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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1138330487570253 2.9134e-08  
a 2.308327397817583 6.9351e-09 au
q 2.045563452594636 6.6252e-08 au
i 7.293446094848137 3.0186e-06 deg
node 53.47540573056334 2.7521e-05 deg
peri 237.8489312029152 3.1913e-05 deg
M 14.77495130517101 1.5571e-05 deg
tp 2458947.926354334573
(2020-Apr-08.42635433)
5.5441e-05 TDB
period 1280.986451233159
3.51
5.7728e-06
1.581e-08
d
yr
n .281033417374119 1.2665e-09 deg/d
Q 2.571091343040528 7.7245e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2472  
   data-arc span      10835 days (29.66 yr)  
   first obs. used      1991-03-14  
   last obs. used      2020-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41549  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:11:47  

Additional Information
 Earth MOID = 1.04026 au 
 Jupiter MOID = 2.57221 au 
 T_jup = 3.567 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457261.5 (2015-Aug-27.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1131697072038026 2.913e-08  
q 2.047423445058059 6.6128e-08 au
tp 2457667.292530102999
(2016-Oct-05.79253010)
5.702e-05 TDB
node 53.50819514618858 2.7513e-05 deg
peri 237.8287420796551 3.1946e-05 deg
i 7.294200476216999 3.0187e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2472  
   data-arc span      10835 days (29.66 yr)  
   first obs. used      1991-03-14  
   last obs. used      2020-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41549  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:11:47  

Additional Information
 Jupiter MOID = 2.57221 au 
 T_jup = 3.567 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.485832369299697E-16 -1.918407215051103E-15 3.149721689787981E-13 -8.405666430162878E-15 7.676548383341548E-14 -1.160826823787332E-15
q -1.918407215051103E-15 4.372931934809182E-15 -8.160708931490338E-13 1.963877575546011E-14 -2.05619755971828E-13 2.670279349360514E-15
tp 3.149721689787981E-13 -8.160708931490338E-13 3.251335133689607E-9 -4.971835822019102E-12 9.384798111125071E-10 -4.287081683110344E-12
node -8.405666430162878E-15 1.963877575546011E-14 -4.971835822019102E-12 7.569646757160073E-10 -7.517394533461177E-10 -1.667573968658986E-11
peri 7.676548383341548E-14 -2.05619755971828E-13 9.384798111125071E-10 -7.517394533461177E-10 1.020571192462947E-9 1.535280897677754E-11
i -1.160826823787332E-15 2.670279349360514E-15 -4.287081683110344E-12 -1.667573968658986E-11 1.535280897677754E-11 9.112814033301662E-12

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 13.8   n/a MPO384923  

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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