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JPL Small-Body Database Browser
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782 Montefiore (A914 FA)
Classification: Main-belt Asteroid          SPK-ID: 2000782
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0388264556205199 3.6983e-08  
a 2.179954642840572 4.9621e-09 au
q 2.095314730645577 8.0943e-08 au
i 5.261485816349836 3.263e-06 deg
node 80.47399981869314 4.3795e-05 deg
peri 81.05026402882859 6.3454e-05 deg
M 257.9488002315017 4.6275e-05 deg
tp 2458933.761563380346
(2020-Mar-25.26156338)
0.00015127 TDB
period 1175.627166452568
3.22
4.014e-06
1.099e-08
d
yr
n .3062195313896098 1.0455e-09 deg/d
Q 2.264594555035568 5.1547e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3923  
   data-arc span      38061 days (104.21 yr)  
   first obs. used      1915-09-14  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35899  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:12:14  

Additional Information
 Earth MOID = 1.11094 au 
 Jupiter MOID = 2.71007 au 
 T_jup = 3.675 
[ 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 11.3   n/a MPO416711  
diameter diameter 14.158 km 0.197 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 4.0728 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Wisniewski, W.Z.; Michalowski, T.M.; Harris, A.W.; McMillan, R.S. (1997) Icarus 126, 395-449; 1995, Lunar & Planetary Sci. XXVI, 1511-1512.]
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Galad, A. (2008) Minor Planet Bull. 35, 17-21.]
[Han, X.L.; Li, B.; Zhao, H.; Liu. W.; et al. (2013) Minor Planet Bull. 40, 99-100.]
[Schmidt, R.E. (2015) Minor Planet Bull. 42, 1-3.]
[Benishek, V. (2016) Minor Planet Bull. 43, 186-188.]
geometric albedo albedo 0.224   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a medium resolution spectrum published by Chapman and Gaffey (1979)
SMASSII spectral type spec_B Sl   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)

782 Montefiore (A914 FA)          Discovered 1914-Mar-18 by Palisa, J. at Vienna
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A914 FA = A911 KA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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