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80325 (1999 XT89)
Classification: Main-belt Asteroid          SPK-ID: 2080325
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1299596872702932 5.1433e-08  
a 2.306200118101628 1.0586e-08 au
q 2.006487071970427 1.1641e-07 au
i 5.592712761850275 4.2392e-06 deg
node 111.26958224717 7.0186e-05 deg
peri 30.81907945854785 7.4663e-05 deg
M 266.7470608856178 2.7476e-05 deg
tp 2459331.862943805826
(2021-Apr-27.36294381)
9.8845e-05 TDB
period 1279.216085873475
3.50
8.8081e-06
2.412e-08
d
yr
n .2814223523105439 1.9377e-09 deg/d
Q 2.605913164232828 1.1962e-08 au
  Orbit Determination Parameters
   # obs. used (total)      485  
   data-arc span      8567 days (23.46 yr)  
   first obs. used      1997-05-01  
   last obs. used      2020-10-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6137  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:19:59  

Additional Information
 Earth MOID = 1.02187 au 
 Jupiter MOID = 2.41096 au 
 T_jup = 3.570 
[ 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 16.0   n/a MPO244801  

80325 (1999 XT89)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 XT89 = 1997 JT 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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