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19541 (1999 JA27)
Classification: Main-belt Asteroid          SPK-ID: 2019541
[ 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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2437412716459014 3.5754e-08  
a 2.354350952105657 9.1919e-09 au
q 1.780498457138685 8.2658e-08 au
i 2.355045298828973 3.9493e-06 deg
node 169.8065873798525 7.9194e-05 deg
peri 160.6525864831806 7.9487e-05 deg
M 273.4271743459506 8.0986e-06 deg
tp 2459517.810410696491
(2021-Oct-30.31041070)		 3.0832e-05 TDB
period 1319.487344761211
3.61		 7.7274e-06
2.116e-08		 d
yr
n .2728332343840322 1.5978e-09 deg/d
Q 2.928203447072629 1.1432e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1437  
   data-arc span      15484 days (42.39 yr)  
   first obs. used      1978-09-27  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5303  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:57:26  

Additional Information
 Earth MOID = .768005 au 
 Jupiter MOID = 2.44074 au 
 T_jup = 3.514 
[ 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 15.11   n/a E2021B10  

19541 (1999 JA27)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1999 JA27 = 1978 SN5 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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