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JPL Small-Body Database Browser
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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 ]

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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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1669154343358775 5.5718e-08  
a 2.335161275113954 7.1754e-09 au
q 1.945386816633987 1.3307e-07 au
i 24.99186041101583 5.1355e-06 deg
node 324.5610219286961 8.4526e-06 deg
peri 188.4196252447869 1.3747e-05 deg
M 2.259185145091082 1.3404e-05 deg
tp 2458992.320569439587
(2020-May-22.82056944)
4.8508e-05 TDB
period 1303.388085809149
3.57
6.0075e-06
1.645e-08
d
yr
n .2762032305800236 1.2731e-09 deg/d
Q 2.724935733593921 8.3731e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1997  
   data-arc span      41591 days (113.87 yr)  
   first obs. used      1906-02-22  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .3861  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 17:33:22  

Additional Information
 Earth MOID = .95879 au 
 Jupiter MOID = 2.30166 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 11.9   n/a MPO309147  
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. 2019-August); 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]
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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