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160645 (1999 XW43)
Classification: Main-belt Asteroid          SPK-ID: 2160645
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1061856045573761 7.2444e-08  
a 2.631588920292768 1.7929e-08 au
q 2.352152059844987 1.8795e-07 au
i 3.357958887692591 5.7591e-06 deg
node 278.3817579137753 0.00012221 deg
peri 102.7859467774051 0.00012539 deg
M 228.5498801846101 2.857e-05 deg
tp 2459169.856110836863
(2020-Nov-16.35611084)
0.0001259 TDB
period 1559.284998668167
4.27
1.5936e-05
4.363e-08
d
yr
n .2308750486969906 2.3595e-09 deg/d
Q 2.911025780740548 1.9833e-08 au
  Orbit Determination Parameters
   # obs. used (total)      504  
   data-arc span      6789 days (18.59 yr)  
   first obs. used      1999-10-15  
   last obs. used      2018-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55289  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 06:32:09  

Additional Information
 Earth MOID = 1.35691 au 
 Jupiter MOID = 2.53899 au 
 T_jup = 3.389 
[ 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 15.6   n/a MPO294161  
diameter diameter 5.354 km 0.255 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.035   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160645 (1999 XW43)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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