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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 84 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09630440429857547 1.5093e-08  
a 2.219196113407675 4.554e-09 au
q 2.005477753684235 3.355e-08 au
i 2.941311652952972 3.7701e-07 deg
node 83.44650504851349 1.0821e-05 deg
peri 55.70176511026791 1.3339e-05 deg
M 300.5572622870732 5.498e-06 deg
tp 2459399.883058635274
(2021-Jul-04.38305864)
1.8756e-05 TDB
period 1207.513379604809
3.31
3.7169e-06
1.018e-08
d
yr
n .2981333425206598 9.1771e-10 deg/d
Q 2.432914473131115 4.9926e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3336  
   data-arc span      41980 days (114.93 yr)  
   first obs. used      1906-03-28  
   last obs. used      2021-03-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4138  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 11:04:07  

Additional Information
 Earth MOID = 1.02042 au 
 Jupiter MOID = 2.57424 au 
 T_jup = 3.643 
[ show covariance matrix ]

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. 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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1940-Jan-19 22:44 < 00:01 Thisb 0.0492590173680442 0.0492560502570495 0.0492619845250562 4.23229613210226 4.23229609939735 2429648.447552431 0.866686858551647 166.454305855951 28.1768751790738 -27.7627865339569 127899.930236728 T 84 CATAB v2.0f-lin.ifort 2021-Mar-16 11:05:22 2021-Mar-16 11:05

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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