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120139 (2003 GV20)
Classification: Main-belt Asteroid          SPK-ID: 2120139
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1607263750760115 5.6069e-08  
a 2.660798876503718 1.3245e-08 au
q 2.233138318276952 1.5089e-07 au
i 12.45556102845433 6.0416e-06 deg
node 353.4291636953276 1.8187e-05 deg
peri 181.925628766628 2.3272e-05 deg
M 51.6769917362698 1.2557e-05 deg
tp 2458972.931984086212
(2020-May-03.43198409)
5.5152e-05 TDB
period 1585.318397538695
4.34
1.1837e-05
3.241e-08
d
yr
n .22708372056927 1.6955e-09 deg/d
Q 3.088459434730485 1.5374e-08 au
  Orbit Determination Parameters
   # obs. used (total)      871  
   data-arc span      9601 days (26.29 yr)  
   first obs. used      1994-02-10  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52499  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:59:15  

Additional Information
 Earth MOID = 1.2376 au 
 Jupiter MOID = 1.87911 au 
 T_jup = 3.334 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457452.5 (2016-Mar-05.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1619224828888647 5.5972e-08  
q 2.230346389512579 1.5102e-07 au
tp 2457387.013707089074
(2015-Dec-30.51370709)
5.5084e-05 TDB
node 353.4487758314923 1.8182e-05 deg
peri 181.8527277510278 2.3193e-05 deg
i 12.45840759164224 6.0426e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      871  
   data-arc span      9601 days (26.29 yr)  
   first obs. used      1994-02-10  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52499  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:59:15  

Additional Information
 Jupiter MOID = 1.87911 au 
 T_jup = 3.334 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.132887231906257E-15 -8.430109510047938E-15 6.425617240466002E-13 -9.433629733284497E-15 2.496275039333493E-13 -4.699919752015072E-15
q -8.430109510047938E-15 2.280628463678945E-14 -1.799456181548557E-12 2.498611431526073E-14 -6.879791275741824E-13 1.28864910823134E-14
tp 6.425617240466002E-13 -1.799456181548557E-12 3.03421977095227E-9 -2.406972042376288E-12 7.996364384014166E-10 2.822630605700916E-12
node -9.433629733284497E-15 2.498611431526073E-14 -2.406972042376288E-12 3.305873899727399E-10 -3.228321116095398E-10 1.344964383975489E-11
peri 2.496275039333493E-13 -6.879791275741824E-13 7.996364384014166E-10 -3.228321116095398E-10 5.379139607302205E-10 -1.248756109916383E-11
i -4.699919752015072E-15 1.28864910823134E-14 2.822630605700916E-12 1.344964383975489E-11 -1.248756109916383E-11 3.651314559324985E-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 15.19   n/a E2021B55  
diameter diameter 5.241 km 1.404 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.059   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

120139 (2003 GV20)          Discovered 2003-Apr-03 by Broughton, J. at Reedy Creek
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2003 GV20 = 1994 CJ20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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