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(2020 RS4)
Classification: Amor [NEO]          SPK-ID: 54053947
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .438132784412849 0.00067183  
a 1.814160095597507 0.0022659 au
q 1.019317081542691 5.4643e-05 au
i 7.236097914946974 0.010718 deg
node 162.4228187648955 0.004794 deg
peri 254.9130250710094 0.0068893 deg
M 291.1428135117991 0.13056 deg
tp 2459171.209863241985
(2020-Nov-17.70986324)
0.0038485 TDB
period 892.5074331587062
2.44
1.6722
0.004578
d
yr
n .4033579851832837 0.00075571 deg/d
Q 2.609003109652323 0.0032587 au
  Orbit Determination Parameters
   # obs. used (total)      31  
   data-arc span      24 days  
   first obs. used      2020-09-10  
   last obs. used      2020-10-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .62804  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-04 06:51:45  

Additional Information
 Earth MOID = .113046 au 
 Jupiter MOID = 2.79188 au 
 T_jup = 3.921 
[ 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 23.879   .39247 7 autocmod 2.8

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