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404 Arsinoe (A895 MA)
Classification: Main-belt Asteroid          SPK-ID: 2000404
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 126 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1989532365709396 1.588e-08  
a 2.595074915142353 4.4407e-09 au
q 2.078776361630725 4.1486e-08 au
i 14.10280739990108 9.7009e-07 deg
node 92.59355999029682 3.0156e-06 deg
peri 120.7217881656846 6.4416e-06 deg
M 58.63819934635992 4.1774e-06 deg
tp 2458951.785330539352
(2020-Apr-12.28533054)
1.7673e-05 TDB
period 1526.944585678029
4.18
3.9193e-06
1.073e-08
d
yr
n .2357649409000292 6.0516e-10 deg/d
Q 3.11137346865398 5.3241e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2956  
   data-arc span      44356 days (121.44 yr)  
   first obs. used      1899-05-30  
   last obs. used      2020-11-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38536  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 11:07:54  

Additional Information
 Earth MOID = 1.10719 au 
 Jupiter MOID = 1.99599 au 
 T_jup = 3.348 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 9.23   n/a E2021B10 IRAS observations used: 26
diameter diameter 94.970 km 0.951 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 8.887 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Schober, H.J. (1981) Astron. Astrophys. 100, 311-313.]
[Behrend, R. (2001) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2003) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
[Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.037   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.675   0.031 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=5; phase (min.=3.57, mean=8.17, max.=19.96) deg.
U-B UB 0.333   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=5; phase (min.=3.57, mean=8.17, max.=19.96) deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B Ch   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

404 Arsinoe (A895 MA)          Discovered 1895-Jun-20 by Charlois, A. at Nice
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A895 MA = 1947 XE = 1975 VB10 = A901 VC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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