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13977 Frisch (1992 HJ7)
Classification: Main-belt Asteroid          SPK-ID: 2013977
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1914733267625171 4.4109e-08  
a 2.474307722768058 1.4831e-08 AU
q 2.00054379165547 1.0892e-07 AU
i 15.70453697042781 7.3337e-06 deg
node 193.921081666458 1.8182e-05 deg
peri 133.5283963876397 2.9563e-05 deg
M 170.3187612888167 2.6411e-05 deg
tp 2456327.927692133698
(2013-Feb-04.42769213)
0.00010073 JED
period 1421.60516551248
3.89
1.2781e-05
3.499e-08
d
yr
n .2532348705065532 2.2768e-09 deg/d
Q 2.948071653880646 1.767e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1212  
   data-arc span      30424 days (83.30 yr)  
   first obs. used      1931-10-10  
   last obs. used      2015-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50788  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:38:59  

Additional Information
 Earth MOID = 1.02325 AU 
 T_jup = 3.406 
[ 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 12.3 mag n/a MPO250350  
rotation period rot_per 4.9991 h n/a LCDB (Rev. 2015-Feb); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2008) http://www.asu.cas.cz/~ppravec/neo.htm]
[Higgins, D.J. (2012) http://www.david-higgins.com/Astronomy/astero id/lightcurves.htm]

13977 Frisch           Discovered 1992 Apr. 29 by F. Borngen at Tautenburg.
Austrian zoologist Karl Ritter von Frisch (1886-1982) did fundamental investigations on fish and honey-bees. He studied the orientation of bees following colors, shapes, odors, the sun and polarized light. He received the 1973 Nobel prize for medicine.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000726/MPCPages.arcLast Updated: 2013-03-29

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Alternate Designations
 1992 HJ7 = 1931 TZ2 = 1935 US = 1973 GL = 1988 BA5 = 1988 JY1 = 1989 NK = 1996 GP21 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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