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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09025902355050326 3.5553e-08  
a 3.152816399675304 1.4829e-08 au
q 2.868246270006597 1.1583e-07 au
i 7.696349779343312 4.0877e-06 deg
node 266.9179815857028 3.05e-05 deg
peri 347.5158341794916 3.8532e-05 deg
M 42.62691230412651 2.386e-05 deg
tp 2458758.381584581687
(2019-Oct-01.88158458)
0.00013536 TDB
period 2044.779338665706
5.60
1.4426e-05
3.95e-08
d
yr
n .1760581169775088 1.2421e-09 deg/d
Q 3.43738652934401 1.6167e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3899  
   data-arc span      42217 days (115.58 yr)  
   first obs. used      1904-11-17  
   last obs. used      2020-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38759  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:16:13  

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. 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

[ 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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