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(2019 HM)
Classification: Aten [NEO]          SPK-ID: 3841532
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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .009355017688108213 4.7781e-08  
a .9873019244899149 4.7742e-08 au
q .9780656975228085 6.019e-08 au
i 5.759191493130256 6.0339e-05 deg
node 201.6338483183963 3.6341e-05 deg
peri 195.8284442869441 0.00096971 deg
M 55.58406487055328 0.00093127 deg
tp 2459145.175027712184
(2020-Oct-22.67502771)
0.00092989 TDB
period 358.3219411893924
0.98
2.599e-05
7.116e-08
d
yr
n 1.004683103705672 7.2873e-08 deg/d
Q .9965381514570215 4.8188e-08 au
  Orbit Determination Parameters
   # obs. used (total)      35  
   data-arc span      158 days  
   first obs. used      2019-04-22  
   last obs. used      2019-09-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .46696  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Oct-06 05:59:00  

Additional Information
 Earth MOID = .00696817 au 
 Jupiter MOID = 3.97562 au 
 T_jup = 6.137 
[ 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 25.9   .50733 MPO496135 autocmod 2.8

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