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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1418502949595611 5.4188e-08  
a 2.224918671192083 1.1009e-08 AU
q 1.909313301422451 1.2409e-07 AU
i 7.34576184378203 6.6281e-06 deg
node 239.4742483263312 3.8976e-05 deg
peri 56.06310110807765 4.5514e-05 deg
M 258.1451864766092 2.3208e-05 deg
tp 2457343.464125757934
(2015-Nov-16.96412576)
7.8564e-05 JED
period 1212.187043516624
3.32
8.9972e-06
2.463e-08
d
yr
n .2969838705383449 2.2043e-09 deg/d
Q 2.540524040961714 1.2571e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      996  
   data-arc span      16739 days (45.83 yr)  
   first obs. used      1969-08-22  
   last obs. used      2015-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54176  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:06:57  

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-May); 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
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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