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676 Melitta (A909 BO)
Classification: Main-belt Asteroid          SPK-ID: 2000676
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 51 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1218272724265872 1.6833e-08  
a 3.064038020875929 1.107e-08 au
q 2.690754626181256 5.0512e-08 au
i 12.83978568696749 1.2309e-06 deg
node 150.2344038488009 5.1308e-06 deg
peri 184.7624145552174 1.1552e-05 deg
M 143.4001640419566 1.2177e-05 deg
tp 2458420.154735330002
(2018-Oct-28.65473533)
6.457e-05 TDB
period 1959.023528027521
5.36
1.0617e-05
2.907e-08
d
yr
n .1837650211186961 9.9588e-10 deg/d
Q 3.437321415570602 1.2419e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3475  
   data-arc span      40971 days (112.17 yr)  
   first obs. used      1909-01-17  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .3986  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 18:44:02  

Additional Information
 Earth MOID = 1.67901 au 
 Jupiter MOID = 1.94557 au 
 T_jup = 3.183 
[ 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 9.49   n/a E2021B10  
diameter diameter 78.369 km 0.436 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 16.743 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Ferrero, A. (2013) Minor Planet Bull. 40, 31-32.]
[Benishek, V. (2018) Minor Planet Bull. 45, 82-91.]
[Pilcher, F. (2019) Minor Planet Bull. 46, 58-60.]
geometric albedo albedo 0.049   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
Tholen spectral type spec_T XC   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a medium resolution spectrum published by Chapman and Gaffey (1979)

676 Melitta (A909 BO)          Discovered 1909-Jan-16 by Melotte, P. at Greenwich
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A909 BO = A910 JD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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