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344436 (2002 GE12)
Classification: Main-belt Asteroid          SPK-ID: 2344436
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2662333147309917 6.9419e-08  
a 2.575994496934475 2.3817e-08 au
q 1.890178943286817 1.8021e-07 au
i 13.8093462577336 6.7325e-06 deg
node 33.85589916556934 3.3671e-05 deg
peri 179.5513707579541 4.235e-05 deg
M 228.8896294124612 3.3951e-05 deg
tp 2459946.484395261283
(2023-Jan-01.98439526)
0.00014928 TDB
period 1510.135173951526
4.13
2.0943e-05
5.734e-08
d
yr
n .2383892556174284 3.3061e-09 deg/d
Q 3.261810050582134 3.0157e-08 au
  Orbit Determination Parameters
   # obs. used (total)      217  
   data-arc span      6838 days (18.72 yr)  
   first obs. used      2002-02-15  
   last obs. used      2020-11-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58647  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 08:32:21  

Additional Information
 Earth MOID = .884715 au 
 Jupiter MOID = 1.70309 au 
 T_jup = 3.337 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457365.5 (2015-Dec-09.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2659802162668951 6.9622e-08  
q 1.891555402811818 1.8081e-07 au
tp 2456925.978088488763
(2014-Sep-25.47808849)
0.00011305 TDB
node 33.88106272036858 3.3651e-05 deg
peri 179.6033921422066 4.2311e-05 deg
i 13.81212026560942 6.7335e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      217  
   data-arc span      6838 days (18.72 yr)  
   first obs. used      2002-02-15  
   last obs. used      2020-11-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58647  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 08:32:21  

Additional Information
 Jupiter MOID = 1.70309 au 
 T_jup = 3.337 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.847257333086769E-15 -1.252964754650528E-14 -1.46413837025467E-12 -2.010555455626905E-14 -5.240442330943868E-14 -7.943968286982089E-15
q -1.252964754650528E-14 3.26908185125749E-14 5.385907428467807E-12 6.202686145286714E-14 5.033224288549899E-13 2.717946432779345E-14
tp -1.46413837025467E-12 5.385907428467807E-12 1.278021666201194E-8 6.348301158056059E-11 2.941969806235587E-9 5.85264340152191E-11
node -2.010555455626905E-14 6.202686145286714E-14 6.348301158056059E-11 1.13239554010054E-9 -1.085534033790708E-9 1.336667772850092E-12
peri -5.240442330943868E-14 5.033224288549899E-13 2.941969806235587E-9 -1.085534033790708E-9 1.790206338265209E-9 1.254152100579283E-11
i -7.943968286982089E-15 2.717946432779345E-14 5.85264340152191E-11 1.336667772850092E-12 1.254152100579283E-11 4.534008080444412E-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 16.5   n/a MPO437459  
diameter diameter 2.837 km 0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

344436 (2002 GE12)          Discovered 2002-Apr-15 by Yeung, W. K. Y. at Desert Eagle
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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