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862 Franzia (A917 BG)
Classification: Main-belt Asteroid          SPK-ID: 2000862
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08250344164167475 1.6909e-08  
a 2.802967379184994 9.2163e-09 au
q 2.571712923592886 4.5395e-08 au
i 13.88690205415319 4.5399e-07 deg
node 300.0077101747821 2.8615e-06 deg
peri 120.7574687010416 1.3582e-05 deg
M 137.2132925888005 1.0904e-05 deg
tp 2458743.190193540633
(2019-Sep-16.69019354)
5.1649e-05 TDB
period 1714.057915876938
4.69
8.4538e-06
2.315e-08
d
yr
n .2100279090136919 1.0359e-09 deg/d
Q 3.034221834777101 9.9766e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3087  
   data-arc span      43259 days (118.44 yr)  
   first obs. used      1903-01-18  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .36925  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 11:38:58  

Additional Information
 Earth MOID = 1.6156 au 
 Jupiter MOID = 2.21227 au 
 T_jup = 3.277 
[ 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 9.84   n/a MPCxxxxx  
diameter diameter 27.033 km 0.847 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 7.523 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2010) Minor Planet Bull. 37, 127-130.]
[Behrend, R. (2011) 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]
[Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Ferrero, A. (2020) Minor Planet Bull. 47, 172-174.]
[Polakis, T. (2020) Minor Planet Bull. 47, 177-186.]
geometric albedo albedo 0.291   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B S   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)

862 Franzia (A917 BG)          Discovered 1917-Jan-28 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A917 BG = 1948 TT1 = 1949 YT = A903 BA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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