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59004 (1998 SO43)
Classification: Main-belt Asteroid          SPK-ID: 2059004
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1750887113505648 3.8054e-08  
a 3.122034831525674 2.1332e-08 au
q 2.575401776082266 1.2165e-07 au
i .769932798377579 4.9006e-06 deg
node 227.8713013672041 0.00032782 deg
peri 76.95750115830064 0.00032811 deg
M 16.49506084558136 1.4721e-05 deg
tp 2458908.177732179553
(2020-Feb-28.67773218)
8.1987e-05 TDB
period 2014.907172910739
5.52
2.0651e-05
5.654e-08
d
yr
n .1786682805242801 1.8312e-09 deg/d
Q 3.668667886969082 2.5067e-08 au
  Orbit Determination Parameters
   # obs. used (total)      889  
   data-arc span      8539 days (23.38 yr)  
   first obs. used      1995-12-27  
   last obs. used      2019-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56984  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:14:16  

Additional Information
 Earth MOID = 1.56042 au 
 Jupiter MOID = 1.58138 au 
 T_jup = 3.192 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456336.5 (2013-Feb-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1757231487913299 3.78e-08  
q 2.572438051344694 1.2084e-07 au
tp 2456899.693926787068
(2014-Aug-30.19392679)
7.6434e-05 TDB
node 227.9380379404628 0.00032797 deg
peri 78.04699132351314 0.00032826 deg
i .76908472012358 4.906e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      889  
   data-arc span      8539 days (23.38 yr)  
   first obs. used      1995-12-27  
   last obs. used      2019-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56984  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:14:16  

Additional Information
 Jupiter MOID = 1.58138 au 
 T_jup = 3.192 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.428817710592782E-15 -4.521785466472626E-15 1.455620370153914E-13 8.683150169025996E-15 6.337641138497034E-15 -1.496432641906312E-16
q -4.521785466472626E-15 1.460323656783841E-14 -2.550176203943152E-13 -2.511863936422534E-14 -3.758221479322153E-15 5.602389466265368E-16
tp 1.455620370153914E-13 -2.550176203943152E-13 5.842148399254747E-9 -3.430654740636547E-12 1.074314860236759E-9 1.329171311358922E-13
node 8.683150169025996E-15 -2.511863936422534E-14 -3.430654740636547E-12 1.075642823643385E-7 -1.075549510581145E-7 -2.267189339726525E-10
peri 6.337641138497034E-15 -3.758221479322153E-15 1.074314860236759E-9 -1.075549510581145E-7 1.077542783267653E-7 2.267210679274429E-10
i -1.496432641906312E-16 5.602389466265368E-16 1.329171311358922E-13 -2.267189339726525E-10 2.267210679274429E-10 2.406892385955916E-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 14.5   n/a MPO445616  
rotation period rot_per 4.35 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

59004 (1998 SO43)          Discovered 1998-Sep-25 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1998 SO43 = 1999 XT80 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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