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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2011630130605633 1.583e-07  
a 2.728486587108461 2.5415e-08 au
q 2.17961600415039 4.3929e-07 au
i 5.53038439783844 7.906e-06 deg
node 299.7367342444232 0.00011795 deg
peri 78.83709474749483 0.00011975 deg
M 174.8156621868699 1.8568e-05 deg
tp 2458401.109467391524
(2018-Oct-09.60946739)
8.3128e-05 TDB
period 1646.194557964875
4.51
2.3001e-05
6.297e-08
d
yr
n .2186861803534654 3.0555e-09 deg/d
Q 3.277357170066532 3.0527e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53049  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 04:01:18  

Additional Information
 Earth MOID = 1.18839 au 
 Jupiter MOID = 2.24064 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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