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JPL Small-Body Database Browser
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373 Melusina (A893 RA)
Classification: Main-belt Asteroid          SPK-ID: 2000373
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1381991288356861 4.2441e-08  
a 3.12122792359676 1.4653e-08 au
q 2.68987694365807 1.3427e-07 au
i 15.37650013983297 4.4535e-06 deg
node 3.666786558547563 1.4945e-05 deg
peri 348.3957855491044 2.073e-05 deg
M 305.6138053959943 1.6067e-05 deg
tp 2458904.779591026814
(2020-Feb-25.27959103)
9.0827e-05 TDB
period 2014.126076796431
5.51
1.4184e-05
3.883e-08
d
yr
n .1787375696821314 1.2587e-09 deg/d
Q 3.552578903535449 1.6679e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2578  
   data-arc span      42872 days (117.38 yr)  
   first obs. used      1902-04-04  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43861  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:08:01  

Additional Information
 Earth MOID = 1.68617 au 
 Jupiter MOID = 1.89412 au 
 T_jup = 3.146 
[ 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 9.13   n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 18
diameter diameter 98.695 km 0.947 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 12.97 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Ivarsen, K.; Willis, S.; Ingleby, L.; Matthews, D.; Simet, M. (2004) Minor Planet Bull. 31, 29-33.]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2014) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.040   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.669   0.017 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=7.06, mean=14.28, max.=21.50) deg.
U-B UB 0.371   0.024 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=7.06, mean=14.28, max.=21.50) deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices

373 Melusina (A893 RA)          Discovered 1893-Sep-15 by Charlois, A. at Nice
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A893 RA = 1937 TL = 1948 TZ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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