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(2019 GH21)
Classification: Mars-crossing Asteroid          SPK-ID: 3841500
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458582.5 (2019-Apr-09.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5390439880399349 0.0090469  
a 3.058713698759639 0.064504 au
q 1.409932468307863 0.0020812 au
i 14.71463182924144 0.16539 deg
node 158.1666732022113 0.2542 deg
peri 18.27277251031252 0.74048 deg
M 6.073523179037049 0.059872 deg
tp 2458549.535623818597
(2019-Mar-07.03562382)
0.72319 TDB
period 1953.919508575352
5.35
61.809
0.1692
d
yr
n .1842450512521288 0.0058282 deg/d
Q 4.707494929211414 0.099275 au
  Orbit Determination Parameters
   # obs. used (total)      16  
   data-arc span      9 days  
   first obs. used      2019-04-07  
   last obs. used      2019-04-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      9  
   norm. resid. RMS      .62417  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:09:04  

Additional Information
 Earth MOID = .423671 au 
 Jupiter MOID = .335997 au 
 T_jup = 2.950 
[ 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 21.8   .45469 MPO467571 autocmod 2.6q

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