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JPL Small-Body Database Browser
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(2020 HA9)
Classification: Apollo [NEO]          SPK-ID: 54016838
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 2458968.5 (2020-Apr-29.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6021216169153426 0.001543  
a 1.891776630012493 0.0062697 au
q .7526970267067128 0.00042445 au
i 7.078207050631317 0.017744 deg
node 216.3474808666085 0.00013184 deg
peri 89.2533788192775 0.00104 deg
M 335.9433439495609 0.13504 deg
tp 2459032.009101594536
(2020-Jul-01.50910159)
0.040769 TDB
period 950.3929609375474
2.60
4.7247
0.01294
d
yr
n .3787906842711312 0.0018831 deg/d
Q 3.030856233318273 0.010045 au
  Orbit Determination Parameters
   # obs. used (total)      26  
   data-arc span      17 days  
   first obs. used      2020-04-27  
   last obs. used      2020-05-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .67972  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:25:45  

Additional Information
 Earth MOID = .0374712 au 
 Jupiter MOID = 2.31407 au 
 T_jup = 3.706 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 2.380891019534591E-6 -6.549311557959306E-7 -6.290655565434355E-5 1.985852063938003E-7 -1.591316540693781E-6 2.737899956384506E-5
q -6.549311557959306E-7 1.801580571654244E-7 1.730415488948859E-5 -5.463930098140537E-8 4.376190763250242E-7 -7.531433228661308E-6
tp -6.290655565434355E-5 1.730415488948859E-5 .001662087459963103 -5.245622465481162E-6 4.20548275406902E-5 -.0007233856251257258
node 1.985852063938003E-7 -5.463930098140537E-8 -5.245622465481162E-6 1.73805578123863E-8 -1.312665938837697E-7 2.285575256291265E-6
peri -1.591316540693781E-6 4.376190763250242E-7 4.20548275406902E-5 -1.312665938837697E-7 1.081631305283116E-6 -1.828919600196414E-5
i 2.737899956384506E-5 -7.531433228661308E-6 -.0007233856251257258 2.285575256291265E-6 -1.828919600196414E-5 .0003148532234168552

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 25.1   .46729 MPO545524 autocmod 2.8

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