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59147 (1998 XG77)
Classification: Main-belt Asteroid          SPK-ID: 2059147
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06082204161212143 3.5252e-08  
a 2.312514526277868 8.4316e-09 au
q 2.17186267153196 8.2888e-08 au
i 4.078729138203583 3.6025e-06 deg
node 262.9046628700612 5.7106e-05 deg
peri 216.5613410302028 6.6466e-05 deg
M 3.210775531684082 3.3565e-05 deg
tp 2458989.044011341241
(2020-May-19.54401134)
0.00011976 TDB
period 1284.473447756154
3.52
7.0249e-06
1.923e-08
d
yr
n .2802704879800232 1.5328e-09 deg/d
Q 2.453166381023776 8.9444e-09 au
  Orbit Determination Parameters
   # obs. used (total)      949  
   data-arc span      7734 days (21.17 yr)  
   first obs. used      1998-11-25  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51812  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:43:29  

Additional Information
 Earth MOID = 1.18957 au 
 Jupiter MOID = 2.59284 au 
 T_jup = 3.578 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456898.5 (2014-Aug-29.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06011129952919129 3.529e-08  
q 2.17343321497323 8.289e-08 au
tp 2456420.195848443544
(2013-May-07.69584844)
0.00012105 TDB
node 262.969174667607 5.7162e-05 deg
peri 216.5393836257071 6.6737e-05 deg
i 4.076236585590874 3.601e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      949  
   data-arc span      7734 days (21.17 yr)  
   first obs. used      1998-11-25  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51812  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:43:29  

Additional Information
 Jupiter MOID = 2.59284 au 
 T_jup = 3.578 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.245362827455085E-15 -2.911992354825041E-15 8.594550384489063E-13 5.840022222436128E-15 2.67715620013051E-13 -4.769798254499617E-16
q -2.911992354825041E-15 6.870678565460538E-15 -2.02195039061471E-12 -1.430411283829517E-14 -6.23490689396589E-13 1.2100847520581E-15
tp 8.594550384489063E-13 -2.02195039061471E-12 1.465282115577664E-8 2.783295904091537E-11 4.184192032416143E-9 6.122514668188229E-13
node 5.840022222436128E-15 -1.430411283829517E-14 2.783295904091537E-11 3.267490703688101E-9 -3.250943551529108E-9 -5.308328329398891E-12
peri 2.67715620013051E-13 -6.23490689396589E-13 4.184192032416143E-9 -3.250943551529108E-9 4.453843362741144E-9 5.457606549702807E-12
i -4.769798254499617E-16 1.2100847520581E-15 6.122514668188229E-13 -5.308328329398891E-12 5.457606549702807E-12 1.2967340179088E-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 15.6   n/a MPO502544  

59147 (1998 XG77)          Discovered 1998-Dec-14 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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