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JPL Small-Body Database Browser
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277540 (2005 YZ46)
Classification: Main-belt Asteroid          SPK-ID: 2277540
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1719469996280518 6.1416e-08  
a 2.631952103670079 2.0672e-08 au
q 2.17939583627927 1.5989e-07 au
i 13.49099843698515 5.9881e-06 deg
node 107.0447698019407 3.5308e-05 deg
peri 30.44858087239303 4.2059e-05 deg
M 26.41194616714689 2.309e-05 deg
tp 2458486.077007387096
(2019-Jan-02.57700739)
9.9444e-05 TDB
period 1559.607803225173
4.27
1.8374e-05
5.031e-08
d
yr
n .2308272626332993 2.7195e-09 deg/d
Q 3.084508371060889 2.4226e-08 au
  Orbit Determination Parameters
   # obs. used (total)      230  
   data-arc span      6307 days (17.27 yr)  
   first obs. used      2002-02-21  
   last obs. used      2019-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64999  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:47:03  

Additional Information
 Earth MOID = 1.20467 au 
 Jupiter MOID = 2.01469 au 
 T_jup = 3.340 
[ 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 16.4   n/a MPO427524  
diameter diameter 2.909 km 0.121 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

277540 (2005 YZ46)          Discovered 2005-Dec-25 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

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