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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 | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 79 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09626831295844841 3.3312e-08  
a 2.218856576711574 5.3675e-09 au
q 2.005250997374793 7.4513e-08 au
i 2.941399324098741 3.4936e-06 deg
node 83.44525645652446 7.5021e-05 deg
peri 55.79330101920388 7.757e-05 deg
M 240.8270931780814 1.9319e-05 deg
tp 2459400.138486267689
(2021-Jul-04.63848627)
6.4805e-05 TDB
period 1207.236266136851
3.31
4.3805e-06
1.199e-08
d
yr
n .2982017771483936 1.082e-09 deg/d
Q 2.432462156048356 5.8842e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3050  
   data-arc span      41854 days (114.59 yr)  
   first obs. used      1906-03-28  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42707  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:30:25  

Additional Information
 Earth MOID = 1.02029 au 
 Jupiter MOID = 2.57534 au 
 T_jup = 3.643 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456191.5 (2012-Sep-21.0) TDB
Reference: JPL 79 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09543584699012904 3.324e-08  
q 2.00775569611654 7.4323e-08 au
tp 2455777.204187787131
(2011-Aug-03.70418779)
6.6667e-05 TDB
node 83.47065876861066 7.4973e-05 deg
peri 55.81700205126763 7.7583e-05 deg
i 2.942234991609952 3.4941e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3050  
   data-arc span      41854 days (114.59 yr)  
   first obs. used      1906-03-28  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42707  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:30:25  

Additional Information
 Jupiter MOID = 2.57534 au 
 T_jup = 3.643 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.104920734537459E-15 -2.465236858712045E-15 2.232053875294764E-13 -1.165766596738687E-15 7.498265609981108E-14 -2.224737058360371E-16
q -2.465236858712045E-15 5.5239184211112E-15 -5.552992811961816E-13 2.409710851342373E-15 -1.838035106181202E-13 5.164510299864691E-16
tp 2.232053875294764E-13 -5.552992811961816E-13 4.44445441710539E-9 1.29802735028514E-12 1.344832289128227E-9 2.50020320592537E-14
node -1.165766596738687E-15 2.409710851342373E-15 1.29802735028514E-12 5.621021778560274E-9 -5.612494849677861E-9 -1.179410889458376E-11
peri 7.498265609981108E-14 -1.838035106181202E-13 1.344832289128227E-9 -5.612494849677861E-9 6.019071145287948E-9 1.178516389746152E-11
i -2.224737058360371E-16 5.164510299864691E-16 2.50020320592537E-14 -1.179410889458376E-11 1.178516389746152E-11 1.220893852969794E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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. 2019-August); 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

[ show close-approach data ]
Alternate Designations
 A893 KB = 1927 UO = 1957 TM = 1965 GA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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