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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 48 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1944221109513596 1.4106e-08  
a 2.709504626659833 8.2927e-09 au
q 2.182717017512153 3.882e-08 au
i 13.84989397222275 7.4035e-07 deg
node 123.9443471757069 3.4444e-06 deg
peri 298.0961721195259 6.0228e-06 deg
M 58.54028124217375 3.9857e-06 deg
tp 2458935.597793313819
(2020-Mar-27.09779331)
1.774e-05 TDB
period 1629.045716615417
4.46
7.4788e-06
2.048e-08
d
yr
n .2209882732744622 1.0145e-09 deg/d
Q 3.236292235807513 9.905e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2945  
   data-arc span      41954 days (114.86 yr)  
   first obs. used      1906-05-13  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41372  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 18:58:41  

Additional Information
 Earth MOID = 1.23359 au 
 Jupiter MOID = 2.15832 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 9.42   n/a E2021B10 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. 2020-October); 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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