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59657 (1999 JC95)
Classification: Main-belt Asteroid          SPK-ID: 2059657
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1283641109721286 3.3759e-08  
a 2.721867853161959 1.3158e-08 au
q 2.372477706007208 9.2476e-08 au
i 12.07692490169114 4.0228e-06 deg
node 188.9108659264882 1.7914e-05 deg
peri 86.27613978403924 2.3596e-05 deg
M 215.1819022991487 1.5685e-05 deg
tp 2459660.310646675827
(2022-Mar-21.81064668)
7.2837e-05 TDB
period 1640.208209984667
4.49
1.1894e-05
3.256e-08
d
yr
n .2194843299823291 1.5915e-09 deg/d
Q 3.07125800031671 1.4847e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1302  
   data-arc span      16936 days (46.37 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50962  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:51:36  

Additional Information
 Earth MOID = 1.39471 au 
 Jupiter MOID = 2.10661 au 
 T_jup = 3.314 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456879.5 (2014-Aug-10.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1302529095758447 3.3692e-08  
q 2.365679929676266 9.2413e-08 au
tp 2456380.442802247501
(2013-Mar-28.94280225)
6.7769e-05 TDB
node 188.9625066877945 1.7929e-05 deg
peri 86.16085406634153 2.3453e-05 deg
i 12.07379735060513 4.0221e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1302  
   data-arc span      16936 days (46.37 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50962  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:51:36  

Additional Information
 Jupiter MOID = 2.10661 au 
 T_jup = 3.314 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.135176298643089E-15 -3.089968972504324E-15 -3.994736957446257E-13 4.533277509096938E-15 -8.323433802370559E-14 -1.83507246334109E-15
q -3.089968972504324E-15 8.540241208956438E-15 1.078862713552245E-12 -1.163815390802174E-14 2.321007757997743E-13 5.607709661899521E-15
tp -3.994736957446257E-13 1.078862713552245E-12 4.592605460861191E-9 -4.368818969692076E-12 1.039094133346847E-9 3.410295035293396E-12
node 4.533277509096938E-15 -1.163815390802174E-14 -4.368818969692076E-12 3.214363858136202E-10 -3.149422931948285E-10 1.062714932442096E-11
peri -8.323433802370559E-14 2.321007757997743E-13 1.039094133346847E-9 -3.149422931948285E-10 5.500516722771029E-10 -9.618528174245011E-12
i -1.83507246334109E-15 5.607709661899521E-15 3.410295035293396E-12 1.062714932442096E-11 -9.618528174245011E-12 1.617730224260059E-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 14.4   n/a MPO417237  

59657 (1999 JC95)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JC95 = 1601 T-2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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