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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08226916407383425 3.6985e-08  
a 2.803841239792523 1.0281e-08 au
q 2.57317156479905 1.0366e-07 au
i 13.88716763492986 4.7346e-06 deg
node 300.010097773852 1.753e-05 deg
peri 120.9656144205296 3.5e-05 deg
M 53.87149382428428 2.9138e-05 deg
tp 2458743.883206915997
(2019-Sep-17.38320692)
0.00013891 TDB
period 1714.85954726945
4.70
9.432e-06
2.582e-08
d
yr
n .2099297289817254 1.1546e-09 deg/d
Q 3.034510914785997 1.1127e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2555  
   data-arc span      43019 days (117.78 yr)  
   first obs. used      1903-01-18  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39575  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:25:00  

Additional Information
 Earth MOID = 1.61707 au 
 Jupiter MOID = 2.21072 au 
 T_jup = 3.276 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456115.5 (2012-Jul-07.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0799364004269847 3.6839e-08  
q 2.580348975754407 1.0292e-07 au
tp 2455310.614066995537
(2010-Apr-24.11406700)
0.00014688 TDB
node 300.1572099771081 1.7505e-05 deg
peri 120.2150602174579 3.593e-05 deg
i 13.89617487411026 4.7367e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2555  
   data-arc span      43019 days (117.78 yr)  
   first obs. used      1903-01-18  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39575  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:25:00  

Additional Information
 Jupiter MOID = 2.21072 au 
 T_jup = 3.276 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.357101365803584E-15 -3.775557454715483E-15 1.977389077954412E-13 -4.351945313677533E-15 4.238950981812772E-14 -7.627711255650671E-16
q -3.775557454715483E-15 1.059243447170288E-14 -8.280766036951595E-13 9.630757740743443E-15 -1.686373731694895E-13 2.25411929151136E-15
tp 1.977389077954412E-13 -8.280766036951595E-13 2.157487709637075E-8 -8.690209094059597E-12 4.625326475788254E-9 -3.807940695373817E-12
node -4.351945313677533E-15 9.630757740743443E-15 -8.690209094059597E-12 3.06433284056783E-10 -2.992802699809011E-10 5.395182059809607E-12
peri 4.238950981812772E-14 -1.686373731694895E-13 4.625326475788254E-9 -2.992802699809011E-10 1.29093050989442E-9 -6.106903787760012E-12
i -7.627711255650671E-16 2.25411929151136E-15 -3.807940695373817E-12 5.395182059809607E-12 -6.106903787760012E-12 2.243663392259605E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 9.8   n/a MPO267710  
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 7.5236 h n/a LCDB (Rev. 2019-August); 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]
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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