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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1135978936129328 2.8925e-08  
a 2.307562945002951 6.875e-09 au
q 2.04542865507136 6.5639e-08 au
i 7.29367345002287 3.0052e-06 deg
node 53.46587563071011 2.7125e-05 deg
peri 237.757060030058 3.1575e-05 deg
M 71.10139059933479 1.5566e-05 deg
tp 2458947.625896876345
(2020-Apr-08.12589688)		 5.5528e-05 TDB
period 1280.350164141057
3.51		 5.7218e-06
1.567e-08		 d
yr
n .2811730806794653 1.2566e-09 deg/d
Q 2.569697234934542 7.6559e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2601  
   data-arc span      10900 days (29.84 yr)  
   first obs. used      1991-03-14  
   last obs. used      2021-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42137  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:44:10  

Additional Information
 Earth MOID = 1.03821 au 
 Jupiter MOID = 2.572 au 
 T_jup = 3.567 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457365.5 (2015-Dec-09.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1131319758417825 2.8916e-08  
q 2.047110303425687 6.5551e-08 au
tp 2457667.613400401730
(2016-Oct-06.11340040)		 5.7004e-05 TDB
node 53.49657903520725 2.711e-05 deg
peri 237.9477753405472 3.1587e-05 deg
i 7.295197652333679 3.0057e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      2601  
   data-arc span      10900 days (29.84 yr)  
   first obs. used      1991-03-14  
   last obs. used      2021-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42137  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:44:10  

Additional Information
 Jupiter MOID = 2.572 au 
 T_jup = 3.567 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.361274338903297E-16 -1.887618532228485E-15 3.162636891770606E-13 -7.419958060323256E-15 7.521206401763785E-14 -1.106166614924595E-15
q -1.887618532228485E-15 4.296875520140847E-15 -8.201663670297729E-13 1.725698911186204E-14 -2.021339373384556E-13 2.579916231449855E-15
tp 3.162636891770606E-13 -8.201663670297729E-13 3.249438213544487E-9 -2.829015259132054E-12 9.36246709086209E-10 -4.184454646938752E-12
node -7.419958060323256E-15 1.725698911186204E-14 -2.829015259132054E-12 7.34968493273062E-10 -7.292939883942562E-10 -1.795825234826106E-11
peri 7.521206401763785E-14 -2.021339373384556E-13 9.36246709086209E-10 -7.292939883942562E-10 9.977165963094629E-10 1.665164250024343E-11
i -1.106166614924595E-15 2.579916231449855E-15 -4.184454646938752E-12 -1.795825234826106E-11 1.665164250024343E-11 9.034295855689759E-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 13.86   n/a E2021B10  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2050-Mar-12 10:46 00:05 Ceres 0.0191362685535278 0.0191325700757676 0.019139967834304 2.35251461541805 2.3525052310951 2469877.948278818 4.78406444902746 263.44859076472 22.8351214471769 -47.1288980916545 90011.9743094807 T 33 CATAB v2.0f-lin.ifort 2021-Feb-24 02:44:15 2021-Feb-24 02:44

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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