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(2021 LH2)
Classification: Amor [NEO]          SPK-ID: 54156749
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2919265452996928 0.00037958  
a 1.488738565085215 0.00085926 au
q 1.054136258925466 4.3326e-05 au
i 5.583436493817892 0.0055235 deg
node 247.5308094593573 0.0018175 deg
peri 5.121311463442747 0.0026811 deg
M 267.905922568009 0.078724 deg
tp 2459370.228700370671
(2021-Jun-04.72870037)
0.0021376 TDB
period 663.4773248970771
1.82
0.57441
0.001573
d
yr
n .5425957851021443 0.00046976 deg/d
Q 1.923340871244963 0.0011101 au
  Orbit Determination Parameters
   # obs. used (total)      27  
   data-arc span      8 days  
   first obs. used      2021-06-07  
   last obs. used      2021-06-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .5289  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jun-15 06:33:48  

Additional Information
 Earth MOID = .0390544 au 
 Jupiter MOID = 3.12091 au 
 T_jup = 4.513 
[ 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 26.058   .26579 4 autocmod 2.9c

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