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JPL Small-Body Database Browser
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(2021 QC3)
Classification: Apollo [NEO]          SPK-ID: 54191244
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4091172659828397 0.00049933  
a 1.630599239024236 0.0014007 au
q .9634929364409417 1.3529e-05 au
i 19.76678708170996 0.017389 deg
node 163.7645114916258 0.0020558 deg
peri 235.157008885894 0.011785 deg
M 303.7789467378956 0.079946 deg
tp 2459515.272461367683
(2021-Oct-27.77246137)
0.015852 TDB
period 760.5351307280991
2.08
0.97998
0.002683
d
yr
n .4733509149739784 0.00060993 deg/d
Q 2.29770554160753 0.0019738 au
  Orbit Determination Parameters
   # obs. used (total)      31  
   data-arc span      16 days  
   first obs. used      2021-08-30  
   last obs. used      2021-09-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .50233  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Sep-16 06:34:21  

Additional Information
 Earth MOID = .0738059 au 
 Jupiter MOID = 3.26943 au 
 T_jup = 4.152 
[ 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 24.203   .44421 5 autocmod 2.9e

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