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277082 (2005 EH173)
Classification: Main-belt Asteroid          SPK-ID: 2277082
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1417121219832791 8.2484e-08  
a 3.195332669927302 4.5884e-08 au
q 2.742515296829407 2.8104e-07 au
i 5.668649521988052 8.8786e-06 deg
node 325.6801986077778 4.9945e-05 deg
peri 166.364395709174 5.4219e-05 deg
M 272.0632687996107 2.1095e-05 deg
tp 2459510.112842223843
(2021-Oct-22.61284222)
0.00012807 TDB
period 2086.279768377054
5.71
4.4938e-05
1.23e-07
d
yr
n .1725559560403775 3.7168e-09 deg/d
Q 3.648150043025197 5.2387e-08 au
  Orbit Determination Parameters
   # obs. used (total)      252  
   data-arc span      7540 days (20.64 yr)  
   first obs. used      1999-02-09  
   last obs. used      2019-10-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55919  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 05:21:24  

Additional Information
 Earth MOID = 1.75733 au 
 Jupiter MOID = 1.39879 au 
 T_jup = 3.172 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457379.5 (2015-Dec-23.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .140055336870357 8.336e-08  
q 2.749513466208203 2.839e-07 au
tp 2457428.926847062549
(2016-Feb-10.42684706)
0.00011033 TDB
node 325.828373585078 4.9819e-05 deg
peri 167.2769073999818 5.4111e-05 deg
i 5.675478538715747 8.8856e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      252  
   data-arc span      7540 days (20.64 yr)  
   first obs. used      1999-02-09  
   last obs. used      2019-10-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55919  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 05:21:24  

Additional Information
 Jupiter MOID = 1.39879 au 
 T_jup = 3.172 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.948915954143868E-15 -2.346872342940616E-14 6.659310313739817E-13 -9.40313064871441E-15 1.277289580443964E-13 -4.038724259700495E-15
q -2.346872342940616E-14 8.05966201373028E-14 -1.11129314292878E-12 3.007843078903777E-14 -2.292504763475082E-13 1.55934020239176E-14
tp 6.659310313739817E-13 -1.11129314292878E-12 1.21726205260972E-8 3.285795149426706E-12 2.347126280437199E-9 -5.033047251292435E-12
node -9.40313064871441E-15 3.007843078903777E-14 3.285795149426706E-12 2.481964516682218E-9 -2.468289705087813E-9 -7.303551437299491E-12
peri 1.277289580443964E-13 -2.292504763475082E-13 2.347126280437199E-9 -2.468289705087813E-9 2.927986961951781E-9 6.294210637815832E-12
i -4.038724259700495E-15 1.55934020239176E-14 -5.033047251292435E-12 -7.303551437299491E-12 6.294210637815832E-12 7.895401681563264E-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 15.7   n/a MPO455056  

277082 (2005 EH173)          Discovered 2005-Mar-08 by Jarnac at Vail-Jarnac
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Alternate Designations
 2005 EH173 = 1999 CY137 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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