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416843 (2005 LA20)
Classification: Mars-crossing Asteroid          SPK-ID: 2416843
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3527904381442196 6.9549e-08  
a 2.568312440824028 5.2703e-08 au
q 1.662236369534469 1.7359e-07 au
i 13.08971270722098 7.0677e-06 deg
node 136.0482660516685 8.3275e-05 deg
peri 168.1782899319148 0.00010842 deg
M 203.9250174560999 7.1296e-05 deg
tp 2459652.279961637475
(2022-Mar-13.77996164)
0.00031626 TDB
period 1503.384990759118
4.12
4.6275e-05
1.267e-07
d
yr
n .2394596209306452 7.3707e-09 deg/d
Q 3.474388512113587 7.1295e-08 au
  Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      4923 days (13.48 yr)  
   first obs. used      2005-05-21  
   last obs. used      2018-11-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68248  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 12:58:16  

Additional Information
 Earth MOID = .649575 au 
 Jupiter MOID = 1.82631 au 
 T_jup = 3.307 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457391.5 (2016-Jan-04.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .354037356912703 6.9483e-08  
q 1.657964291884923 1.728e-07 au
tp 2456645.779762769259
(2013-Dec-19.27976277)
0.00023095 TDB
node 136.125040237317 8.3132e-05 deg
peri 168.102599563053 0.00010813 deg
i 13.10441299041388 7.0728e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      4923 days (13.48 yr)  
   first obs. used      2005-05-21  
   last obs. used      2018-11-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68248  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 12:58:16  

Additional Information
 Jupiter MOID = 1.82631 au 
 T_jup = 3.307 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.827818822012869E-15 -1.178984580581105E-14 -3.803619561455138E-13 -1.365970517264538E-13 4.828729568937771E-15 3.2022593756586E-15
q -1.178984580581105E-14 2.986033331167467E-14 7.746382256395762E-12 -1.738356202553201E-13 2.203252175178021E-12 -3.217599443026398E-14
tp -3.803619561455138E-13 7.746382256395762E-12 5.333900658355378E-8 -3.592393290697618E-9 1.684632796947029E-8 -1.647478590927365E-10
node -1.365970517264538E-13 -1.738356202553201E-13 -3.592393290697618E-9 6.91086530999485E-9 -7.628785438403739E-9 2.050916938382969E-11
peri 4.828729568937771E-15 2.203252175178021E-12 1.684632796947029E-8 -7.628785438403739E-9 1.16914358937224E-8 -6.122584450358888E-11
i 3.2022593756586E-15 -3.217599443026398E-14 -1.647478590927365E-10 2.050916938382969E-11 -6.122584450358888E-11 5.002506344553461E-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 17.3   n/a MPO472191  

416843 (2005 LA20)          Discovered 2005-Jun-11 by Lowe, A. at Mayhill
Reference: Last Updated: 2015-01-07

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