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JPL Small-Body Database Browser
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552 Sigelinde (A904 XB)
Classification: Main-belt Asteroid          SPK-ID: 2000552
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09025901997197341 3.6798e-08  
a 3.152816401380644 1.5475e-08 au
q 2.868246282840464 1.207e-07 au
i 7.696348991582506 4.1263e-06 deg
node 266.9179906918742 3.1108e-05 deg
peri 347.5158265096048 3.9123e-05 deg
M 42.62691033903372 2.4328e-05 deg
tp 2458758.381595546860
(2019-Oct-01.88159555)
0.00013792 TDB
period 2044.779340324721
5.60
1.5054e-05
4.122e-08
d
yr
n .1760581168346655 1.2962e-09 deg/d
Q 3.437386519920826 1.6872e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3785  
   data-arc span      42165 days (115.44 yr)  
   first obs. used      1904-11-17  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39177  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:08:09  

Additional Information
 Earth MOID = 1.85395 au 
 Jupiter MOID = 1.63236 au 
 T_jup = 3.187 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455945.5 (2012-Jan-19.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08729619992717981 3.7064e-08  
q 2.874052632099505 1.2025e-07 au
tp 2456724.319879598245
(2014-Mar-07.81987960)
0.00014109 TDB
node 266.9675491160656 3.1115e-05 deg
peri 349.1647554532743 3.9548e-05 deg
i 7.696339197592605 4.1266e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3785  
   data-arc span      42165 days (115.44 yr)  
   first obs. used      1904-11-17  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39177  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:08:09  

Additional Information
 Jupiter MOID = 1.63236 au 
 T_jup = 3.187 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.373733863682216E-15 -4.431026496747288E-15 -1.572177425360451E-13 -1.293643840935785E-15 -1.29375715021947E-14 -3.697021379546884E-16
q -4.431026496747288E-15 1.446025571973499E-14 4.686616033304373E-13 5.525826677702353E-15 2.076632497891841E-14 2.404904134208095E-15
tp -1.572177425360451E-13 4.686616033304373E-13 1.99069802821589E-8 -6.521623309076256E-12 3.466678816574049E-9 -2.422261427084396E-12
node -1.293643840935785E-15 5.525826677702353E-15 -6.521623309076256E-12 9.681707558874706E-10 -9.6022229023523E-10 1.963968221671356E-12
peri -1.29375715021947E-14 2.076632497891841E-14 3.466678816574049E-9 -9.6022229023523E-10 1.564078746492882E-9 -2.31758640276417E-12
i -3.697021379546884E-16 2.404904134208095E-15 -2.422261427084396E-12 1.963968221671356E-12 -2.31758640276417E-12 1.702890453840786E-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 9.6   n/a MPO358629  
diameter diameter 88.697 km 0.966 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 17.156 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Oey, J. (2009) Minor Planet Bull. 36, 4-6.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.036   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

552 Sigelinde (A904 XB)          Discovered 1904-Dec-14 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 A904 XB = 1941 MG 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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