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JPL Small-Body Database Browser
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(A/2021 E2)
Classification: TransNeptunian Object          SPK-ID: 54141145
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459342.5 (2021-May-08.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9894200680706998 0.00020935  
a 216.2749004164962 4.2819 au
q 2.288173724422705 3.1761e-05 au
i 167.4861336321088 0.00029916 deg
node 190.8083554879459 0.00057599 deg
peri 342.4505184410162 0.0028167 deg
M .04603840136386032 0.00137 deg
tp 2459193.931977769875
(2020-Dec-10.43197777)
0.0091305 TDB
period 1161736.429120013
3180.66
34501
94.46
d
yr
n .0003098809600665543 9.2028e-06 deg/d
Q 430.2616271085697 8.5186 au
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      89 days  
   first obs. used      2021-03-07  
   last obs. used      2021-06-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .36796  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-06 14:08:42  

Additional Information
 Earth MOID = 1.28785 au 
 Jupiter MOID = .968046 au 
 T_jup = -1.802 
[ 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 17.905   .4461 5 autocmod 2.9c

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