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91149 (1998 PS)
Classification: Main-belt Asteroid          SPK-ID: 2091149
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1755242354697875 5.3514e-08  
a 3.143025921671546 2.7973e-08 au
q 2.591348699708424 1.6822e-07 au
i 1.312652970633116 5.2673e-06 deg
node 161.2398831336056 0.00026295 deg
peri 229.8380171238421 0.00026334 deg
M 295.7959345864393 1.5681e-05 deg
tp 2459363.478079829512
(2021-May-28.97807983)
9.0813e-05 TDB
period 2035.262220498343
5.57
2.7171e-05
7.439e-08
d
yr
n .1768813848035033 2.3614e-09 deg/d
Q 3.694703143634669 3.2883e-08 au
  Orbit Determination Parameters
   # obs. used (total)      433  
   data-arc span      8483 days (23.23 yr)  
   first obs. used      1996-04-13  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55094  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:24:26  

Additional Information
 Earth MOID = 1.59724 au 
 Jupiter MOID = 1.74627 au 
 T_jup = 3.185 
[ 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 15.3   n/a MPO417449  

91149 (1998 PS)          Discovered 1998-Aug-15 by Comba, P. G. at Prescott
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1998 PS = 1996 GF9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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