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19680 (1999 RE180)
Classification: Main-belt Asteroid          SPK-ID: 2019680
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1135978882292305 1.7801e-08  
a 2.307562944451625 6.6832e-09 au
q 2.045428667005895 4.0218e-08 au
i 7.293675546551242 6.3995e-07 deg
node 53.465876924479 7.4222e-06 deg
peri 237.75706966 7.0038e-06 deg
M 71.10138185409659 7.0764e-06 deg
tp 2458947.625928069657
(2020-Apr-08.12592807)
2.5293e-05 TDB
period 1280.350163682202
3.51
5.5623e-06
1.523e-08
d
yr
n .2811730807802327 1.2215e-09 deg/d
Q 2.569697221897355 7.4424e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2665  
   data-arc span      10928 days (29.92 yr)  
   first obs. used      1991-03-14  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41988  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:02:01  

Additional Information
 Earth MOID = 1.03821 au 
 Jupiter MOID = 2.572 au 
 T_jup = 3.567 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.86   n/a E2021B10  

19680 (1999 RE180)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RE180 = 1991 EB1 = 1998 FL92 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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