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101331 Sjostrom (1998 SA164)
Classification: Inner Main-belt Asteroid          SPK-ID: 2101331
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05136215581004778 3.7356e-08  
a 1.912000521416729 5.715e-09 au
q 1.813796052726831 6.9921e-08 au
i 21.87255423292727 6.0202e-06 deg
node 29.22097801675416 9.0015e-06 deg
peri 222.1419827196356 6.2799e-05 deg
M 274.8630572840423 6.3312e-05 deg
tp 2459428.873646368085
(2021-Aug-02.37364637)
0.00016964 TDB
period 965.67377298011
2.64
4.3296e-06
1.185e-08
d
yr
n .3727967043042132 1.6714e-09 deg/d
Q 2.010204990106628 6.0086e-09 au
  Orbit Determination Parameters
   # obs. used (total)      934  
   data-arc span      11113 days (30.43 yr)  
   first obs. used      1990-10-19  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51486  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:32:54  

Additional Information
 Earth MOID = .82383 au 
 Jupiter MOID = 2.9806 au 
 T_jup = 3.845 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457768.5 (2017-Jan-15.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05142655180661709 3.7298e-08  
q 1.813665751568359 6.9811e-08 au
tp 2457497.935348035863
(2016-Apr-19.43534804)
0.00017145 TDB
node 29.23787317572038 8.9982e-06 deg
peri 222.2663816333377 6.2824e-05 deg
i 21.87764586256373 6.0215e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      934  
   data-arc span      11113 days (30.43 yr)  
   first obs. used      1990-10-19  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51486  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:32:54  

Additional Information
 Jupiter MOID = 2.9806 au 
 T_jup = 3.845 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.391163423522951E-15 -2.596766528432054E-15 -3.413341460956099E-12 -1.897080003306247E-14 -1.24567819970458E-12 8.833548618610646E-15
q -2.596766528432054E-15 4.873602638765714E-15 6.31360058736447E-12 3.48460386031898E-14 2.306051851577552E-12 -1.643237518804483E-14
tp -3.413341460956099E-12 6.31360058736447E-12 2.939507809409368E-8 5.970797346745692E-11 1.066641418806034E-8 -5.201410934461408E-12
node -1.897080003306247E-14 3.48460386031898E-14 5.970797346745692E-11 8.096745745867224E-11 -5.250726781290356E-11 -1.884423350257568E-11
peri -1.24567819970458E-12 2.306051851577552E-12 1.066641418806034E-8 -5.250726781290356E-11 3.946831759252591E-9 1.546290749535687E-11
i 8.833548618610646E-15 -1.643237518804483E-14 -5.201410934461408E-12 -1.884423350257568E-11 1.546290749535687E-11 3.625798672969512E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.94   n/a MPCxxxxx  

101331 Sjöström           Discovered 1998 Sept. 18 by E. W. Elst at the European Southern Observatory.
Victor Sjöström (1879-1960), the father of Swedish film and one of the masters of world cinema, was a screen actor and film director. He had a great influence on Ingmar Bergman, and is best remembered for playing Professor Isak Borg in Bergman's Smultronstället (Wild Strawberries, 1957).
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2014-04-15Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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