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JPL Small-Body Database Browser
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423657 (2005 YK77)
Classification: Main-belt Asteroid          SPK-ID: 2423657
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .008422412826455228 6.6661e-08  
a 2.700346304571841 3.5991e-08 au
q 2.677602873220344 1.722e-07 au
i 6.527703390342197 6.6434e-06 deg
node 93.7219215960973 7.051e-05 deg
peri 59.79173268256871 0.0004619 deg
M 41.33444546871805 0.00045624 deg
tp 2458814.403914828101
(2019-Nov-26.90391483)
0.0020538 TDB
period 1620.793260976134
4.44
3.2404e-05
8.872e-08
d
yr
n .2221134605305475 4.4406e-09 deg/d
Q 2.723089735923337 3.6294e-08 au
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      5155 days (14.11 yr)  
   first obs. used      2005-12-24  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62628  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 08:06:18  

Additional Information
 Earth MOID = 1.68966 au 
 Jupiter MOID = 2.26088 au 
 T_jup = 3.358 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO419087  
diameter diameter 2.704 km 0.449 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

423657 (2005 YK77)          Discovered 2005-Dec-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-02-04

Alternate Designations
 2005 YK77 = 2009 VL48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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