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JPL Small-Body Database Browser
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(2020 AN2)
Classification: Apollo [NEO]          SPK-ID: 3978225
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458855.5 (2020-Jan-07.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6655600997875565 0.0048775  
a 2.449681643434989 0.03498 au
q .8192712843826523 0.00036989 au
i 1.022832157339709 0.0040641 deg
node 259.8583225258365 0.26732 deg
peri 144.4984338580778 0.33871 deg
M 10.74999459866381 0.25746 deg
tp 2458813.681481417934
(2019-Nov-26.18148142)
0.10665 TDB
period 1400.434814303535
3.83
29.996
0.08212
d
yr
n .2570630180877325 0.0055061 deg/d
Q 4.080092002487326 0.058261 au
  Orbit Determination Parameters
   # obs. used (total)      18  
   data-arc span      1 day  
   first obs. used      2020-01-06  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      9  
   norm. resid. RMS      .31076  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-07 11:42:11  

Additional Information
 Earth MOID = .00563207 au 
 Jupiter MOID = 1.34566 au 
 T_jup = 3.148 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 2.378955987098147E-5 -1.232066567871063E-6 .0005138662057829821 -.001195415019163034 .001488794845955918 -9.481265802738804E-6
q -1.232066567871063E-6 1.368192106984218E-7 -2.213068316023186E-5 3.30865768228591E-5 -3.744482134785978E-5 -4.727727492319119E-7
tp .0005138662057829821 -2.213068316023186E-5 .01137497950488972 -.02759120995508097 .0345936514435642 -.0002639733196095187
node -.001195415019163034 3.30865768228591E-5 -.02759120995508097 .07145937616946774 -.09047953636392098 .0008573336477736877
peri .001488794845955918 -3.744482134785978E-5 .0345936514435642 -.09047953636392098 .1147259892301702 -.001117303833200759
i -9.481265802738804E-6 -4.727727492319119E-7 -.0002639733196095187 .0008573336477736877 -.001117303833200759 1.651688571931543E-5

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 26.5   .25657 E2020A92 autocmod 2.8

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