468  
rotation period rot_per 2.65 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Szekely, P.; Kiss, L.L.; Szabo, Gy.M.; Sarneczky, K.; et al. (2005) Planet. Space Sci. 53, 925-936.]

11436 (1969 QR)          Discovered 1969-Aug-22 by Kohoutek, L. at Bergedorf (029)
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1969 QR = 1988 DP 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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