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91162 (1998 QX75)
Classification: Main-belt Asteroid          SPK-ID: 2091162
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 .1500832554706689 4.5415e-08  
a 3.129979039301803 2.245e-08 au
q 2.660221595528432 1.4732e-07 au
i 17.83504396729509 5.7718e-06 deg
node 188.7139203915622 1.5452e-05 deg
peri 157.7867194150824 2.4291e-05 deg
M 338.8016900245717 1.8095e-05 deg
tp 2459119.599327244204
(2020-Sep-27.09932724)
0.00010181 TDB
period 2022.602644154761
5.54
2.1761e-05
5.958e-08
d
yr
n .1779884946953794 1.9149e-09 deg/d
Q 3.599736483075175 2.5819e-08 au
  Orbit Determination Parameters
   # obs. used (total)      844  
   data-arc span      8020 days (21.96 yr)  
   first obs. used      1998-08-19  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55067  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:15:55  

Additional Information
 Earth MOID = 1.66308 au 
 Jupiter MOID = 1.89856 au 
 T_jup = 3.122 
[ 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 14.3   n/a MPO436409  

91162 (1998 QX75)          Discovered 1998-Aug-24 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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