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85443 (1997 GZ4)
Classification: Main-belt Asteroid          SPK-ID: 2085443
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1953328697885333 5.0731e-08  
a 2.370047138108934 9.3653e-09 au
q 1.907099029088015 1.2092e-07 au
i 1.923361569509466 5.6062e-06 deg
node 172.3538785211589 0.00011538 deg
peri 138.0650020531868 0.00011613 deg
M 20.91476466603276 1.1476e-05 deg
tp 2458923.074434848922
(2020-Mar-14.57443485)
4.2347e-05 TDB
period 1332.704617980057
3.65
7.8994e-06
2.163e-08
d
yr
n .2701273749209649 1.6011e-09 deg/d
Q 2.832995247129853 1.1195e-08 au
  Orbit Determination Parameters
   # obs. used (total)      428  
   data-arc span      8083 days (22.13 yr)  
   first obs. used      1997-03-15  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58403  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:32:34  

Additional Information
 Earth MOID = .893236 au 
 Jupiter MOID = 2.43531 au 
 T_jup = 3.519 
[ 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 16.7   n/a MPO432398  

85443 (1997 GZ4)          Discovered 1997-Apr-07 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1997 GZ4 = 1998 SX42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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