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(2020 AN1)
Classification: Apollo [NEO]          SPK-ID: 3976532
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6397554533182322 0.00027273  
a 2.512567608818236 0.001833 au
q .9051387792460188 2.4944e-05 au
i 2.290040046457189 0.00073451 deg
node 108.5541517815546 0.00023548 deg
peri 316.3261981926676 0.0015095 deg
M 43.35234737474286 0.047943 deg
tp 2458825.319734955252
(2019-Dec-07.81973496)
0.0020325 TDB
period 1454.705436616124
3.98
1.5919
0.004358
d
yr
n .2474727810445373 0.00027081 deg/d
Q 4.119996438390454 0.0030057 au
  Orbit Determination Parameters
   # obs. used (total)      118  
   data-arc span      3 days  
   first obs. used      2020-01-04  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .65544  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-09 05:09:18  

Additional Information
 Earth MOID = .00435068 au 
 Jupiter MOID = 1.23439 au 
 T_jup = 3.138 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458854.5 (2020-Jan-06.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6405267768753314 0.00027224  
q .9049857774939559 2.4738e-05 au
tp 2458825.320344063611
(2019-Dec-07.82034406)
0.0020398 TDB
node 108.5586688737068 0.00023007 deg
peri 316.3033640317769 0.0014766 deg
i 2.288706137393857 0.00073551 deg
  Orbit Determination Parameters
   # obs. used (total)      118  
   data-arc span      3 days  
   first obs. used      2020-01-04  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .65544  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-09 05:09:18  

Additional Information
 Jupiter MOID = 1.23439 au 
 T_jup = 3.138 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.411416089567144E-8 -6.732197741983044E-9 5.546952120740782E-7 6.055065560001515E-8 -3.985384369891551E-7 2.000174577945951E-7
q -6.732197741983044E-9 6.119897110205742E-10 -5.032041820557067E-8 -5.521188593201399E-9 3.632911903923014E-8 -1.815323919481807E-8
tp 5.546952120740782E-7 -5.032041820557067E-8 4.160760244202494E-6 4.502430837512349E-7 -2.964852462909515E-6 1.499128796491433E-6
node 6.055065560001515E-8 -5.521188593201399E-9 4.502430837512349E-7 5.293076327479031E-8 -3.338413022098688E-7 1.614953297884877E-7
peri -3.985384369891551E-7 3.632911903923014E-8 -2.964852462909515E-6 -3.338413022098688E-7 2.180479959369962E-6 -1.070174029265674E-6
i 2.000174577945951E-7 -1.815323919481807E-8 1.499128796491433E-6 1.614953297884877E-7 -1.070174029265674E-6 5.409714340215605E-7

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 25.9   .45488 E2020A86 autocmod 2.8

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