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JPL Small-Body Database Browser
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59645 (1999 JH89)
Classification: Main-belt Asteroid          SPK-ID: 2059645
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09407645753960268 4.098e-08  
a 2.759037160122572 1.4778e-08 au
q 2.499476717878115 1.1346e-07 au
i 9.156997186975545 4.7763e-06 deg
node 187.0971523004079 2.3196e-05 deg
peri 39.24382839571351 3.069e-05 deg
M 123.8787186542167 2.0923e-05 deg
tp 2458024.491416235451
(2017-Sep-27.99141624)
9.5874e-05 TDB
period 1673.920205245674
4.58
1.3449e-05
3.682e-08
d
yr
n .2150640149224821 1.7279e-09 deg/d
Q 3.018597602367029 1.6168e-08 au
  Orbit Determination Parameters
   # obs. used (total)      866  
   data-arc span      7536 days (20.63 yr)  
   first obs. used      1999-04-11  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57464  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:12:11  

Additional Information
 Earth MOID = 1.49892 au 
 Jupiter MOID = 1.96507 au 
 T_jup = 3.317 
[ 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 15.0   n/a MPO267896  

59645 (1999 JH89)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JH89 = 2000 QD86 = 2003 BG25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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