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JPL Small-Body Database Browser
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(2020 AH1)
Classification: Apollo [NEO]          SPK-ID: 3973547
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 .4304246970511398 0.00064137  
a 1.713968038390093 0.0019211 au
q .9762338647107007 5.1212e-06 au
i 4.531946493584662 0.0051814 deg
node 298.1368244694517 0.0023435 deg
peri 207.9260059271231 0.00174 deg
M 48.85899185556034 0.080745 deg
tp 2458889.264219537409
(2020-Feb-09.76421954)
0.0031961 TDB
period 819.6010487673498
2.24
1.378
0.003773
d
yr
n .4392380909485498 0.00073848 deg/d
Q 2.451702212069485 0.002748 au
  Orbit Determination Parameters
   # obs. used (total)      42  
   data-arc span      21 days  
   first obs. used      2019-12-29  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .30552  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-20 05:06:36  

Additional Information
 Earth MOID = .014373 au 
 Jupiter MOID = 2.57555 au 
 T_jup = 4.069 
[ 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 24.5   .43214 E2020A63 autocmod 2.8

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