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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1666504971057085 1.3749e-08  
a 2.335279085498107 5.3651e-09 au
q 1.946103665019283 3.3986e-08 au
i 24.99248200735979 6.6562e-07 deg
node 324.5607971845761 1.4027e-06 deg
peri 188.4737019194586 6.4184e-06 deg
M 111.6080631289072 8.8551e-06 deg
tp 2458992.389921169282
(2020-May-22.88992117)
3.1481e-05 TDB
period 1303.486722200616
3.57
4.492e-06
1.23e-08
d
yr
n .2761823299528735 9.5175e-10 deg/d
Q 2.724454505976931 6.2592e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2444  
   data-arc span      42122 days (115.32 yr)  
   first obs. used      1906-02-22  
   last obs. used      2021-06-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .37186  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 11:17:53  

Additional Information
 Earth MOID = .960237 au 
 Jupiter MOID = 2.30119 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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