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(A/2020 A1)
Classification: Centaur          SPK-ID: 3986638
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458917.5 (2020-Mar-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .935568333040018 9.7968e-05  
a 25.93646348372718 0.039819 au
q 1.671129577303245 2.4776e-05 au
i 149.0474617935786 0.00031054 deg
node 119.2786319309162 0.00033482 deg
peri 302.714147062173 0.0021015 deg
M .7254448947990303 0.001705 deg
tp 2458820.277565355332
(2019-Dec-02.77756536)
0.004624 TDB
period 48246.3612646644
132.09
111.1
0.3042
d
yr
n .007461702614735087 1.7183e-05 deg/d
Q 50.20179739015111 0.077071 au
  Orbit Determination Parameters
   # obs. used (total)      57  
   data-arc span      83 days  
   first obs. used      2020-01-01  
   last obs. used      2020-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .38941  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:13:21  

Additional Information
 Earth MOID = .840085 au 
 Jupiter MOID = .382291 au 
 T_jup = -1.152 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.072   .49509 10 autocmod 2.9c
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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