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356 Liguria (A893 BE)
Classification: Main-belt Asteroid          SPK-ID: 2000356
[ 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 74 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2406932073339296 2.2136e-08  
a 2.756078368697009 5.6787e-09 au
q 2.092709026471661 6.262e-08 au
i 8.204254116620538 5.9509e-07 deg
node 354.5075354426993 2.4974e-06 deg
peri 79.40874839034007 4.7629e-06 deg
M 12.56002618080259 2.9977e-06 deg
tp 2459142.192581415562
(2020-Oct-19.69258142)		 1.3852e-05 TDB
period 1671.228259259594
4.58		 5.1652e-06
1.414e-08		 d
yr
n .215410431223495 6.6576e-10 deg/d
Q 3.419447710922356 7.0455e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2818  
   data-arc span      46792 days (128.11 yr)  
   first obs. used      1893-01-23  
   last obs. used      2021-03-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46049  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 11:02:47  

Additional Information
 Earth MOID = 1.12524 au 
 Jupiter MOID = 1.97012 au 
 T_jup = 3.286 
[ 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 8.43   n/a E2021B10 IRAS observations used: 19
diameter diameter 145.503 km 1.441 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 31.701 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Harris, A.W.; Young, J.W. (1980) Icarus 43, 20-32.]
[Pilcher, F. (2017) Minor Planet Bull. 44, 294-297.]
geometric albedo albedo 0.065   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.733   0.033 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=6; phase (min.=7.62, mean=14.60, max.=19.11) deg.
U-B UB 0.349   0.040 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=6; phase (min.=7.62, mean=14.60, max.=19.11) deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices; used ground-based radiometric albedo

356 Liguria (A893 BE)          Discovered 1893-Jan-21 by Charlois, A. at Nice
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A893 BE = 1951 WU2 = 1953 FX1 = A893 CA 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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