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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06430088209507122 4.7864e-08  
a 2.306167974385154 1.3517e-08 au
q 2.157879339372785 1.0703e-07 au
i 6.482427291086451 5.9044e-06 deg
node 210.0817339659702 4.4501e-05 deg
peri 243.2279066969791 7.235e-05 deg
M 256.2152791204166 6.0811e-05 deg
tp 2457769.278635437832
(2017-Jan-15.77863544)
0.00021758 JED
period 1279.189341479804
3.50
1.1246e-05
3.079e-08
d
yr
n .2814282360917277 2.4742e-09 deg/d
Q 2.454456609397523 1.4386e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1163  
   data-arc span      8854 days (24.24 yr)  
   first obs. used      1991-09-09  
   last obs. used      2015-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49238  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:24:28  

Additional Information
 Earth MOID = 1.18261 au 
 Jupiter MOID = 2.66328 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 13.8 mag n/a MPO344412  

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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