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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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09025903948476846 3.1663e-08  
a 3.15281639138481 1.2935e-08 au
q 2.868246212226583 1.005e-07 au
i 7.696352358534965 3.7452e-06 deg
node 266.9179662308755 2.9073e-05 deg
peri 347.5158457129508 3.7167e-05 deg
M 42.62691877402471 2.2942e-05 deg
tp 2458758.381548788030
(2019-Oct-01.88154879)
0.00013037 TDB
period 2044.779330600428
5.60
1.2583e-05
3.445e-08
d
yr
n .1760581176719396 1.0834e-09 deg/d
Q 3.437386570543037 1.4102e-08 au
  Orbit Determination Parameters
   # obs. used (total)      4226  
   data-arc span      42350 days (115.95 yr)  
   first obs. used      1904-11-17  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .3747  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:28:23  

Additional Information
 Earth MOID = 1.85395 au 
 Jupiter MOID = 1.63236 au 
 T_jup = 3.187 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456475.5 (2013-Jul-02.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08756426632875847 3.1923e-08  
q 2.874597591972794 1.0072e-07 au
tp 2456722.585426580785
(2014-Mar-06.08542658)
0.00013484 TDB
node 266.9626785624488 2.9074e-05 deg
peri 348.8363863046153 3.7496e-05 deg
i 7.696204563100126 3.7437e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      4226  
   data-arc span      42350 days (115.95 yr)  
   first obs. used      1904-11-17  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .3747  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:28:23  

Additional Information
 Jupiter MOID = 1.63236 au 
 T_jup = 3.187 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.019074200753335E-15 -3.194140716503051E-15 5.904407280289596E-13 3.761274852670179E-16 8.735587203504398E-14 -3.59014483053271E-16
q -3.194140716503051E-15 1.01435204105791E-14 -2.145432427314387E-12 1.119864043096117E-15 -3.305796583527358E-13 2.085173250653408E-15
tp 5.904407280289596E-13 -2.145432427314387E-12 1.818198128024799E-8 7.221092785149029E-13 3.216042520629888E-9 -5.135682369472189E-12
node 3.761274852670179E-16 1.119864043096117E-15 7.221092785149029E-13 8.452989683535947E-10 -8.371287115994137E-10 1.975039481027685E-11
peri 8.735587203504398E-14 -3.305796583527358E-13 3.216042520629888E-9 -8.371287115994137E-10 1.405934642048293E-9 -2.03998410216587E-11
i -3.59014483053271E-16 2.085173250653408E-15 -5.135682369472189E-12 1.975039481027685E-11 -2.03998410216587E-11 1.401539872930369E-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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