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9919 Undset (1979 QF1)
Classification: Main-belt Asteroid          SPK-ID: 2009919
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2109302382386988 5.3379e-08  
a 2.378946447661208 1.4211e-08 au
q 1.877154706698923 1.2999e-07 au
i 1.606152944876563 5.5433e-06 deg
node 212.5207216785022 0.00019161 deg
peri 163.8516380363921 0.00019218 deg
M 351.3028910891972 1.7321e-05 deg
tp 2457632.877837075660
(2016-Sep-01.37783708)
6.4682e-05 JED
period 1340.217935268054
3.67
1.2009e-05
3.288e-08
d
yr
n .2686130296622222 2.4069e-09 deg/d
Q 2.880738188623493 1.7208e-08 au
  Orbit Determination Parameters
   # obs. used (total)      904  
   data-arc span      13137 days (35.97 yr)  
   first obs. used      1979-08-22  
   last obs. used      2015-08-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55707  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:29:16  

Additional Information
 Earth MOID = .877394 au 
 Jupiter MOID = 2.57844 au 
 T_jup = 3.509 
[ 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 15.0 mag n/a MPO344382  

9919 Undset           Discovered 1979 Aug. 22 by C.-I. Lagerkvist at the European Southern Observatory.
The Norwegian author Sigrid Undset (1882-1949) received the Nobel prize for literature in 1928. She is best known for her trilogy Kristin Lavransdatter about a couple's love and life in Norway in the thirteenth century.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020921/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1979 QF1 = 1990 SK18 = 1994 UO2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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