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52309 Philnicolai (1991 TQ7)
Classification: Main-belt Asteroid          SPK-ID: 2052309
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0434947905159573 5.3025e-08  
a 2.785872722183892 2.7487e-08 au
q 2.664701771728384 1.5009e-07 au
i 18.25865185931693 9.4624e-06 deg
node .9969191084942992 1.698e-05 deg
peri 262.6017004108607 0.00011974 deg
M 175.5616421474414 0.00012011 deg
tp 2456572.238514374555
(2013-Oct-06.73851437)
0.00056753 JED
period 1698.401377305103
4.65
2.5136e-05
6.882e-08
d
yr
n .211964029710822 3.1371e-09 deg/d
Q 2.9070436726394 2.8683e-08 au
  Orbit Determination Parameters
   # obs. used (total)      967  
   data-arc span      8865 days (24.27 yr)  
   first obs. used      1991-09-10  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4966  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 15:09:53  

Additional Information
 Earth MOID = 1.71828 au 
 Jupiter MOID = 2.15874 au 
 T_jup = 3.256 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.3 mag n/a MPO319705  
rotation period rot_per 4.6408 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

52309 Philnicolai           Discovered 1991 Oct. 7 by F. Börngen at Tautenburg.
Philipp Nicolai (1556-1608) is the creator of both the words and melodies of the hymns How brightly beams the morning star! and Wake, awake! for night is flying. J. S. Bach took them as a basis for two of his cantatas.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030806/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1991 TQ7 = 2000 QM188 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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