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JPL Small-Body Database Browser
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(2021 QG2)
Classification: Apollo [NEO]          SPK-ID: 54190787
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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2251928535151637 0.00037852  
a 1.122769533228574 0.00036437 au
q .8699298582009428 0.00014299 au
i 10.60207029088504 0.018644 deg
node 165.5310826508338 0.0029083 deg
peri 266.2745137179418 0.013038 deg
M 240.1148134583899 0.08105 deg
tp 2459541.209611822747
(2021-Nov-22.70961182)
0.027548 TDB
period 434.5445985364303
1.19
0.21153
0.0005791
d
yr
n .8284535148118272 0.00040329 deg/d
Q 1.375609208256205 0.00044643 au
  Orbit Determination Parameters
   # obs. used (total)      23  
   data-arc span      7 days  
   first obs. used      2021-08-30  
   last obs. used      2021-09-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .48186  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Sep-06 06:24:49  

Additional Information
 Earth MOID = .0283656 au 
 Jupiter MOID = 3.86716 au 
 T_jup = 5.524 
[ 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 25.383   .45804 3 autocmod 2.9e

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