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9505 Lohengrin (4131 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2009505
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2259606747939925 7.4417e-08  
a 3.070233626723574 3.2693e-08 AU
q 2.376481564653908 2.2484e-07 AU
i 3.303983876312762 8.2156e-06 deg
node 50.56270762753647 9.8924e-05 deg
peri 142.4499996470475 0.00010005 deg
M 27.68434626303569 1.4183e-05 deg
tp 2456649.392042739243
(2013-Dec-22.89204274)
7.7777e-05 JED
period 1964.968365047004
5.38
3.1386e-05
8.593e-08
d
yr
n .1832090563918002 2.9264e-09 deg/d
Q 3.763985688793239 4.0081e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      825  
   data-arc span      14886 days (40.76 yr)  
   first obs. used      1973-09-19  
   last obs. used      2014-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55417  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:21:56  

Additional Information
 Earth MOID = 1.37747 AU 
 T_jup = 3.189 
[ 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 MPO279616  

9505 Lohengrin           Discovered 1973 Sept. 29 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Lohengrin, the knight of the Holy Grail, was the title character of an opera by Wagner.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20001111/MPCPages.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 4131 T-2 = 1996 YN = 1998 KS45 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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