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277096 (2005 EF269)
Classification: Main-belt Asteroid          SPK-ID: 2277096
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06327232226645296 5.2606e-08  
a 3.084074744431383 3.8909e-08 au
q 2.888938173307892 1.7555e-07 au
i 11.38794413817161 5.8739e-06 deg
node 81.21072623247692 2.706e-05 deg
peri 89.7204711115039 5.6635e-05 deg
M 338.0383491888228 4.7514e-05 deg
tp 2459321.183598257324
(2021-Apr-16.68359826)
0.00026095 TDB
period 1978.270929912297
5.42
3.7438e-05
1.025e-07
d
yr
n .181977096542565 3.4438e-09 deg/d
Q 3.279211315554874 4.1371e-08 au
  Orbit Determination Parameters
   # obs. used (total)      321  
   data-arc span      5870 days (16.07 yr)  
   first obs. used      2005-03-15  
   last obs. used      2021-04-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49384  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 11:29:29  

Additional Information
 Earth MOID = 1.9233 au 
 Jupiter MOID = 1.80914 au 
 T_jup = 3.194 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457984.5 (2017-Aug-19.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06424248736181994 5.2667e-08  
q 2.883946053107863 1.7564e-07 au
tp 2457345.066479116836
(2015-Nov-18.56647912)
0.00026121 TDB
node 81.22161702034931 2.7062e-05 deg
peri 89.9402257348066 5.5928e-05 deg
i 11.38980751240364 5.8748e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      321  
   data-arc span      5870 days (16.07 yr)  
   first obs. used      2005-03-15  
   last obs. used      2021-04-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49384  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 11:29:29  

Additional Information
 Jupiter MOID = 1.80914 au 
 T_jup = 3.194 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.773782179238073E-15 -9.06602412972326E-15 2.13466793433509E-12 2.902567305690198E-15 4.460405856972549E-13 -5.69044405665967E-15
q -9.06602412972326E-15 3.084900711899593E-14 -8.488304997183182E-12 -6.207299505148882E-15 -1.664513177887204E-12 2.066324343241366E-14
tp 2.13466793433509E-12 -8.488304997183182E-12 6.82283922529762E-8 -6.119201901477385E-11 1.280554656877742E-8 -3.976222789663999E-13
node 2.902567305690198E-15 -6.207299505148882E-15 -6.119201901477385E-11 7.323631737044321E-10 -7.286621882208476E-10 6.166399397703512E-12
peri 4.460405856972549E-13 -1.664513177887204E-12 1.280554656877742E-8 -7.286621882208476E-10 3.127958706332697E-9 -6.015224881208014E-12
i -5.69044405665967E-15 2.066324343241366E-14 -3.976222789663999E-13 6.166399397703512E-12 -6.015224881208014E-12 3.451278283852772E-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 15.67   n/a MPCxxxxx  
diameter diameter 3.279 km 0.711 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.125   0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

277096 (2005 EF269)          Discovered 2005-Mar-15 by CSS at Catalina
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

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