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277100 (2005 EW295)
Classification: Main-belt Asteroid          SPK-ID: 2277100
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2805656631320417 6.8407e-08  
a 3.063537923448254 3.8599e-08 au
q 2.204014374425837 2.085e-07 au
i 16.87407982717088 9.5431e-06 deg
node 193.438711470829 1.5889e-05 deg
peri 323.7026229723768 2.6116e-05 deg
M 300.3361900481752 1.7663e-05 deg
tp 2459325.094980742973
(2021-Apr-20.59498074)
9.912e-05 TDB
period 1958.54393411724
5.36
3.7015e-05
1.013e-07
d
yr
n .1838100201526805 3.4739e-09 deg/d
Q 3.923061472470672 4.9428e-08 au
  Orbit Determination Parameters
   # obs. used (total)      289  
   data-arc span      6205 days (16.99 yr)  
   first obs. used      2003-10-21  
   last obs. used      2020-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50567  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 21:20:47  

Additional Information
 Earth MOID = 1.23315 au 
 Jupiter MOID = 1.21634 au 
 T_jup = 3.108 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457358.5 (2015-Dec-02.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2817718946098567 6.8641e-08  
q 2.199828171533851 2.0986e-07 au
tp 2457368.929490239391
(2015-Dec-12.42949024)
8.5128e-05 TDB
node 193.4418556122179 1.5888e-05 deg
peri 323.8937994305538 2.5972e-05 deg
i 16.87792547659348 9.5448e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      289  
   data-arc span      6205 days (16.99 yr)  
   first obs. used      2003-10-21  
   last obs. used      2020-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50567  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 21:20:47  

Additional Information
 Jupiter MOID = 1.21634 au 
 T_jup = 3.108 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.71160780197774E-15 -1.428024016486906E-14 4.72143771971582E-12 -4.283047363521531E-14 1.163740934438924E-12 9.422593084401163E-15
q -1.428024016486906E-14 4.404288548928466E-14 -1.413081951978995E-11 1.286840118205389E-13 -3.489099197585957E-12 -2.704463664995825E-14
tp 4.72143771971582E-12 -1.413081951978995E-11 7.246742961719085E-9 -5.748066962984898E-11 1.765602826073192E-9 1.367378911242547E-11
node -4.283047363521531E-14 1.286840118205389E-13 -5.748066962984898E-11 2.524249299593848E-10 -2.544484591359255E-10 6.057020964114225E-11
peri 1.163740934438924E-12 -3.489099197585957E-12 1.765602826073192E-9 -2.544484591359255E-10 6.745644688049004E-10 -5.471168294209561E-11
i 9.422593084401163E-15 -2.704463664995825E-14 1.367378911242547E-11 6.057020964114225E-11 -5.471168294209561E-11 9.110281106184426E-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 15.9   n/a MPO455056  
diameter diameter 4.313 km 0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

277100 (2005 EW295)          Discovered 2005-Mar-07 by LINEAR at Socorro
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Alternate Designations
 2005 EW295 = 2008 TQ140 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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