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(2021 AD5)
Classification: Apollo [NEO]          SPK-ID: 54105486
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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1011714610225709 0.00038028  
a 1.04978066146598 0.00033475 au
q .943572818192226 9.8858e-05 au
i 9.692634978817946 0.028025 deg
node 290.6610841017419 0.00080391 deg
peri 114.7572946927231 0.038655 deg
M 32.56283787822816 0.059893 deg
tp 2459164.964205861011
(2020-Nov-11.46420586)
0.048787 TDB
period 392.8676590743224
1.08
0.18792
0.0005145
d
yr
n .9163391072918412 0.0004383 deg/d
Q 1.155988504739734 0.00036862 au
  Orbit Determination Parameters
   # obs. used (total)      20  
   data-arc span      1 day  
   first obs. used      2021-01-11  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .56435  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:22:51  

Additional Information
 Earth MOID = .0119111 au 
 Jupiter MOID = 4.00269 au 
 T_jup = 5.838 
[ hide covariance matrix ]
Orbital Elements at Epoch 2459226.5 (2021-Jan-12.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0994799485310051 0.00038908  
q .9436348106964141 9.8162e-05 au
tp 2459164.444232452512
(2020-Nov-10.94423245)
0.054183 TDB
node 290.6030494320418 0.0012899 deg
peri 114.3029667080753 0.043533 deg
i 9.767078383985377 0.027636 deg
  Orbit Determination Parameters
   # obs. used (total)      20  
   data-arc span      1 day  
   first obs. used      2021-01-11  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .56435  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:22:51  

Additional Information
 Jupiter MOID = 4.00269 au 
 T_jup = 5.838 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.513834014291882E-7 -3.805874038988417E-8 2.042831586302962E-5 4.85741340652855E-7 1.601310465610936E-5 1.028071192475486E-5
q -3.805874038988417E-8 9.635797753470182E-9 -5.030183477246762E-6 -1.245367705195952E-7 -3.913276974102309E-6 -2.645011111288928E-6
tp 2.042831586302962E-5 -5.030183477246762E-6 .002935754258992855 6.126282333305763E-5 .002350701743649865 .001280209956361208
node 4.85741340652855E-7 -1.245367705195952E-7 6.126282333305763E-5 1.66385273586621E-6 4.684937380128722E-5 3.561190464541574E-5
peri 1.601310465610936E-5 -3.913276974102309E-6 .002350701743649865 4.684937380128722E-5 .001895125957101047 .0009742211415298568
i 1.028071192475486E-5 -2.645011111288928E-6 .001280209956361208 3.561190464541574E-5 .0009742211415298568 .0007637633620774496

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 28.30   .31798 E2021-AG0 autocmod 2.8

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