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11291 (1991 RZ10)
Classification: Main-belt Asteroid          SPK-ID: 2011291
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2467288795954903 4.344e-08  
a 3.195119306432358 1.5203e-08 au
q 2.406791099782382 1.4034e-07 au
i 2.487542272097579 3.7989e-06 deg
node 82.07592345921756 0.00011211 deg
peri 241.1192215421355 0.00011231 deg
M 339.0817246151617 6.7191e-06 deg
tp 2458721.713899077060
(2019-Aug-26.21389908)
3.8985e-05 TDB
period 2086.070809612244
5.71
1.4889e-05
4.076e-08
d
yr
n .1725732407266253 1.2317e-09 deg/d
Q 3.983447513082333 1.8954e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1431  
   data-arc span      10305 days (28.21 yr)  
   first obs. used      1991-09-10  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52014  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 22:34:30  

Additional Information
 Earth MOID = 1.39486 au 
 Jupiter MOID = 1.36301 au 
 T_jup = 3.146 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8   n/a MPO412265  
diameter diameter 8.314 km 0.351 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11291 (1991 RZ10)          Discovered 1991-Sep-10 by Holt, H. E. at Palomar
Reference: 19990831/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RZ10 = 1997 WJ54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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