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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1718239710650335 6.1557e-08  
a 2.634359300845689 2.0434e-08 au
q 2.181713224562277 1.6005e-07 au
i 13.49181266888247 5.9892e-06 deg
node 107.03993110081 3.5287e-05 deg
peri 30.77367095732634 4.2043e-05 deg
M 118.374409346467 2.3565e-05 deg
tp 2458486.969475471983
(2019-Jan-03.46947547)
9.9482e-05 TDB
period 1561.747930576716
4.28
1.8171e-05
4.975e-08
d
yr
n .2305109505520911 2.6821e-09 deg/d
Q 3.0870053771291 2.3946e-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 = 1.20676 au 
 Jupiter MOID = 2.01078 au 
 T_jup = 3.338 
[ 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 16.5   n/a MPO476190  
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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