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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 ]

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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2663790753239434 6.9424e-08  
a 2.575616576522566 2.3809e-08 au
q 1.889526214479464 1.8018e-07 au
i 13.81078407338514 6.7332e-06 deg
node 33.857542316167 3.3668e-05 deg
peri 179.5739335024359 4.2338e-05 deg
M 182.1276993587755 3.3356e-05 deg
tp 2459946.478079154337
(2023-Jan-01.97807915)
0.00014917 TDB
period 1509.802861532902
4.13
2.0935e-05
5.732e-08
d
yr
n .2384417258518719 3.3063e-09 deg/d
Q 3.261706938565668 3.0152e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58644  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 06:21:48  

Additional Information
 Earth MOID = .882452 au 
 Jupiter MOID = 1.70433 au 
 T_jup = 3.337 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457365.5 (2015-Dec-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2659802151459293 6.9622e-08  
q 1.891555405553595 1.8081e-07 au
tp 2456925.978088932275
(2014-Sep-25.47808893)
0.00011305 TDB
node 33.88106277720197 3.3651e-05 deg
peri 179.6033920370646 4.2311e-05 deg
i 13.8121202571218 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58644  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 06:21:48  

Additional Information
 Jupiter MOID = 1.70433 au 
 T_jup = 3.337 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.847264835115991E-15 -1.252966404148982E-14 -1.464142577136193E-12 -2.010565525102583E-14 -5.240407450766974E-14 -7.943999362661938E-15
q -1.252966404148982E-14 3.269085307113712E-14 5.385914216700124E-12 6.202709702209411E-14 5.033208645291103E-13 2.717952159057182E-14
tp -1.464142577136193E-12 5.385914216700124E-12 1.278021639477678E-8 6.348304387096294E-11 2.941968641068353E-9 5.852642160642679E-11
node -2.010565525102583E-14 6.202709702209411E-14 6.348304387096294E-11 1.1323954942474E-9 -1.085533997169043E-9 1.336673066597229E-12
peri -5.240407450766974E-14 5.033208645291103E-13 2.941968641068353E-9 -1.085533997169043E-9 1.790205975671289E-9 1.254150664060204E-11
i -7.943999362661938E-15 2.717952159057182E-14 5.852642160642679E-11 1.336673066597229E-12 1.254150664060204E-11 4.534008176977914E-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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