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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457122.5 (2015-Apr-10.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1979395497333052 1.5733e-07  
q 2.191111374709652 4.3512e-07 au
tp 2456749.689590198110
(2014-Apr-02.18959020)
8.788e-05 TDB
node 299.9963880445291 0.00011736 deg
peri 78.18675634109009 0.00011934 deg
i 5.541793390995315 7.9228e-06 deg
  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
 Jupiter MOID = 2.24064 au 
 T_jup = 3.319 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.475399724329491E-14 -6.839379249642729E-14 -4.256453175800783E-12 -2.002729053589014E-13 -1.85231837661591E-12 -6.991150602813888E-14
q -6.839379249642729E-14 1.893331898329708E-13 1.13009951230495E-11 5.581141941478093E-13 5.03200201543763E-12 1.940650022107211E-13
tp -4.256453175800783E-12 1.13009951230495E-11 7.722965954486651E-9 1.624916491846641E-11 2.032723917795808E-9 1.119365351838424E-11
node -2.002729053589014E-13 5.581141941478093E-13 1.624916491846641E-11 1.377345558823971E-8 -1.369656391282198E-8 2.750881888555347E-10
peri -1.85231837661591E-12 5.03200201543763E-12 2.032723917795808E-9 -1.369656391282198E-8 1.424203333380445E-8 -2.682526065635372E-10
i -6.991150602813888E-14 1.940650022107211E-13 1.119365351838424E-11 2.750881888555347E-10 -2.682526065635372E-10 6.277119323087363E-11

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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