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13530 Ninnemann (1991 RS2)
Classification: Main-belt Asteroid          SPK-ID: 2013530
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06453254765783697 4.8602e-08  
a 2.305753901197257 1.3918e-08 AU
q 2.156957727681001 1.0839e-07 AU
i 6.482587833806643 6.5462e-06 deg
node 210.0933569174621 4.4898e-05 deg
peri 243.1610538903022 7.4403e-05 deg
M 143.7003676575768 6.2107e-05 deg
tp 2456490.026462517149
(2013-Jul-16.52646252)
0.00021897 JED
period 1278.844838669671
3.50
1.1579e-05
3.17e-08
d
yr
n .281504048899703 2.5487e-09 deg/d
Q 2.454550074713512 1.4816e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1116  
   data-arc span      8691 days (23.79 yr)  
   first obs. used      1991-09-09  
   last obs. used      2015-06-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49049  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:12:14  

Additional Information
 Earth MOID = 1.18186 AU 
 T_jup = 3.577 
[ 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 13.7 mag n/a MPO263470  

13530 Ninnemann           Discovered 1991 Sept. 9 by L. D. Schmadel and F. Börngen at Tautenburg.
Olaf Ninnemann (b. 1947), German mathematician and leading expert in the field of information and documentation, is especially interested in number theory. He played a key role in the establishment of the Zentralblatt für Mathematik and has been its executive editor since 1978.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000523/MPCPages.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 1991 RS2 = 1997 JX16 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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