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(2020 LM)
Classification: Apollo [NEO]          SPK-ID: 54017401
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4786770721937945 0.0005674  
a 1.236646297140414 0.00084539 au
q .6446920682859432 0.00026097 au
i 3.502452331030943 0.0045895 deg
node 262.0575258217169 0.0021198 deg
peri 256.4324452675522 0.0066934 deg
M 180.3696181931596 0.20835 deg
tp 2459451.136300328782
(2021-Aug-24.63630033)
0.54771 TDB
period 502.3040490744285
1.38
0.51507
0.00141
d
yr
n .7166973880926396 0.00073491 deg/d
Q 1.828600525994884 0.0012501 au
  Orbit Determination Parameters
   # obs. used (total)      63  
   data-arc span      12 days  
   first obs. used      2020-06-11  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .37233  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:35:55  

Additional Information
 Earth MOID = .00661624 au 
 Jupiter MOID = 3.16819 au 
 T_jup = 5.062 
[ 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 24.7   .37954 E2020-OA3 autocmod 2.8

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