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(2019 HM)
Classification: Aten [NEO]          SPK-ID: 3841532
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 .009829499321509942 5.1361e-08  
a .9882102146622559 3.9902e-08 au
q .9784966030277241 6.247e-08 au
i 5.759317972148879 6.0316e-05 deg
node 201.8185609902011 3.326e-05 deg
peri 193.3104078164772 0.00086751 deg
M 217.1270396439155 0.00084192 deg
tp 2459142.903275083681
(2020-Oct-20.40327508)
0.00083387 TDB
period 358.81652415094
0.98
2.1733e-05
5.95e-08
d
yr
n 1.003298275774396 6.0767e-08 deg/d
Q .9979238262967878 4.0294e-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 = .00482253 au 
 Jupiter MOID = 3.97641 au 
 T_jup = 6.133 
[ 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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