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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09005180656548867 2.1177e-08  
a 3.149623949127813 1.2185e-08 au
q 2.865994622506924 6.5353e-08 au
i 7.693987442569961 2.5945e-07 deg
node 266.8915819771661 2.2742e-06 deg
peri 346.9029225543285 6.8364e-06 deg
M 78.48004607891106 6.847e-06 deg
tp 2458755.414719796527
(2019-Sep-28.91471980)		 3.7505e-05 TDB
period 2041.67439851067
5.59		 1.1848e-05
3.244e-08		 d
yr
n .1763258628616823 1.0232e-09 deg/d
Q 3.433253275748701 1.3282e-08 au
   Orbit Determination Parameters
   # obs. used (total)      4441  
   data-arc span      42427 days (116.16 yr)  
   first obs. used      1904-11-17  
   last obs. used      2021-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37051  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 11:21:39  

Additional Information
 Earth MOID = 1.85019 au 
 Jupiter MOID = 1.63451 au 
 T_jup = 3.188 
[ show covariance matrix ]

[ 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 9.67   n/a E2021B10  
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. 2020-October); 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.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
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

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