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59640 (1999 JH84)
Classification: Main-belt Asteroid          SPK-ID: 2059640
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1152091558609502 4.2807e-08  
a 2.624613268073006 1.4068e-08 au
q 2.322233788996865 1.1156e-07 au
i 16.11197526630692 4.2837e-06 deg
node 114.4285200719515 1.7623e-05 deg
peri 168.0376296945052 2.6819e-05 deg
M 304.3273396958105 2.1328e-05 deg
tp 2459240.679469096653
(2021-Jan-26.17946910)
9.2301e-05 TDB
period 1553.08922552581
4.25
1.2487e-05
3.419e-08
d
yr
n .2317960836268884 1.8637e-09 deg/d
Q 2.926992747149147 1.5689e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1014  
   data-arc span      7623 days (20.87 yr)  
   first obs. used      1999-03-21  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53327  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:51:31  

Additional Information
 Earth MOID = 1.30775 au 
 Jupiter MOID = 2.26256 au 
 T_jup = 3.338 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456975.5 (2014-Nov-14.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1151117234807046 4.3137e-08  
q 2.324238673169674 1.1254e-07 au
tp 2457683.039398668345
(2016-Oct-21.53939867)
9.0608e-05 TDB
node 114.4819604366591 1.7595e-05 deg
peri 167.1077485066762 2.6698e-05 deg
i 16.12182730940488 4.287e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1014  
   data-arc span      7623 days (20.87 yr)  
   first obs. used      1999-03-21  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53327  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:51:31  

Additional Information
 Jupiter MOID = 2.26256 au 
 T_jup = 3.338 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.860843475922054E-15 -4.825087429053075E-15 -1.190985877207284E-12 -1.759017303532897E-14 -2.151499401354417E-13 -5.788793638418443E-15
q -4.825087429053075E-15 1.266547997356205E-14 3.197227184836453E-12 4.609208714903927E-14 5.65946624466316E-13 1.51464070198523E-14
tp -1.190985877207284E-12 3.197227184836453E-12 8.209761381728514E-9 3.736250344068454E-11 1.843679742982398E-9 7.758703694942872E-12
node -1.759017303532897E-14 4.609208714903927E-14 3.736250344068454E-11 3.095856818300374E-10 -2.8878681342359E-10 -1.209059586883694E-11
peri -2.151499401354417E-13 5.65946624466316E-13 1.843679742982398E-9 -2.8878681342359E-10 7.127879407210761E-10 1.334229784534689E-11
i -5.788793638418443E-15 1.51464070198523E-14 7.758703694942872E-12 -1.209059586883694E-11 1.334229784534689E-11 1.837834357764234E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6   n/a MPO432150  

59640 (1999 JH84)          Discovered 1999-May-12 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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