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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1955678912198891 5.1375e-08  
a 2.369895141609874 9.4816e-09 au
q 1.90641974635297 1.225e-07 au
i 1.923258561657963 5.6741e-06 deg
node 172.38282568694 0.0001173 deg
peri 138.1850783292944 0.00011803 deg
M 272.762651159331 1.1292e-05 deg
tp 2458923.417871271449
(2020-Mar-14.91787127)
4.2305e-05 TDB
period 1332.576415980298
3.65
7.9972e-06
2.19e-08
d
yr
n .2701533628262281 1.6213e-09 deg/d
Q 2.833370536866777 1.1336e-08 au
  Orbit Determination Parameters
   # obs. used (total)      416  
   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      .58349  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:55:32  

Additional Information
 Earth MOID = .891752 au 
 Jupiter MOID = 2.4335 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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