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(2021 LN2)
Classification: Apollo [NEO]          SPK-ID: 54157346
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 2459374.5 (2021-Jun-09.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6270410017736281 0.00092596  
a 2.240606086242019 0.0051689 au
q .8356542013447354 0.00014703 au
i 2.93025458315454 0.0035032 deg
node 85.79891754335468 0.00084841 deg
peri 110.0091955770149 0.0019194 deg
M 12.83523028638745 0.049912 deg
tp 2459330.823497072778
(2021-Apr-26.32349707)
0.018709 TDB
period 1225.029913991937
3.35
4.2391
0.01161
d
yr
n .2938703748277363 0.0010169 deg/d
Q 3.645557971139303 0.00841 au
  Orbit Determination Parameters
   # obs. used (total)      32  
   data-arc span      4 days  
   first obs. used      2021-06-07  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .58611  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jun-13 08:26:12  

Additional Information
 Earth MOID = .0114044 au 
 Jupiter MOID = 1.31194 au 
 T_jup = 3.343 
[ 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 25.912   .46299 4 autocmod 2.9c

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