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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1418503611973886 6.411e-08  
a 2.22491868099099 1.2117e-08 AU
q 1.909313162457601 1.4341e-07 AU
i 7.345764768144505 6.8597e-06 deg
node 239.4742820876361 4.4541e-05 deg
peri 56.06306319168607 5.0438e-05 deg
M 258.1451812854343 2.3366e-05 deg
tp 2457343.464145503292
(2015-Nov-16.96414550)
7.9231e-05 JED
period 1212.187051524631
3.32
9.9026e-06
2.711e-08
d
yr
n .2969838685763961 2.4261e-09 deg/d
Q 2.54052419952438 1.3836e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      910  
   data-arc span      16587 days (45.41 yr)  
   first obs. used      1969-08-22  
   last obs. used      2015-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54649  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:32:12  

Additional Information
 Earth MOID = .905873 AU 
 T_jup = 3.623 
[ 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 LCDB (Rev. 2015-Feb); Warner et al., 2009 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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