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587 Hypsipyle (A906 DM)
Classification: Main-belt Asteroid          SPK-ID: 2000587
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1667918946893542 1.3824e-08  
a 2.334826442759247 5.4664e-09 au
q 1.945396316600627 3.4266e-08 au
i 24.99231549289879 6.6583e-07 deg
node 324.561534032214 1.4036e-06 deg
peri 188.4035709848902 6.4244e-06 deg
M 57.52492058423529 8.7978e-06 deg
tp 2458992.274526327267
(2020-May-22.77452633)
3.1537e-05 TDB
period 1303.107762007531
3.57
4.5763e-06
1.253e-08
d
yr
n .2762626472621068 9.7019e-10 deg/d
Q 2.724256568917867 6.3781e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2401  
   data-arc span      42012 days (115.02 yr)  
   first obs. used      1906-02-22  
   last obs. used      2021-03-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .37413  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 18:37:12  

Additional Information
 Earth MOID = .958656 au 
 Jupiter MOID = 2.30168 au 
 T_jup = 3.426 
[ 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 11.99   n/a E2021B10  
diameter diameter 11.022 km 0.086 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 2.8881 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Wisniewski, W.Z.; Michalowski, T.M.; Harris, A.W.; McMillan, R.S. (1997) Icarus 126, 395-449; 1995, Lunar & Planetary Sci. XXVI, 1511-1512.]
[Behrend, R. (2013) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Aimar, F.; Kossuth, C.; Ghio, G. (2020) Minor Planet Bull. 47, 152-153.]
geometric albedo albedo 0.208   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

587 Hypsipyle (A906 DM)          Discovered 1906-Feb-22 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A906 DM = 1931 CH = 1956 EN1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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