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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 65 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0242675050899874 1.1646e-08  
a 2.476439084574003 5.1757e-09 au
q 2.41634208648406 3.0477e-08 au
i 15.88059121267126 8.4847e-07 deg
node 178.4635988639742 3.849e-06 deg
peri 55.24492470510403 5.2404e-05 deg
M 327.7421010770223 5.5837e-05 deg
tp 2459328.047948392032
(2021-Apr-23.54794839)
0.00022093 TDB
period 1423.442411136824
3.90
4.4625e-06
1.222e-08
d
yr
n .2529080187462506 7.9286e-10 deg/d
Q 2.536536082663947 5.3013e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3441  
   data-arc span      47110 days (128.98 yr)  
   first obs. used      1892-03-21  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40601  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 10:42:51  

Additional Information
 Earth MOID = 1.43194 au 
 Jupiter MOID = 2.43735 au 
 T_jup = 3.428 
[ 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 9.65   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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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