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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 ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06462724078712034 5.3862e-08  
a 2.305589717287153 1.5342e-08 AU
q 2.156585815471728 1.2063e-07 AU
i 6.482851777274625 8.1429e-06 deg
node 210.0942278110249 4.8241e-05 deg
peri 243.1270130236758 8.2192e-05 deg
M 87.42249562516641 6.7052e-05 deg
tp 2456489.978149244754
(2013-Jul-16.47814925)
0.00023793 JED
period 1278.708248631922
3.50
1.2763e-05
3.494e-08
d
yr
n .281534118814953 2.8101e-09 deg/d
Q 2.454593619102579 1.6334e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1007  
   data-arc span      8243 days (22.57 yr)  
   first obs. used      1991-09-09  
   last obs. used      2014-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54458  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:04:03  

Additional Information
 Earth MOID = 1.18111 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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