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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 ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2108436911640279 6.1762e-08  
a 2.378614484558488 1.3258e-08 AU
q 1.877098626777955 1.4736e-07 AU
i 1.60596584855976 6.1388e-06 deg
node 212.5383168823247 0.00022297 deg
peri 163.9616894823156 0.00022356 deg
M 136.2158393153918 1.696e-05 deg
tp 2456293.498054778606
(2012-Dec-31.99805478)
6.0946e-05 JED
period 1339.93741988475
3.67
1.1203e-05
3.067e-08
d
yr
n .2686692636966315 2.2463e-09 deg/d
Q 2.880130342339021 1.6054e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      803  
   data-arc span      12642 days (34.61 yr)  
   first obs. used      1979-08-22  
   last obs. used      2014-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60164  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:57:35  

Additional Information
 Earth MOID = .877261 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 14.9 mag n/a MPO250309  

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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