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JPL Small-Body Database Browser
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392135 (2009 GH4)
Classification: Main-belt Asteroid          SPK-ID: 2392135
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1383181290429167 8.5822e-08  
a 3.145745443124546 8.2777e-08 au
q 2.710631818986278 2.6432e-07 au
i 9.925780300953196 8.8345e-06 deg
node 97.16161295620392 4.7161e-05 deg
peri 167.7214648671776 5.7648e-05 deg
M 249.3069295303943 4.0653e-05 deg
tp 2459227.116353097873
(2021-Jan-12.61635310)
0.00024642 TDB
period 2037.904325521218
5.58
8.0438e-05
2.202e-07
d
yr
n .1766520613807156 6.9726e-09 deg/d
Q 3.580859067262814 9.4226e-08 au
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      4437 days (12.15 yr)  
   first obs. used      2006-12-13  
   last obs. used      2019-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6446  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:11:28  

Additional Information
 Earth MOID = 1.69525 au 
 Jupiter MOID = 1.52474 au 
 T_jup = 3.171 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457608.5 (2016-Aug-08.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1375767475102788 8.5789e-08  
q 2.714535807443615 2.645e-07 au
tp 2457187.018519916143
(2015-Jun-13.51851992)
0.00020116 TDB
node 97.17663830479049 4.7178e-05 deg
peri 167.5419368429323 5.7772e-05 deg
i 9.922237027013461 8.8309e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      4437 days (12.15 yr)  
   first obs. used      2006-12-13  
   last obs. used      2019-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6446  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:11:28  

Additional Information
 Jupiter MOID = 1.52474 au 
 T_jup = 3.171 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.359753789077195E-15 -2.188750234489661E-14 1.685340256992997E-12 -1.835733288114026E-14 1.825867891719803E-13 7.184701560699611E-15
q -2.188750234489661E-14 6.996152082775414E-14 1.087880749129851E-12 8.71513400024628E-14 5.703033028831681E-13 -1.185022189402079E-14
tp 1.685340256992997E-12 1.087880749129851E-12 4.046534299279311E-8 4.523162923933996E-12 6.798258609965298E-9 -2.189702407078583E-11
node -1.835733288114026E-14 8.71513400024628E-14 4.523162923933996E-12 2.225770136870129E-9 -2.189197837282071E-9 -6.684951495057971E-11
peri 1.825867891719803E-13 5.703033028831681E-13 6.798258609965298E-9 -2.189197837282071E-9 3.337555517479782E-9 6.282517953030648E-11
i 7.184701560699611E-15 -1.185022189402079E-14 -2.189702407078583E-11 -6.684951495057971E-11 6.282517953030648E-11 7.798541908332668E-11

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 15.6   n/a MPO434452  

392135 (2009 GH4)          Discovered 2008-Jan-19 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2009 GH4 = 2011 WY98 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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