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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 ]

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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .352790455072115 8.1103e-08  
a 2.568312443489828 6.6197e-08 au
q 1.662236327783676 2.1831e-07 au
i 13.08971721459275 8.5572e-06 deg
node 136.048333641751 8.5659e-05 deg
peri 168.1782094371657 0.00011932 deg
M 203.9250314827001 9.1384e-05 deg
tp 2459652.279904076198
(2022-Mar-13.77990408)
0.00040553 TDB
period 1503.384993099793
4.12
5.8124e-05
1.591e-07
d
yr
n .2394596205578218 9.258e-09 deg/d
Q 3.47438855919598 8.9551e-08 au
  Orbit Determination Parameters
   # obs. used (total)      80  
   data-arc span      4895 days (13.40 yr)  
   first obs. used      2005-05-21  
   last obs. used      2018-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69736  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 05:19:40  

Additional Information
 Earth MOID = .649575 au 
 Jupiter MOID = 1.82631 au 
 T_jup = 3.307 
[ show covariance matrix ]

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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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1966-Jul-15 22:25 00:06 Jupiter 1.8700005978824 1.8699957155055 1.87000548026717 2.26973703295899 2.06053392459437 2439322.433768314 5.95237332127966 353.643410502647 266.304933521938 35.1344710629274 880528.43162755 T 9 CATAB v2.0e-lin.ifort 2018-Oct-31 05:19:41 2018-Dec-18 03:01
1979-Feb-05 14:46 00:04 Jupiter 1.81159584552758 1.81159408316297 1.81159760802812 2.61347216729839 2.42798780056353 2443910.115310960 3.90994004475364 870.572569146137 47.6589812194013 -85.2302409503222 1330617.95474517 T 9 CATAB v2.0e-lin.ifort 2018-Oct-31 05:19:41 2018-Dec-18 03:01
2073-Mar-21 21:42 00:06 Jupiter 1.90344635736311 1.90344388333094 1.90344883140665 2.26857400418906 2.06311407571796 2478288.404510580 6.05354530321454 557.363979367796 192.742414332139 77.0221631411828 761006.956071159 T 9 CATAB v2.0e-lin.ifort 2018-Oct-31 05:19:41 2018-Dec-18 03:01
2085-Oct-14 17:06 00:07 Jupiter 1.80218196904383 1.80218085942159 1.80218307878347 2.63264826578573 2.44761929869454 2482878.212379110 7.17262703848068 1054.17775043475 53.726903215739 -89.0479677302249 1330908.16060423 T 9 CATAB v2.0e-lin.ifort 2018-Oct-31 05:19:41 2018-Dec-18 03:01
2098-May-07 06:17 00:09 Jupiter 1.98163190998644 1.98162668401342 1.98163713685068 2.73849197592626 2.5776858978034 2487465.761951694 9.01711450280904 2194.27806162156 36.2947784010035 -83.1791497267896 1239255.58495213 T 9 CATAB v2.0e-lin.ifort 2018-Oct-31 05:19:41 2018-Dec-18 03:01
2179-Nov-27 17:10 00:18 Jupiter 1.94462286197725 1.94461222849865 1.94463349551212 2.2625948495848 2.06111431712342 2517254.215079466 18.0774547689891 836.001023035376 385.504456919134 17.7555069624377 413503.805240788 T 9 CATAB v2.0e-lin.ifort 2018-Oct-31 05:19:41 2018-Dec-18 03:01
2192-Jun-25 17:36 00:18 Jupiter 1.79778071212735 1.79777973612552 1.79778168819633 2.65192323267046 2.46787335750027 2521848.233208898 17.5412564459497 2410.84868659025 60.2873278593328 89.0401182389422 1331654.84818677 T 9 CATAB v2.0e-lin.ifort 2018-Oct-31 05:19:41 2018-Dec-18 03:01
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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