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JPL Small-Body Database Browser
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(2021 MG1)
Classification: Apollo [NEO, PHA]          SPK-ID: 54161801
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 64 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6540678462910199 2.2169e-05  
a 2.761834534154719 0.000174 au
q .9554073685879799 1.0532e-06 au
i 24.2574323275505 0.00041947 deg
node 173.9432115957623 5.2756e-05 deg
peri 183.7512648454469 0.00010906 deg
M 343.0838711789196 0.0016217 deg
tp 2459475.275903608322
(2021-Sep-17.77590361)
0.00011181 TDB
period 1676.466619458182
4.59
0.15843
0.0004338
d
yr
n .2147373504617399 2.0293e-05 deg/d
Q 4.568261699721459 0.00028781 au
  Orbit Determination Parameters
   # obs. used (total)      562  
   data-arc span      81 days  
   first obs. used      2021-06-19  
   last obs. used      2021-09-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .29692  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Sep-16 06:34:14  

Additional Information
 Earth MOID = .0491442 au 
 Jupiter MOID = .885844 au 
 T_jup = 2.889 
[ 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 18.15   .48286 E2021Q56 autocmod 2.9c

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