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329 Svea (A892 FG)
Classification: Main-belt Asteroid          SPK-ID: 2000329
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 63 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02426747144463862 3.0766e-08  
a 2.476439086536462 6.2134e-09 au
q 2.416342171719552 7.8559e-08 au
i 15.88058429515187 3.2755e-06 deg
node 178.4636302391746 1.3039e-05 deg
peri 55.24482631724111 7.9025e-05 deg
M 327.7421689639717 7.7908e-05 deg
tp 2459328.047680118192
(2021-Apr-23.54768012)
0.00030812 TDB
period 1423.442412828839
3.90
5.3571e-06
1.467e-08
d
yr
n .2529080184456244 9.5182e-10 deg/d
Q 2.536536001353373 6.3642e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3322  
   data-arc span      47054 days (128.83 yr)  
   first obs. used      1892-03-21  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41219  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:45:38  

Additional Information
 Earth MOID = 1.43194 au 
 Jupiter MOID = 2.43735 au 
 T_jup = 3.428 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455449.5 (2010-Sep-10.0) TDB
Reference: JPL 63 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02343589197767417 3.0503e-08  
q 2.419703137402437 7.7714e-08 au
tp 2455055.417347108554
(2009-Aug-11.91734711)
0.00032029 TDB
node 178.5250075329899 1.3022e-05 deg
peri 55.0678359401125 8.245e-05 deg
i 15.88615619626351 3.2791e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3322  
   data-arc span      47054 days (128.83 yr)  
   first obs. used      1892-03-21  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41219  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:45:38  

Additional Information
 Jupiter MOID = 2.43735 au 
 T_jup = 3.428 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.304362916517582E-16 -2.364343403345161E-15 7.229259797004147E-13 9.266473674516912E-17 1.616905815053153E-13 -8.939795939620784E-16
q -2.364343403345161E-15 6.039503923224948E-15 -1.610809608797283E-12 -9.293998452309054E-16 -3.527532924664225E-13 2.539261762005874E-15
tp 7.229259797004147E-13 -1.610809608797283E-12 1.025859708971132E-7 -1.066298563260975E-10 2.608976141240089E-8 -1.862498493239154E-11
node 9.266473674516912E-17 -9.293998452309054E-16 -1.066298563260975E-10 1.695824590101084E-10 -1.899176546737379E-10 -8.27339012176644E-12
peri 1.616905815053153E-13 -3.527532924664225E-13 2.608976141240089E-8 -1.899176546737379E-10 6.797922486834135E-9 3.292676382116822E-12
i -8.939795939620784E-16 2.539261762005874E-15 -1.862498493239154E-11 -8.27339012176644E-12 3.292676382116822E-12 1.075270340569769E-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 9.65   n/a E2021B10  
diameter diameter 81.057 km 0.500 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 22.778 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Menke, J.; Cooney, W.; Gross, J.; Terrell, D. (2008) Minor Planet Bull. 35, 155-160.]
[Marciniak, A.; Pilcher, F.; Oszkiewicz, D.; Santana-Ros, T.; et al. (2015) Planet. Space Sci. 118, 256-266.]
[Marciniak, A.; Bartczak, P.; Muller, T.; Sanabria, J.J.; et al. (2018) Astron. Astrophys. 610, A7.]
geometric albedo albedo 0.039   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.698   0.016 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=9.70, mean=10.26, max.=10.81) deg.
U-B UB 0.331   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=9.70, mean=10.26, max.=10.81) deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices

329 Svea (A892 FG)          Discovered 1892-Mar-21 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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