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367 Amicitia (A893 KB)
Classification: Main-belt Asteroid          SPK-ID: 2000367
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 86 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09630440407255295 1.5068e-08  
a 2.219196115297201 4.5484e-09 au
q 2.00547775589338 3.3505e-08 au
i 2.941311650415098 3.7701e-07 deg
node 83.44650469164256 1.082e-05 deg
peri 55.70176574320615 1.3338e-05 deg
M 300.5572613416483 5.4921e-06 deg
tp 2459399.883062061067
(2021-Jul-04.38306206)
1.8735e-05 TDB
period 1207.513381147008
3.31
3.7123e-06
1.016e-08
d
yr
n .298133342139893 9.1656e-10 deg/d
Q 2.432914474701023 4.9864e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3359  
   data-arc span      42000 days (114.99 yr)  
   first obs. used      1906-03-28  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41261  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 18:17:52  

Additional Information
 Earth MOID = 1.02042 au 
 Jupiter MOID = 2.57424 au 
 T_jup = 3.643 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456532.5 (2013-Aug-28.0) TDB
Reference: JPL 86 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0956954883029876 1.5033e-08  
q 2.006725986257373 3.3378e-08 au
tp 2456984.851583597381
(2014-Nov-23.35158360)
1.6236e-05 TDB
node 83.46979133922041 1.0814e-05 deg
peri 55.82202940706487 1.3362e-05 deg
i 2.942213712287923 3.7715e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3359  
   data-arc span      42000 days (114.99 yr)  
   first obs. used      1906-03-28  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41261  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 18:17:52  

Additional Information
 Jupiter MOID = 2.57424 au 
 T_jup = 3.643 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.259873521561701E-16 -4.979316689761908E-16 8.441448310452424E-14 8.046257369704234E-15 5.0617843145588E-15 4.618434262307776E-16
q -4.979316689761908E-16 1.114094519624328E-15 -1.776934292086273E-13 -1.642994480869507E-14 -9.178698622062306E-15 -1.053800082371959E-15
tp 8.441448310452424E-14 -1.776934292086273E-13 2.636043266355669E-10 -5.722802994950234E-11 1.365498633505296E-10 6.350138737926468E-13
node 8.046257369704234E-15 -1.642994480869507E-14 -5.722802994950234E-11 1.169499510392143E-10 -1.35225224223214E-10 -5.492819012625593E-13
peri 5.0617843145588E-15 -9.178698622062306E-15 1.365498633505296E-10 -1.35225224223214E-10 1.785301567158388E-10 7.687721162371813E-13
i 4.618434262307776E-16 -1.053800082371959E-15 6.350138737926468E-13 -5.492819012625593E-13 7.687721162371813E-13 1.422383811349321E-13

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.7   n/a MPO435698  
diameter diameter 21.243 km 0.632 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 5.05538 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Ford, L.; Stecher, G.; Jaeger, T.; Martin, P.; Smethells, W. (2001) IAPPP Communications 85, 35-43.]
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2008) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Kryszczynska A.; et al. (2008) Astron. Astrophys.; in preparation.]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
[Kryszczynska, A.; Colas, F.; Polinska, M.; Hirsch, R.; et al. (2012) Astron. Astrophys. 546, A72.]
[Dykhuis, M.J.; Molnar, L.A.; Gates, C.J.; Gonzales, J.A.; et al. (2016) Icarus 267, 174-203.]
[Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.393   0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

367 Amicitia (A893 KB)          Discovered 1893-May-19 by Charlois, A. at Nice
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A893 KB = 1927 UO = 1957 TM = 1965 GA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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