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(2015 LD21)
Classification: Mars-crossing Asteroid          SPK-ID: 3721138
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457186.5 (2015-Jun-13.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5138319800848246 0.012033  
a 2.773493069220815 0.076483 au
q 1.348383633711546 0.0038103 au
i 18.01770763300584 0.26674 deg
node 98.55125506842592 0.062742 deg
peri 202.4364062903359 0.22968 deg
M 348.7464743715774 0.39825 deg
tp 2457239.238182388596
(2015-Aug-04.73818239)
0.31549 TDB
period 1687.09311968358
4.62
69.786
0.1911
d
yr
n .2133847834478272 0.0088265 deg/d
Q 4.198602504730083 0.11578 au
  Orbit Determination Parameters
   # obs. used (total)      27  
   data-arc span      11 days  
   first obs. used      2015-06-11  
   last obs. used      2015-06-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      9  
   norm. resid. RMS      .44501  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 13:51:43  

Additional Information
 Earth MOID = .347501 au 
 Jupiter MOID = 1.12107 au 
 T_jup = 3.067 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 21.0   n/a MPO340619  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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