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JPL Small-Body Database Browser
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59554 (1999 JW40)
Classification: Main-belt Asteroid          SPK-ID: 2059554
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1170478629240609 3.7433e-08  
a 2.54427872630541 1.2693e-08 au
q 2.24647633870821 9.6278e-08 au
i 14.41036799673345 5.8985e-06 deg
node 61.31332428181029 2.6984e-05 deg
peri 199.9393204421593 4.8008e-05 deg
M 304.7822950754174 4.0495e-05 deg
tp 2458827.863793997203
(2019-Dec-10.36379400)
0.00016722 TDB
period 1482.331906963297
4.06
1.1093e-05
3.037e-08
d
yr
n .2428605889874526 1.8174e-09 deg/d
Q 2.84208111390261 1.4179e-08 au
  Orbit Determination Parameters
   # obs. used (total)      723  
   data-arc span      7306 days (20.00 yr)  
   first obs. used      1999-05-08  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59724  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:15:08  

Additional Information
 Earth MOID = 1.23612 au 
 Jupiter MOID = 2.20984 au 
 T_jup = 3.390 
[ 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 15.3   n/a MPO280111  

59554 (1999 JW40)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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