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(2020 SB4)
Classification: Amor [NEO]          SPK-ID: 54054601
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459110.5 (2020-Sep-18.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3902533371923276 0.0032477  
a 1.671630934108418 0.0096673 au
q 1.01927138351868 0.00046573 au
i 30.53262365833134 0.12992 deg
node 357.7167662026198 0.0012446 deg
peri 307.7152796383864 0.14182 deg
M 21.58006253040404 0.2587 deg
tp 2459063.178421398435
(2020-Aug-01.67842140)
0.15679 TDB
period 789.4216373359343
2.16
6.8481
0.01875
d
yr
n .4560300642567818 0.003956 deg/d
Q 2.323990484698156 0.01344 au
  Orbit Determination Parameters
   # obs. used (total)      20  
   data-arc span      13 days  
   first obs. used      2020-09-14  
   last obs. used      2020-09-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      9  
   norm. resid. RMS      .75356  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-27 06:55:04  

Additional Information
 Earth MOID = .123914 au 
 Jupiter MOID = 3.25969 au 
 T_jup = 4.012 
[ show covariance matrix ]

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 23.789   .29984 2 autocmod 2.8

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