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(2020 AP1)
Classification: Apollo [NEO]          SPK-ID: 3976533
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 .3822799190350489 0.00032047  
a 1.588782954461922 0.00081912 au
q .9814231352659525 4.0908e-06 au
i 2.256475843278635 0.0015855 deg
node 101.2301778111165 0.00050855 deg
peri 349.7384652437938 0.0028517 deg
M 176.2776695636461 0.13623 deg
tp 2458842.329276530699
(2019-Dec-24.82927653)
0.0014428 TDB
period 731.4679208553604
2.00
0.56568
0.001549
d
yr
n .4921610226994302 0.00038061 deg/d
Q 2.196142773657891 0.0011322 au
  Orbit Determination Parameters
   # obs. used (total)      23  
   data-arc span      1 day  
   first obs. used      2020-01-04  
   last obs. used      2020-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .65818  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:13:24  

Additional Information
 Earth MOID = .00159379 au 
 Jupiter MOID = 3.02033 au 
 T_jup = 4.295 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458853.5 (2020-Jan-05.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3865380722357544 0.00031462  
q .9807948001743615 3.6132e-06 au
tp 2458842.364396902508
(2019-Dec-24.86439690)
0.0014278 TDB
node 101.323643279105 0.00043589 deg
peri 349.5869851159758 0.0026321 deg
i 2.278869615179554 0.0015465 deg
  Orbit Determination Parameters
   # obs. used (total)      23  
   data-arc span      1 day  
   first obs. used      2020-01-04  
   last obs. used      2020-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .65818  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:13:24  

Additional Information
 Jupiter MOID = 3.02033 au 
 T_jup = 4.295 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.898661612013719E-8 -7.92762394788388E-10 -4.053447496541711E-8 1.104689586919326E-8 -4.525033779287305E-7 4.860774454946485E-7
q -7.92762394788388E-10 1.305529786581361E-11 4.005979755334675E-9 -1.209257933779905E-9 9.331716665771034E-9 -4.055205255511621E-9
tp -4.053447496541711E-8 4.005979755334675E-9 2.038743558149408E-6 -6.190344283948442E-7 3.319195583274112E-6 -2.882044898932251E-7
node 1.104689586919326E-8 -1.209257933779905E-9 -6.190344283948442E-7 1.900023439044658E-7 -1.00505184426239E-6 8.232242088633025E-8
peri -4.525033779287305E-7 9.331716665771034E-9 3.319195583274112E-6 -1.00505184426239E-6 6.927819249285165E-6 -2.361192351531706E-6
i 4.860774454946485E-7 -4.055205255511621E-9 -2.882044898932251E-7 8.232242088633025E-8 -2.361192351531706E-6 2.391792158327577E-6

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 29.6   .35056 E2020A81 autocmod 2.8

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