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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2436028544463131 3.6473e-08  
a 2.354666997265817 9.5198e-09 au
q 1.781063395461335 8.4066e-08 au
i 2.354819399198754 3.9801e-06 deg
node 169.8049944401411 8.211e-05 deg
peri 160.6302441293169 8.2415e-05 deg
M 218.8843360622975 8.0013e-06 deg
tp 2459517.827297014388
(2021-Oct-30.32729701)
3.1179e-05 TDB
period 1319.753043201475
3.61
8.0036e-06
2.191e-08
d
yr
n .2727783064070131 1.6542e-09 deg/d
Q 2.928270599070299 1.1839e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1368  
   data-arc span      15104 days (41.35 yr)  
   first obs. used      1978-09-27  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53381  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:50:15  

Additional Information
 Earth MOID = .770487 au 
 Jupiter MOID = 2.44037 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 15.1   n/a MPO467928  

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

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