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86280 (1999 UQ9)
Classification: Inner Main-belt Asteroid          SPK-ID: 2086280
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07556815952357804 4.8638e-08  
a 1.880000497871805 8.2975e-09 au
q 1.737932320344223 9.1692e-08 au
i 24.08162157280623 5.5282e-06 deg
node 281.5329989783844 1.101e-05 deg
peri 4.438044371482329 4.0537e-05 deg
M 92.13064441338203 4.2067e-05 deg
tp 2458759.544423699264
(2019-Oct-03.04442370)
0.00010969 TDB
period 941.532624900052
2.58
6.2332e-06
1.707e-08
d
yr
n .3823553114138935 2.5313e-09 deg/d
Q 2.022068675399388 8.9245e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1286  
   data-arc span      10884 days (29.80 yr)  
   first obs. used      1989-11-09  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:47:17  

Additional Information
 Earth MOID = .721745 au 
 Jupiter MOID = 3.13124 au 
 T_jup = 3.862 
[ 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 MPO366222  

86280 (1999 UQ9)          Discovered 1999-Oct-31 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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