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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2512715184763136 7.5843e-08  
a 3.187906999534177 3.9707e-08 AU
q 2.386876766999956 2.2876e-07 AU
i 2.487861618247424 6.7607e-06 deg
node 82.15392049961903 0.00019287 deg
peri 241.4602710236992 0.00019412 deg
M 62.21322279575545 2.3197e-05 deg
tp 2456641.216650849355
(2013-Dec-14.71665085)
0.0001291 JED
period 2079.011500800382
5.69
3.8842e-05
1.063e-07
d
yr
n .1731592152623525 3.2352e-09 deg/d
Q 3.988937232068399 4.9684e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      745  
   data-arc span      8589 days (23.52 yr)  
   first obs. used      1991-09-10  
   last obs. used      2015-03-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53554  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:40:44  

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
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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