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(2021 AD7)
Classification: Amor [NEO]          SPK-ID: 54106000
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5283931196482697 8.6637e-06  
a 2.737676478400566 6.1921e-05 au
q 1.291107063390802 5.6013e-06 au
i 6.635371410550943 0.00010371 deg
node 296.2549883541884 0.00030564 deg
peri 260.3134250759607 0.00053292 deg
M 334.3319845329036 0.00089185 deg
tp 2459318.467236384358
(2021-Apr-13.96723638)
0.00019804 TDB
period 1654.51844739646
4.53
0.056133
0.0001537
d
yr
n .217585969238659 7.3821e-06 deg/d
Q 4.18424589341033 9.464e-05 au
  Orbit Determination Parameters
   # obs. used (total)      226  
   data-arc span      102 days  
   first obs. used      2021-01-08  
   last obs. used      2021-04-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .47072  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-21 06:22:40  

Additional Information
 Earth MOID = .317136 au 
 Jupiter MOID = .989306 au 
 T_jup = 3.124 
[ 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 19.47   .24027 E2021-DA1 autocmod 2.8

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