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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2109665117312353 5.8385e-08  
a 2.378300876345594 1.4358e-08 AU
q 1.876559036615624 1.4088e-07 AU
i 1.606194827614795 5.8268e-06 deg
node 212.5327463685823 0.00021989 deg
peri 163.9294336462689 0.00022047 deg
M 190.0067913767069 1.6914e-05 deg
tp 2457633.097820398207
(2016-Sep-01.59782040)
6.6335e-05 JED
period 1339.672432726523
3.67
1.2132e-05
3.322e-08
d
yr
n .2687224064671706 2.4334e-09 deg/d
Q 2.880042716075564 1.7387e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      811  
   data-arc span      12708 days (34.79 yr)  
   first obs. used      1979-08-22  
   last obs. used      2014-06-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57195  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:43:43  

Additional Information
 Earth MOID = .878015 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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