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173457 (2000 QG45)
Classification: Mars-crossing Asteroid          SPK-ID: 2173457
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2345533102032611 5.8284e-08  
a 2.150680163543999 7.2192e-09 au
q 1.646231011996263 1.2489e-07 au
i 1.845607230668946 4.9707e-06 deg
node 151.3361352085779 0.00015137 deg
peri 186.3059616366473 0.00015176 deg
M 93.11981019128355 9.433e-06 deg
tp 2458702.509957321222
(2019-Aug-07.00995732)
3.0262e-05 TDB
period 1152.025709073038
3.15
5.8005e-06
1.588e-08
d
yr
n .3124930261232357 1.5734e-09 deg/d
Q 2.655129315091735 8.9125e-09 au
  Orbit Determination Parameters
   # obs. used (total)      420  
   data-arc span      8193 days (22.43 yr)  
   first obs. used      1997-08-02  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53173  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 21:51:01  

Additional Information
 Earth MOID = .637014 au 
 Jupiter MOID = 2.73315 au 
 T_jup = 3.669 
[ 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 17.2   n/a MPO396381  

173457 (2000 QG45)          Discovered 2000-Aug-24 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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