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(2021 LO2)
Classification: Apollo [NEO]          SPK-ID: 54157347
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3178129758216729 0.00017669  
a 1.320698048757892 0.0002995 au
q .9009630717202696 2.9043e-05 au
i 5.270519292709143 0.0030107 deg
node 81.93104824455094 0.00012348 deg
peri 238.7137527976278 0.005389 deg
M 340.2806857226541 0.012408 deg
tp 2459426.866381162520
(2021-Jul-31.36638116)
0.0087774 TDB
period 554.3751199840759
1.52
0.18858
0.0005163
d
yr
n .6493797918101749 0.0002209 deg/d
Q 1.740433025795515 0.00039469 au
  Orbit Determination Parameters
   # obs. used (total)      69  
   data-arc span      13 days  
   first obs. used      2021-05-31  
   last obs. used      2021-06-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .43212  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jun-21 06:25:52  

Additional Information
 Earth MOID = .00136722 au 
 Jupiter MOID = 3.57175 au 
 T_jup = 4.891 
[ 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 27.989   .39138 8 autocmod 2.9c

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