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26258 (1998 QA89)
Classification: Main-belt Asteroid          SPK-ID: 2026258
[ 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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2213588824066202 4.3218e-08  
a 2.265797799321047 8.689e-09 au
q 1.764243330703961 1.0088e-07 au
i 5.951477606274051 3.9328e-06 deg
node 248.6600148155407 4.2039e-05 deg
peri 86.35494527556588 4.3136e-05 deg
M 143.6773986288593 8.9678e-06 deg
tp 2458503.317185754614
(2019-Jan-19.81718575)		 3.0222e-05 TDB
period 1245.747868742297
3.41		 7.1659e-06
1.962e-08		 d
yr
n .2889830350369812 1.6623e-09 deg/d
Q 2.767352267938134 1.0612e-08 au
   Orbit Determination Parameters
   # obs. used (total)      940  
   data-arc span      10394 days (28.46 yr)  
   first obs. used      1991-08-15  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50342  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:41:43  

Additional Information
 Earth MOID = .766878 au 
 Jupiter MOID = 2.64086 au 
 T_jup = 3.577 
[ 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 15.6   n/a MPO347719  

26258 (1998 QA89)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QA89 = 1991 PZ31 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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