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JPL Small-Body Database Browser
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(2020 AU1)
Classification: Apollo [NEO]          SPK-ID: 3976538
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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4849568094917552 0.00028196  
a 1.924729161867385 0.001062 au
q .9913186483924382 4.2889e-06 au
i 1.197338535490045 0.00046683 deg
node 302.4755575980298 0.0025935 deg
peri 165.5262732934335 0.0026947 deg
M 52.96043128735072 0.043714 deg
tp 2458857.016527422525
(2020-Jan-08.51652742)
0.00032889 TDB
period 975.3328829145717
2.67
0.80726
0.00221
d
yr
n .3691047500871884 0.0003055 deg/d
Q 2.858139675342333 0.0015771 au
  Orbit Determination Parameters
   # obs. used (total)      79  
   data-arc span      7 days  
   first obs. used      2019-12-31  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .48965  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-10 05:41:13  

Additional Information
 Earth MOID = .00936587 au 
 Jupiter MOID = 2.29933 au 
 T_jup = 3.767 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458852.5 (2020-Jan-04.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4881446348577843 0.00027882  
q .9912991968966851 4.2982e-06 au
tp 2458856.845004287628
(2020-Jan-08.34500429)
5.7711e-05 TDB
node 303.2562375134366 0.0014482 deg
peri 164.5218905468593 0.0012149 deg
i 1.145806100294415 0.00052685 deg
  Orbit Determination Parameters
   # obs. used (total)      79  
   data-arc span      7 days  
   first obs. used      2019-12-31  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .48965  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-10 05:41:13  

Additional Information
 Jupiter MOID = 2.29933 au 
 T_jup = 3.767 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.774219836407322E-8 1.19838383678337E-9 -1.001125945091792E-8 3.963586371501883E-7 -3.26675538958954E-7 1.468494714934965E-7
q 1.19838383678337E-9 1.847474439290985E-11 -1.561115718197095E-10 6.119557209225524E-9 -5.047577659604125E-9 2.263234279646737E-9
tp -1.001125945091792E-8 -1.561115718197095E-10 3.330584904531692E-9 -6.07982648934829E-8 5.430442932269048E-8 -1.846314799099706E-8
node 3.963586371501883E-7 6.119557209225524E-9 -6.07982648934829E-8 2.097349388527503E-6 -1.753921792170066E-6 7.450183104132837E-7
peri -3.26675538958954E-7 -5.047577659604125E-9 5.430442932269048E-8 -1.753921792170066E-6 1.475965749625946E-6 -6.128490341770984E-7
i 1.468494714934965E-7 2.263234279646737E-9 -1.846314799099706E-8 7.450183104132837E-7 -6.128490341770984E-7 2.775692206621958E-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 26.5   .23464 E2020-AB0 autocmod 2.8

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