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JPL Small-Body Database Browser
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59671 (1999 JW99)
Classification: Main-belt Asteroid          SPK-ID: 2059671
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2856472870908237 4.0493e-08  
a 2.633733683447988 1.4918e-08 au
q 1.881414801851348 1.0565e-07 au
i 14.21446822225935 5.734e-06 deg
node 186.1512721962989 2.309e-05 deg
peri 157.9493483779428 2.6307e-05 deg
M 169.2884684097027 1.5182e-05 deg
tp 2457866.356278381778
(2017-Apr-22.85627838)
6.2047e-05 TDB
period 1561.191629089203
4.27
1.3265e-05
3.632e-08
d
yr
n .2305930888253759 1.9592e-09 deg/d
Q 3.386052565044629 1.918e-08 au
  Orbit Determination Parameters
   # obs. used (total)      584  
   data-arc span      10083 days (27.61 yr)  
   first obs. used      1991-09-13  
   last obs. used      2019-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55886  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:39:53  

Additional Information
 Earth MOID = .881662 au 
 Jupiter MOID = 2.09323 au 
 T_jup = 3.298 
[ 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 15.1   n/a MPO333328  

59671 (1999 JW99)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JW99 = 1991 RC14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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