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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1607263741850168 5.6069e-08  
a 2.660798878078923 1.3245e-08 au
q 2.233138321969737 1.5089e-07 au
i 12.45556103764388 6.0416e-06 deg
node 353.4291636438715 1.8187e-05 deg
peri 181.9256287118798 2.3272e-05 deg
M 51.67699166261127 1.2557e-05 deg
tp 2458972.931984208497
(2020-May-03.43198421)
5.5152e-05 TDB
period 1585.318398946469
4.34
1.1837e-05
3.241e-08
d
yr
n .2270837203676181 1.6955e-09 deg/d
Q 3.088459434188109 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52498  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:05:06  

Additional Information
 Earth MOID = 1.2376 au 
 Jupiter MOID = 1.87911 au 
 T_jup = 3.334 
[ 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 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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