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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1138330484165878 2.9247e-08  
a 2.308327397914724 6.9598e-09 au
q 2.045563453466561 6.6567e-08 au
i 7.293446165875022 3.0425e-06 deg
node 53.47540632095425 2.7706e-05 deg
peri 237.8489306861928 3.2079e-05 deg
M 14.77495118206649 1.5601e-05 deg
tp 2458947.926354769297
(2020-Apr-08.42635477)
5.5546e-05 TDB
period 1280.986451314021
3.51
5.7934e-06
1.586e-08
d
yr
n .2810334173563789 1.271e-09 deg/d
Q 2.571091342362887 7.752e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2435  
   data-arc span      10823 days (29.63 yr)  
   first obs. used      1991-03-14  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4181  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:07:13  

Additional Information
 Earth MOID = 1.04026 au 
 Jupiter MOID = 2.57221 au 
 T_jup = 3.567 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457210.5 (2015-Jul-07.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1131958465134924 2.925e-08  
q 2.047534663662085 6.6477e-08 au
tp 2457667.091455075743
(2016-Oct-05.59145508)
5.7085e-05 TDB
node 53.51918908372751 2.77e-05 deg
peri 237.7574497866573 3.211e-05 deg
i 7.293796030635773 3.0423e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2435  
   data-arc span      10823 days (29.63 yr)  
   first obs. used      1991-03-14  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4181  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:07:13  

Additional Information
 Jupiter MOID = 2.57221 au 
 T_jup = 3.567 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.555853713070848E-16 -1.936477796947167E-15 3.065001950792963E-13 -8.670860468081456E-15 7.534563923363175E-14 -1.17578303854216E-15
q -1.936477796947167E-15 4.419189886039559E-15 -7.937725801995844E-13 2.039010511203249E-14 -2.017407189493557E-13 2.679559898263121E-15
tp 3.065001950792963E-13 -7.937725801995844E-13 3.258705291504797E-9 -5.427351293182208E-12 9.399745457000846E-10 -4.335677376912171E-12
node -8.670860468081456E-15 2.039010511203249E-14 -5.427351293182208E-12 7.672883952276347E-10 -7.62113013381402E-10 -1.544340920089737E-11
peri 7.534563923363175E-14 -2.017407189493557E-13 9.399745457000846E-10 -7.62113013381402E-10 1.031043603581378E-9 1.412040378694133E-11
i -1.17578303854216E-15 2.679559898263121E-15 -4.335677376912171E-12 -1.544340920089737E-11 1.412040378694133E-11 9.255694035791384E-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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