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91380 (1999 JW105)
Classification: Main-belt Asteroid          SPK-ID: 2091380
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2129682270396786 5.9964e-08  
a 2.571074974553694 1.6245e-08 au
q 2.023517695636907 1.5979e-07 au
i 4.546749215185654 5.0769e-06 deg
node 266.0513499740689 9.2159e-05 deg
peri 18.17289376147505 9.3857e-05 deg
M 355.8366459554325 1.5774e-05 deg
tp 2459017.914514931784
(2020-Jun-17.41451493)
6.5924e-05 TDB
period 1505.811254179201
4.12
1.4271e-05
3.907e-08
d
yr
n .2390737876349792 2.2658e-09 deg/d
Q 3.11863225347048 1.9705e-08 au
  Orbit Determination Parameters
   # obs. used (total)      549  
   data-arc span      7756 days (21.23 yr)  
   first obs. used      1999-05-13  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61924  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:16:59  

Additional Information
 Earth MOID = 1.00766 au 
 Jupiter MOID = 2.04346 au 
 T_jup = 3.393 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO432451  

91380 (1999 JW105)          Discovered 1999-May-13 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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