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JPL Small-Body Database Browser
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19549 (1999 JS58)
Classification: Main-belt Asteroid          SPK-ID: 2019549
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2168122100009766 3.9813e-08  
a 2.26824882131108 9.9927e-09 au
q 1.776464781530515 9.2813e-08 au
i 6.101518149322559 3.809e-06 deg
node 71.87825810536232 4.1198e-05 deg
peri 257.2411199522523 4.2013e-05 deg
M 352.4144152009127 1.2252e-05 deg
tp 2459026.791843262466
(2020-Jun-26.29184326)
4.2569e-05 TDB
period 1247.769792992967
3.42
8.2455e-06
2.257e-08
d
yr
n .2885147581081322 1.9066e-09 deg/d
Q 2.760032861091646 1.2159e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1528  
   data-arc span      11856 days (32.46 yr)  
   first obs. used      1986-11-25  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48999  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:43:55  

Additional Information
 Earth MOID = .777557 au 
 Jupiter MOID = 2.60832 au 
 T_jup = 3.576 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3   n/a MPO435880  

19549 (1999 JS58)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JS58 = 1986 WQ4 = 1996 QD2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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