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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2464757779349256 3.6456e-08  
a 3.195043745597845 1.4236e-08 au
q 2.407542852865498 1.1597e-07 au
i 2.487314623028066 3.7018e-06 deg
node 82.07689460187902 9.0779e-05 deg
peri 241.2386039299396 9.1029e-05 deg
M 82.56060651226574 6.6287e-06 deg
tp 2458722.107883764017
(2019-Aug-26.60788376)
3.7934e-05 TDB
period 2085.99681034765
5.71
1.3941e-05
3.817e-08
d
yr
n .1725793626405415 1.1534e-09 deg/d
Q 3.982544638330192 1.7745e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1648  
   data-arc span      10787 days (29.53 yr)  
   first obs. used      1991-09-10  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50725  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 00:55:50  

Additional Information
 Earth MOID = 1.39456 au 
 Jupiter MOID = 1.36761 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 13.91   n/a E2021B10  
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

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