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277543 (2005 YA74)
Classification: Main-belt Asteroid          SPK-ID: 2277543
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .200937334761898 1.5827e-07  
a 2.72901858092017 2.5429e-08 au
q 2.180656860754374 4.3935e-07 au
i 5.530424970304074 7.9057e-06 deg
node 299.7376219499167 0.00011793 deg
peri 78.85543313750144 0.00011974 deg
M 131.0687291483468 1.8476e-05 deg
tp 2458400.978512142206
(2018-Oct-09.47851214)
8.3299e-05 TDB
period 1646.676038069515
4.51
2.3016e-05
6.301e-08
d
yr
n .2186222375726358 3.0557e-09 deg/d
Q 3.277380301085966 3.0539e-08 au
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      7029 days (19.24 yr)  
   first obs. used      2000-10-25  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53031  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:12:40  

Additional Information
 Earth MOID = 1.19079 au 
 Jupiter MOID = 2.23947 au 
 T_jup = 3.319 
[ 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 17.4   n/a MPO413220  
diameter diameter 1.764 km 0.352 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

277543 (2005 YA74)          Discovered 2005-Dec-24 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Alternate Designations
 2005 YA74 = 2000 UT11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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