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(2020 HT7)
Classification: Apollo [NEO]          SPK-ID: 54016806
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2188011952249477 2.577e-05  
a 1.290951333733484 4.2723e-05 au
q 1.008489638935357 1.1217e-07 au
i 4.955364819286843 0.00051146 deg
node 215.4134750981175 8.3867e-05 deg
peri 10.85459144073988 6.7092e-05 deg
M 16.98331721659543 0.00084954 deg
tp 2458975.225460390231
(2020-May-05.72546039)
6.0906e-05 TDB
period 535.7512989644806
1.47
0.026596
7.282e-05
d
yr
n .6719535737866077 3.3357e-05 deg/d
Q 1.573413028531611 5.2071e-05 au
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      8 days  
   first obs. used      2020-04-22  
   last obs. used      2020-04-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .46501  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-05 06:01:33  

Additional Information
 Earth MOID = .00473623 au 
 Jupiter MOID = 3.40581 au 
 T_jup = 4.999 
[ 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 26.87   .39909 4 autocmod 2.8

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