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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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1162747946582572 3.009e-08  
a 2.561760649601061 9.3893e-09 au
q 2.263892456105094 7.8196e-08 au
i 12.91687028474409 3.8996e-06 deg
node 207.176619090731 1.4938e-05 deg
peri 22.12479262618101 2.3779e-05 deg
M 60.10171079969898 1.8488e-05 deg
tp 2458750.470883674386
(2019-Sep-23.97088367)
7.6582e-05 TDB
period 1497.635935476098
4.10
8.2336e-06
2.254e-08
d
yr
n .240378847403629 1.3215e-09 deg/d
Q 2.859628843097028 1.0481e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1905  
   data-arc span      7753 days (21.23 yr)  
   first obs. used      1999-05-12  
   last obs. used      2020-08-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50438  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 05:22:48  

Additional Information
 Earth MOID = 1.26 au 
 Jupiter MOID = 2.12329 au 
 T_jup = 3.390 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457089.5 (2015-Mar-08.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1153396715185601 3.0263e-08  
q 2.265636205463995 7.8457e-08 au
tp 2457251.920638957727
(2015-Aug-17.42063896)
7.5437e-05 TDB
node 207.2290053531968 1.4932e-05 deg
peri 21.722552628842 2.3822e-05 deg
i 12.92013416062016 3.9001e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1905  
   data-arc span      7753 days (21.23 yr)  
   first obs. used      1999-05-12  
   last obs. used      2020-08-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50438  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 05:22:48  

Additional Information
 Jupiter MOID = 2.12329 au 
 T_jup = 3.390 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.158691928763219E-16 -2.361331480286781E-15 -1.034560973846917E-12 -4.506434082014309E-15 -2.619187601238371E-13 2.538408108492807E-15
q -2.361331480286781E-15 6.15550879297638E-15 2.732209107080396E-12 1.192497634362802E-14 6.881503124505684E-13 -6.764245412849659E-15
tp -1.034560973846917E-12 2.732209107080396E-12 5.690778983789436E-9 -8.55498210163078E-14 1.411583331179099E-9 -7.694526588926488E-12
node -4.506434082014309E-15 1.192497634362802E-14 -8.55498210163078E-14 2.229766862249828E-10 -2.170633384578238E-10 -2.188850163950501E-11
peri -2.619187601238371E-13 6.881503124505684E-13 1.411583331179099E-9 -2.170633384578238E-10 5.674965293603526E-10 1.951065751839693E-11
i 2.538408108492807E-15 -6.764245412849659E-15 -7.694526588926488E-12 -2.188850163950501E-11 1.951065751839693E-11 1.521081933809612E-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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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1960-Jul-20 23:09 00:01 Europ 0.0299967661182341 0.0299892398342563 0.0300042926569092 4.51105994679918 4.51105986825416 2437136.464541616 1.46647434132335 399.710889352892 24.420992925359 20.2437902731972 64408.8917971635 T 28 CATAB v2.0f-lin.ifort 2020-Aug-25 05:23:00 2020-Aug-25 05:23

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