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344454 (2002 LL42)
Classification: Main-belt Asteroid          SPK-ID: 2344454
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2179596484448714 8.0419e-08  
a 2.65752959146088 2.5724e-08 au
q 2.078295375974224 2.2348e-07 au
i 13.35914260870023 9.2756e-06 deg
node 233.3458595211316 2.6315e-05 deg
peri 31.78411643897019 3.3176e-05 deg
M 48.5479572045957 1.742e-05 deg
tp 2458787.105092980026
(2019-Oct-30.60509298)
7.5029e-05 TDB
period 1582.397508579797
4.33
2.2976e-05
6.29e-08
d
yr
n .2275028859992964 3.3032e-09 deg/d
Q 3.236763806947536 3.1331e-08 au
  Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      6201 days (16.98 yr)  
   first obs. used      2002-06-10  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60564  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:30:50  

Additional Information
 Earth MOID = 1.07518 au 
 Jupiter MOID = 1.86379 au 
 T_jup = 3.315 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457162.5 (2015-May-20.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2169517749314989 8.0497e-08  
q 2.081403902633296 2.2331e-07 au
tp 2457204.612235864366
(2015-Jul-01.11223586)
6.7932e-05 TDB
node 233.3714748480864 2.6302e-05 deg
peri 31.88953517018145 3.3248e-05 deg
i 13.35952334097325 9.2758e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      6201 days (16.98 yr)  
   first obs. used      2002-06-10  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60564  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:30:50  

Additional Information
 Jupiter MOID = 1.86379 au 
 T_jup = 3.315 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.479752966139356E-15 -1.791833272089063E-14 -1.671661736764854E-12 1.447680745436168E-13 -5.622272464986495E-13 -3.762798186151967E-14
q -1.791833272089063E-14 4.98684898930889E-14 4.705042501523004E-12 -4.058810635683991E-13 1.572349366886778E-12 1.09599861694318E-13
tp -1.671661736764854E-12 4.705042501523004E-12 4.614815470900168E-9 -5.989438607511976E-11 1.409622254280393E-9 5.321521061965503E-12
node 1.447680745436168E-13 -4.058810635683991E-13 -5.989438607511976E-11 6.918181424689664E-10 -6.884488189032682E-10 6.851427305704542E-11
peri -5.622272464986495E-13 1.572349366886778E-12 1.409622254280393E-9 -6.884488189032682E-10 1.105457790690101E-9 -6.527684507136869E-11
i -3.762798186151967E-14 1.09599861694318E-13 5.321521061965503E-12 6.851427305704542E-11 -6.527684507136869E-11 8.604066866225568E-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 16.4   n/a MPO476591  

344454 (2002 LL42)          Discovered 2002-Jun-10 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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Alternate Designations
 2002 LL42 = 2012 TF300 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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