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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 ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1342933129389408 2.2204e-08  
a 2.556018373193985 7.4415e-09 au
q 2.212762197924962 5.738e-08 au
i 11.11612487503757 2.9998e-07 deg
node 343.8775923329274 1.8215e-06 deg
peri 309.064725971903 4.1603e-06 deg
M 272.0757044640308 5.3864e-06 deg
tp 2459761.044693171056
(2022-Jun-30.54469317)
2.3404e-05 TDB
period 1492.603253078012
4.09
6.5182e-06
1.785e-08
d
yr
n .2411893443603425 1.0533e-09 deg/d
Q 2.899274548463007 8.4408e-09 au
  Orbit Determination Parameters
   # obs. used (total)      4388  
   data-arc span      41715 days (114.21 yr)  
   first obs. used      1907-04-04  
   last obs. used      2021-06-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .35967  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 11:24:42  

Additional Information
 Earth MOID = 1.21545 au 
 Jupiter MOID = 2.38649 au 
 T_jup = 3.399 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.61   n/a E2021B10  
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. 2020-October); 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.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
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

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