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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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1162747848349918 3.505e-08  
a 2.561760652469738 1.0724e-08 au
q 2.263892483805071 9.3153e-08 au
i 12.91686852675178 4.419e-06 deg
node 207.176620224764 1.4986e-05 deg
peri 22.12479368452071 2.4293e-05 deg
M 60.10170745888588 1.9702e-05 deg
tp 2458750.470897152525
(2019-Sep-23.97089715)
8.1392e-05 TDB
period 1497.635937991692
4.10
9.4039e-06
2.575e-08
d
yr
n .2403788469998621 1.5094e-09 deg/d
Q 2.859628821134406 1.1971e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1795  
   data-arc span      7707 days (21.10 yr)  
   first obs. used      1999-05-12  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51292  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 22:39:20  

Additional Information
 Earth MOID = 1.26 au 
 Jupiter MOID = 2.12329 au 
 T_jup = 3.390 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456889.5 (2014-Aug-20.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1156425024029609 3.5297e-08  
q 2.265827901379614 9.3669e-08 au
tp 2457251.344236337945
(2015-Aug-16.84423634)
7.8509e-05 TDB
node 207.2593604413235 1.4986e-05 deg
peri 21.5347406312601 2.425e-05 deg
i 12.91609499895798 4.418e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1795  
   data-arc span      7707 days (21.10 yr)  
   first obs. used      1999-05-12  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51292  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 22:39:20  

Additional Information
 Jupiter MOID = 2.12329 au 
 T_jup = 3.390 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.245903987405505E-15 -3.291093372835487E-15 -1.441938672156312E-12 -4.725546542655775E-15 -3.435483376157091E-13 1.700788352348413E-15
q -3.291093372835487E-15 8.773790979851709E-15 3.884375281822549E-12 1.303009286451488E-14 9.190484959948185E-13 -4.930234604085756E-15
tp -1.441938672156312E-12 3.884375281822549E-12 6.163615651854896E-9 -2.229405714526361E-12 1.506116973146724E-9 -2.262476901675888E-12
node -4.725546542655775E-15 1.303009286451488E-14 -2.229405714526361E-12 2.245949501885791E-10 -2.192480224747518E-10 -2.425589338731917E-11
peri -3.435483376157091E-13 9.190484959948185E-13 1.506116973146724E-9 -2.192480224747518E-10 5.880652137548286E-10 2.318426498953749E-11
i 1.700788352348413E-15 -4.930234604085756E-15 -2.262476901675888E-12 -2.425589338731917E-11 2.318426498953749E-11 1.951891025900006E-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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