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672 Astarte (A908 SH)
Classification: Main-belt Asteroid          SPK-ID: 2000672
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1342671163753809 3.6881e-08  
a 2.556536182137652 8.5042e-09 au
q 2.213277441052703 9.5084e-08 au
i 11.11437778245497 4.8181e-06 deg
node 343.8815397144172 1.7032e-05 deg
peri 308.9306602101253 2.3849e-05 deg
M 176.7379474810294 1.6538e-05 deg
tp 2458267.500550359985
(2018-May-29.00055036)
6.8155e-05 TDB
period 1493.056842808076
4.09
7.4498e-06
2.04e-08
d
yr
n .2411160711891771 1.2031e-09 deg/d
Q 2.899794923222599 9.646e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3824  
   data-arc span      41474 days (113.55 yr)  
   first obs. used      1907-04-04  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37504  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:27:04  

Additional Information
 Earth MOID = 1.21649 au 
 Jupiter MOID = 2.3873 au 
 T_jup = 3.398 
[ 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 11.5   n/a MPO265959  
diameter diameter 35.584 km 0.495 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 22.572 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pilcher, F. (2011) Minor Planet Bull. 38, 50-52.]
[Marciniak, A.; Pilcher, F.; Oszkiewicz, D.; Santana-Ros, T.; et al. (2015) Planet. Space Sci. 118, 256-266.]
geometric albedo albedo 0.033   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

672 Astarte (A908 SH)          Discovered 1908-Sep-21 by Kopff, A. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 A908 SH = A907 GJ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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