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344938 (2004 TG285)
Classification: Outer Main-belt Asteroid          SPK-ID: 2344938
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1884711805589127 1.2248e-07  
a 3.974034164133303 1.4751e-07 au
q 3.225043253637648 5.2618e-07 au
i 2.590496094770399 1.391e-05 deg
node 36.56644719880182 0.00024125 deg
peri 31.6736211482745 0.00025464 deg
M 316.4850223540726 7.4987e-05 deg
tp 2459350.269620156220
(2021-May-15.76962016)
0.00061708 TDB
period 2893.648809400775
7.92
0.00016111
4.411e-07
d
yr
n .124410397982798 6.927e-09 deg/d
Q 4.72302507462896 1.7531e-07 au
  Orbit Determination Parameters
   # obs. used (total)      71  
   data-arc span      4219 days (11.55 yr)  
   first obs. used      2003-08-26  
   last obs. used      2015-03-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62894  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 08:25:10  

Additional Information
 Earth MOID = 2.23955 au 
 Jupiter MOID = .626778 au 
 T_jup = 3.024 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456189.5 (2012-Sep-19.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1823304950103017 1.1481e-07  
q 3.261257571613219 4.7056e-07 au
tp 2456467.821368223293
(2013-Jun-24.32136822)
0.00054515 TDB
node 37.1084126250411 0.00023992 deg
peri 33.73400606753069 0.00025407 deg
i 2.596401365669565 1.3895e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      71  
   data-arc span      4219 days (11.55 yr)  
   first obs. used      2003-08-26  
   last obs. used      2015-03-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62894  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 08:25:10  

Additional Information
 Jupiter MOID = .626778 au 
 T_jup = 3.024 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.318077385392637E-14 -5.245189147580985E-14 -3.810836262715409E-11 -6.750237395842868E-15 -6.035425199051961E-12 5.354461275144828E-15
q -5.245189147580985E-14 2.214313137594471E-13 1.715300348197313E-10 6.06075459583257E-14 2.676999420732002E-11 -2.364848468007781E-14
tp -3.810836262715409E-11 1.715300348197313E-10 2.971899525948245E-7 3.503511111452591E-10 4.572945140627911E-8 -7.313436326126735E-11
node -6.750237395842868E-15 6.06075459583257E-14 3.503511111452591E-10 5.756172568071498E-8 -5.744605186235504E-8 -9.435652573712075E-10
peri -6.035425199051961E-12 2.676999420732002E-11 4.572945140627911E-8 -5.744605186235504E-8 6.45540127617734E-8 9.312245022345313E-10
i 5.354461275144828E-15 -2.364848468007781E-14 -7.313436326126735E-11 -9.435652573712075E-10 9.312245022345313E-10 1.930841486487037E-10

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 15.8   n/a MPO476593  

344938 (2004 TG285)          Discovered 2004-Oct-08 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 2004 TG285 = 2005 XK90 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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