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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2464469745690487 4.2144e-08  
a 3.194128562048232 1.4813e-08 au
q 2.406945241546859 1.3576e-07 au
i 2.487477096539398 3.7359e-06 deg
node 82.07537466678663 0.00010925 deg
peri 241.1780412185198 0.00010946 deg
M 48.09870117234775 6.6797e-06 deg
tp 2458721.914913482711
(2019-Aug-26.41491348)
3.8538e-05 TDB
period 2085.100609824407
5.71
1.4505e-05
3.971e-08
d
yr
n .172653539260303 1.2011e-09 deg/d
Q 3.981311882549605 1.8464e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1530  
   data-arc span      10655 days (29.17 yr)  
   first obs. used      1991-09-10  
   last obs. used      2020-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51604  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:45:26  

Additional Information
 Earth MOID = 1.3959 au 
 Jupiter MOID = 1.36844 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 13.9   n/a MPO502256  
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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