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5671 Chanal (1985 XR)
Classification: Main-belt Asteroid          SPK-ID: 2005671
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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08679405555658844 1.0225e-08  
a 2.642276925303777 8.6074e-09 au
q 2.412942995053069 2.6539e-08 au
i 3.6858285460763 4.2519e-07 deg
node 122.0660184317198 9.4931e-06 deg
peri 281.197810741667 1.4115e-05 deg
M 83.1381123061818 9.218e-06 deg
tp 2458838.203962823504
(2019-Dec-20.70396282)
4.0038e-05 TDB
period 1568.79401956112
4.30
7.6657e-06
2.099e-08
d
yr
n .2294756325631024 1.1213e-09 deg/d
Q 2.871610855554485 9.3545e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2950  
   data-arc span      24340 days (66.64 yr)  
   first obs. used      1954-07-31  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4459  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 22:25:10  

Additional Information
 Earth MOID = 1.42399 au 
 Jupiter MOID = 2.44213 au 
 T_jup = 3.386 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457208.5 (2015-Jul-05.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08580993565329671 9.9338e-09  
q 2.415180408111408 2.558e-08 au
tp 2457262.688934696241
(2015-Aug-28.18893470)
4.1323e-05 TDB
node 122.1820215473681 9.4891e-06 deg
peri 279.6176157358368 1.4302e-05 deg
i 3.685591475133264 4.2475e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2950  
   data-arc span      24340 days (66.64 yr)  
   first obs. used      1954-07-31  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4459  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 22:25:10  

Additional Information
 Jupiter MOID = 2.44213 au 
 T_jup = 3.386 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.868068388904008E-17 -2.425383736616438E-16 2.104279112277074E-13 -1.382386354241113E-14 6.674316389643578E-14 2.76072862431769E-16
q -2.425383736616438E-16 6.543494327395226E-16 -5.951149171347155E-13 3.656832654959021E-14 -1.867851415369092E-13 -6.793074803558313E-16
tp 2.104279112277074E-13 -5.951149171347155E-13 1.707556085232424E-9 -3.982751072494088E-12 4.457831382957969E-10 -3.64167937176977E-12
node -1.382386354241113E-14 3.656832654959021E-14 -3.982751072494088E-12 9.004388756792191E-11 -8.997567227440588E-11 -2.214974731599436E-12
peri 6.674316389643578E-14 -1.867851415369092E-13 4.457831382957969E-10 -8.997567227440588E-11 2.045455379075106E-10 1.315529044588034E-12
i 2.76072862431769E-16 -6.793074803558313E-16 -3.64167937176977E-12 -2.214974731599436E-12 1.315529044588034E-12 1.804153794938126E-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 12.74   n/a MPCxxxxx  
diameter diameter 8.159 km 0.155 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.425 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Behrend, R. (2017) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Polakis, T. (2020) Minor Planet Bull. 47, 94-101.]
geometric albedo albedo 0.209   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

5671 Chanal (1985 XR)          Discovered 1985-Dec-13 by CERGA at Caussols
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1985 XR = 1989 UE3 = 1992 LN1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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