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12135 Terlingen (3021 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2012135
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08865774408948679 6.7563e-08  
a 3.156203538330582 3.792e-08 AU
q 2.876381652734937 2.1477e-07 AU
i 12.24245093458546 7.6594e-06 deg
node 300.1107696220424 2.968e-05 deg
peri 255.6155424100788 5.6741e-05 deg
M 61.89144582922155 4.5136e-05 deg
tp 2456648.393487396826
(2013-Dec-21.89348740)
0.00025936 JED
period 2048.075349328723
5.61
3.6909e-05
1.011e-07
d
yr
n .1757747829531728 3.1677e-09 deg/d
Q 3.436025423926228 4.1281e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      891  
   data-arc span      19669 days (53.85 yr)  
   first obs. used      1960-09-24  
   last obs. used      2014-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54186  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:19:56  

Additional Information
 Earth MOID = 1.90928 AU 
 T_jup = 3.165 
[ 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 12.9 mag n/a MPO263458  

12135 Terlingen           Discovered 1960 Sept. 24 by C. J. van Houten and I. van Houten-Groeneveld at Leiden on Palomar Schmidt plates taken by T. Gehrels.
Dutch journalist Henk Terlingen (1941-1994) presented the Apollo moon missions on Dutch television. Since the 1960s, his broadcasts in collaboration with Chriet Titulaer promoted a great interest in astronomy and space science in the Netherlands. The name was suggested by C. E. Koppeschaar.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070926/MPCPages.arcLast Updated: 2007-09-30

[ show close-approach data ]
Alternate Designations
 3021 P-L = 1998 MF34 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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