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469912 (2005 YN77)
Classification: Main-belt Asteroid          SPK-ID: 2469912
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06563214892987633 7.2909e-08  
a 2.625658388347012 4.3327e-08 au
q 2.453330785964042 2.0537e-07 au
i 14.77200342730841 1.2622e-05 deg
node 96.25901325571468 2.8592e-05 deg
peri 269.0926541382686 0.00018657 deg
M 139.2278432274623 0.00019877 deg
tp 2457999.493244154519
(2017-Sep-02.99324415)
0.00085373 TDB
period 1554.016977415163
4.25
3.8465e-05
1.053e-07
d
yr
n .2316577008050436 5.7339e-09 deg/d
Q 2.797985990729983 4.617e-08 au
  Orbit Determination Parameters
   # obs. used (total)      69  
   data-arc span      4809 days (13.17 yr)  
   first obs. used      2005-11-26  
   last obs. used      2019-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51157  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:10:42  

Additional Information
 Earth MOID = 1.50275 au 
 Jupiter MOID = 2.536 au 
 T_jup = 3.353 
[ 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 16.9   n/a MPO383012  
diameter diameter 2.476 km 0.652 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

469912 (2005 YN77)          Discovered 2005-Dec-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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