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344020 (2012 DL91)
Classification: Main-belt Asteroid          SPK-ID: 2344020
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01460577993731661 5.057e-08  
a 2.745789206120239 2.9707e-08 au
q 2.705684813221388 1.3083e-07 au
i 7.006011416977928 5.6538e-06 deg
node 142.3869394567141 5.4397e-05 deg
peri 162.3012757893235 0.00026364 deg
M 148.04303929415 0.00025704 deg
tp 2458317.084682050796
(2018-Jul-17.58468205)
0.0011867 TDB
period 1661.878299950814
4.55
2.697e-05
7.384e-08
d
yr
n .2166223603802125 3.5155e-09 deg/d
Q 2.785893599019091 3.0141e-08 au
  Orbit Determination Parameters
   # obs. used (total)      133  
   data-arc span      7116 days (19.48 yr)  
   first obs. used      2000-08-02  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63503  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 22:59:38  

Additional Information
 Earth MOID = 1.69173 au 
 Jupiter MOID = 2.2398 au 
 T_jup = 3.337 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457744.5 (2016-Dec-22.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01554005571575282 5.044e-08  
q 2.704104149010986 1.3067e-07 au
tp 2458295.493312822190
(2018-Jun-25.99331282)
0.0011185 TDB
node 142.4629910902578 5.4352e-05 deg
peri 157.4942761870959 0.00024892 deg
i 7.00824284697643 5.658e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      133  
   data-arc span      7116 days (19.48 yr)  
   first obs. used      2000-08-02  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63503  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 22:59:38  

Additional Information
 Jupiter MOID = 2.2398 au 
 T_jup = 3.337 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.54416474575359E-15 -6.446938609845887E-15 2.863200614725526E-12 -1.278638512981313E-14 5.182642148877945E-13 1.456321467114502E-15
q -6.446938609845887E-15 1.707566486096783E-14 -6.865109748612278E-12 3.726769362932666E-14 -1.277921629405947E-12 -3.051076697935043E-15
tp 2.863200614725526E-12 -6.865109748612278E-12 1.250962782882063E-6 -8.818081284991099E-10 2.717346013075855E-7 -1.196388937831507E-10
node -1.278638512981313E-14 3.726769362932666E-14 -8.818081284991099E-10 2.954090970286889E-9 -3.122408473341302E-9 9.030616699554218E-11
peri 5.182642148877945E-13 -1.277921629405947E-12 2.717346013075855E-7 -3.122408473341302E-9 6.196001531799917E-8 -1.156127390775788E-10
i 1.456321467114502E-15 -3.051076697935043E-15 -1.196388937831507E-10 9.030616699554218E-11 -1.156127390775788E-10 3.201301791433766E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO455506  

344020 (2012 DL91)          Discovered 2006-Dec-21 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20121029/Numbers.arcLast Updated: 2012-11-08

Alternate Designations
 2012 DL91 = 2008 GJ115 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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