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120698 (1997 HG13)
Classification: Main-belt Asteroid          SPK-ID: 2120698
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1441987302400239 5.5735e-08  
a 2.378312912663322 1.159e-08 au
q 2.035363210543818 1.3476e-07 au
i 2.099281377795579 6.3987e-06 deg
node 204.895664402017 0.00012008 deg
peri 30.12869017558545 0.00012148 deg
M 95.47822757880917 1.7138e-05 deg
tp 2458645.192998838124
(2019-Jun-10.69299884)
6.3682e-05 TDB
period 1339.682602640439
3.67
9.7927e-06
2.681e-08
d
yr
n .2687203665185024 1.9643e-09 deg/d
Q 2.721262614782826 1.3261e-08 au
  Orbit Determination Parameters
   # obs. used (total)      474  
   data-arc span      8070 days (22.09 yr)  
   first obs. used      1997-04-06  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57637  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:58:08  

Additional Information
 Earth MOID = 1.0243 au 
 Jupiter MOID = 2.27379 au 
 T_jup = 3.525 
[ 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 16.3   n/a MPO245020  

120698 (1997 HG13)          Discovered 1997-Apr-30 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1997 HG13 = 2004 CT92 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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