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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09025904051685253 3.1479e-08  
a 3.152816390994829 1.2855e-08 au
q 2.86824620861783 9.9772e-08 au
i 7.696352647338529 3.7097e-06 deg
node 266.9179656331244 2.9054e-05 deg
peri 347.5158462191152 3.7149e-05 deg
M 42.62691900669106 2.2924e-05 deg
tp 2458758.381547511422
(2019-Oct-01.88154751)
0.00013028 TDB
period 2044.77933022104
5.60
1.2505e-05
3.424e-08
d
yr
n .1760581177046054 1.0767e-09 deg/d
Q 3.437386573371828 1.4015e-08 au
  Orbit Determination Parameters
   # obs. used (total)      4249  
   data-arc span      42359 days (115.97 yr)  
   first obs. used      1904-11-17  
   last obs. used      2020-11-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37385  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:54:24  

Additional Information
 Earth MOID = 1.85395 au 
 Jupiter MOID = 1.63236 au 
 T_jup = 3.187 
[ 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 9.6   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. 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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