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

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2512715154966261 7.6525e-08  
a 3.187907002792019 4.0443e-08 AU
q 2.386876778938161 2.3192e-07 AU
i 2.48786129691026 6.7681e-06 deg
node 82.1539473081189 0.0002018 deg
peri 241.4602444907773 0.00020301 deg
M 62.21322165111819 2.3298e-05 deg
tp 2456641.216656908924
(2013-Dec-14.71665691)
0.00012959 JED
period 2079.011503987312
5.69
3.9563e-05
1.083e-07
d
yr
n .1731592149969157 3.2952e-09 deg/d
Q 3.988937226645876 5.0606e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      674  
   data-arc span      8532 days (23.36 yr)  
   first obs. used      1991-09-10  
   last obs. used      2015-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54284  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:31:44  

Additional Information
 Earth MOID = 1.37667 AU 
 T_jup = 3.146 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8 mag n/a MPO319227  

11291 (1991 RZ10)          Discovered 1991-Sep-10 by Holt, H. E. at Palomar (675)
Reference: 19990831/Numbers.arcLast Updated: 2004-04-19

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