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160308 (2003 GX12)
Classification: Main-belt Asteroid          SPK-ID: 2160308
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1622249794614458 8.7735e-08  
a 3.186035652438588 2.8213e-08 au
q 2.669181084158304 2.6988e-07 au
i 1.579733281184471 4.2149e-06 deg
node 88.38394069269394 0.00031123 deg
peri 119.1839479815927 0.00031175 deg
M 34.75262286753268 1.5555e-05 deg
tp 2458999.979185242451
(2020-May-30.47918524)
9.1061e-05 TDB
period 2077.18115515701
5.69
2.7591e-05
7.554e-08
d
yr
n .1733117976283529 2.3021e-09 deg/d
Q 3.702890220718873 3.279e-08 au
  Orbit Determination Parameters
   # obs. used (total)      375  
   data-arc span      9377 days (25.67 yr)  
   first obs. used      1994-10-09  
   last obs. used      2020-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58952  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:00:49  

Additional Information
 Earth MOID = 1.66413 au 
 Jupiter MOID = 1.25647 au 
 T_jup = 3.177 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457488.5 (2016-Apr-10.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1624814201308097 8.7792e-08  
q 2.6695598127831 2.7052e-07 au
tp 2456918.491513666557
(2014-Sep-17.99151367)
0.00010644 TDB
node 88.38868361824164 0.00031121 deg
peri 118.712125925344 0.00031172 deg
i 1.579820355109896 4.2153e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      375  
   data-arc span      9377 days (25.67 yr)  
   first obs. used      1994-10-09  
   last obs. used      2020-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58952  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:00:49  

Additional Information
 Jupiter MOID = 1.25647 au 
 T_jup = 3.177 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.707401259289025E-15 -2.367667855634764E-14 -4.663750523452212E-12 3.281478939381392E-14 -6.445978445514691E-13 -3.934700922160421E-15
q -2.367667855634764E-14 7.318243988497474E-14 1.319121207493844E-11 -1.01780948965118E-13 1.78521296123589E-12 1.2014662706547E-14
tp -4.663750523452212E-12 1.319121207493844E-11 1.13304131135955E-8 -4.188422224079749E-11 2.040678694856416E-9 3.241635803566961E-12
node 3.281478939381392E-14 -1.01780948965118E-13 -4.188422224079749E-11 9.685162030508201E-8 -9.682289340633019E-8 -4.295915619554993E-10
peri -6.445978445514691E-13 1.78521296123589E-12 2.040678694856416E-9 -9.682289340633019E-8 9.71684840824195E-8 4.299035811878566E-10
i -3.934700922160421E-15 1.2014662706547E-14 3.241635803566961E-12 -4.295915619554993E-10 4.299035811878566E-10 1.776841452346797E-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 15.49   n/a E2021B55  
diameter diameter 4.726 km 1.285 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160308 (2003 GX12)          Discovered 2003-Apr-01 by LINEAR at Socorro
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

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