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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03850667019337989 1.2375e-08  
a 2.17960403404238 4.3124e-09 au
q 2.09567474035135 2.7961e-08 au
i 5.261307266802292 5.5268e-07 deg
node 80.47169204248345 1.0235e-05 deg
peri 81.0945036973232 2.541e-05 deg
M 81.65735692728339 2.4414e-05 deg
tp 2458933.901532084520
(2020-Mar-25.40153208)
7.9567e-05 TDB
period 1175.343558266768
3.22
3.4881e-06
9.55e-09
d
yr
n .3062934215854958 9.0901e-10 deg/d
Q 2.26353332773341 4.4784e-09 au
  Orbit Determination Parameters
   # obs. used (total)      4387  
   data-arc span      38522 days (105.47 yr)  
   first obs. used      1915-09-14  
   last obs. used      2021-03-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .34399  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:25:59  

Additional Information
 Earth MOID = 1.11043 au 
 Jupiter MOID = 2.70865 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 11.38   n/a E2021B10  
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. 2020-October); 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.]
[Franco, L.; Marchini, A.; Saya, L.-F.; Galli, G.; et al. (2020) Minor Planet Bull. 47, 242-246.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
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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