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59633 (1999 JC78)
Classification: Main-belt Asteroid          SPK-ID: 2059633
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1162748185154475 3.8357e-08  
a 2.561760646807655 1.1996e-08 au
q 2.26389239252008 1.0298e-07 au
i 12.91686824168053 4.7e-06 deg
node 207.17660735734 1.5428e-05 deg
peri 22.12480954208537 2.5136e-05 deg
M 60.10170141179757 2.1017e-05 deg
tp 2458750.470923137949
(2019-Sep-23.97092314)
8.6667e-05 TDB
period 1497.63593302651
4.10
1.052e-05
2.88e-08
d
yr
n .2403788477968013 1.6884e-09 deg/d
Q 2.859628901095231 1.3391e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1626  
   data-arc span      7304 days (20.00 yr)  
   first obs. used      1999-05-12  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50676  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:15:25  

Additional Information
 Earth MOID = 1.26 au 
 Jupiter MOID = 2.12329 au 
 T_jup = 3.390 
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Orbital Elements at Epoch 2456733.5 (2014-Mar-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1160188666850043 3.8638e-08  
q 2.264634399283724 1.0376e-07 au
tp 2457251.113694166953
(2015-Aug-16.61369417)
8.2209e-05 TDB
node 207.3118927776558 1.5431e-05 deg
peri 21.48502184544145 2.4995e-05 deg
i 12.91740748529821 4.6981e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1626  
   data-arc span      7304 days (20.00 yr)  
   first obs. used      1999-05-12  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50676  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:15:25  

Additional Information
 Jupiter MOID = 2.12329 au 
 T_jup = 3.390 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.492885500769372E-15 -3.991581254572652E-15 -1.769576375392669E-12 -6.412067150405501E-15 -4.095972491286197E-13 1.118104913762556E-15
q -3.991581254572652E-15 1.076524872481782E-14 4.830805480303906E-12 1.84023432520361E-14 1.109815918457542E-12 -3.350705831985841E-15
tp -1.769576375392669E-12 4.830805480303906E-12 6.758393794060558E-9 1.696087995532699E-13 1.625651353962477E-9 -4.292163372447526E-13
node -6.412067150405501E-15 1.84023432520361E-14 1.696087995532699E-13 2.381051344994402E-10 -2.318708452461973E-10 -2.775633554449207E-11
peri -4.095972491286197E-13 1.109815918457542E-12 1.625651353962477E-9 -2.318708452461973E-10 6.247384444757299E-10 2.700004008501197E-11
i 1.118104913762556E-15 -3.350705831985841E-15 -4.292163372447526E-13 -2.775633554449207E-11 2.700004008501197E-11 2.207195675101802E-11

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 13.7   n/a MPO337726  
diameter diameter 5.718 km 0.171 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.215   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59633 (1999 JC78)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1999 JC78 = 2000 RB33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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