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888 Parysatis (A918 CE)
Classification: Main-belt Asteroid          SPK-ID: 2000888
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1943010559416746 4.1607e-08  
a 2.709258479369356 1.0045e-08 au
q 2.182846696008955 1.1536e-07 au
i 13.84978488417356 4.1573e-06 deg
node 123.9447217172926 2.003e-05 deg
peri 298.1084521593101 2.2713e-05 deg
M 14.33926298730894 1.1702e-05 deg
tp 2458935.621855901534
(2020-Mar-27.12185590)
5.2829e-05 TDB
period 1628.823733557243
4.46
9.0591e-06
2.48e-08
d
yr
n .2210183905006 1.2292e-09 deg/d
Q 3.235670262729758 1.1997e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2480  
   data-arc span      41539 days (113.73 yr)  
   first obs. used      1906-05-13  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44196  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:39:37  

Additional Information
 Earth MOID = 1.2342 au 
 Jupiter MOID = 2.1584 au 
 T_jup = 3.295 
[ 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 9.4   n/a MPO502161 IRAS observations used: 23
diameter diameter 44.749 km 0.370 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.9314 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2003) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Fleenor, M.L. (2007) Minor Planet Bull. 34, 66-67.]
[Benishek, V.; Protitch-Benishek, V. (2008) Minor Planet Bull. 35, 28-30.]
[Mas, V.; Fornas, G.; Lozano, J.; Rodrigo, O.; et al. (2018) Minor Planet Bull. 45, 76-82.]
geometric albedo albedo 0.139   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.879   0.015 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=5.73, mean=13.18, max.=17.28) deg.
U-B UB 0.498   0.035 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=5.73, mean=13.18, max.=17.28) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

888 Parysatis (A918 CE)          Discovered 1918-Feb-02 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A918 CE = A906 JA = A908 YL = A915 JD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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