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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1138330425934117 3.1678e-08  
a 2.308327399727831 7.7573e-09 au
q 2.045563468515073 7.3482e-08 au
i 7.293449358497139 3.7048e-06 deg
node 53.47541647843033 2.8433e-05 deg
peri 237.848923955503 3.3077e-05 deg
M 14.77494658056041 1.7404e-05 deg
tp 2458947.926371080874
(2020-Apr-08.42637108)
6.1906e-05 TDB
period 1280.986452823273
3.51
6.4572e-06
1.768e-08
d
yr
n .2810334170252667 1.4166e-09 deg/d
Q 2.571091330940589 8.6403e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2194  
   data-arc span      10735 days (29.39 yr)  
   first obs. used      1991-03-14  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43328  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 01:29:31  

Additional Information
 Earth MOID = 1.04026 au 
 Jupiter MOID = 2.57221 au 
 T_jup = 3.567 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456802.5 (2014-May-25.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1139518720793943 3.1771e-08  
q 2.04458013602128 7.3629e-08 au
tp 2456385.217392720652
(2013-Apr-02.71739272)
6.2108e-05 TDB
node 53.57574784841204 2.8413e-05 deg
peri 237.4794844044224 3.3021e-05 deg
i 7.296968853931459 3.7062e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2194  
   data-arc span      10735 days (29.39 yr)  
   first obs. used      1991-03-14  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43328  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 01:29:31  

Additional Information
 Jupiter MOID = 2.57221 au 
 T_jup = 3.567 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.009371234882334E-15 -2.329241691477461E-15 3.698446724798636E-15 -5.796736394343389E-15 6.845505662597548E-15 4.77488737572345E-16
q -2.329241691477461E-15 5.421268843758956E-15 -6.473734217699615E-14 1.35719172946423E-14 -2.719486747335906E-14 -1.12512753821911E-15
tp 3.698446724798636E-15 -6.473734217699615E-14 3.857408550542295E-9 7.796362799401442E-13 1.057319541947952E-9 -1.847217370982895E-12
node -5.796736394343389E-15 1.35719172946423E-14 7.796362799401442E-13 8.073235933413949E-10 -7.999250937488539E-10 -3.549908667350381E-12
peri 6.845505662597548E-15 -2.719486747335906E-14 1.057319541947952E-9 -7.999250937488539E-10 1.090417409138855E-9 3.042691792119432E-12
i 4.77488737572345E-16 -1.12512753821911E-15 -1.847217370982895E-12 -3.549908667350381E-12 3.042691792119432E-12 1.373576148510779E-11

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

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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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