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266510 (2008 EU54)
Classification: Main-belt Asteroid          SPK-ID: 2266510
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .181162664776199 4.8246e-08  
a 2.293812776099188 1.3189e-08 au
q 1.878259541083368 1.096e-07 au
i 5.671619239651182 5.6918e-06 deg
node 150.7442970902603 4.328e-05 deg
peri 161.8182313671136 4.6366e-05 deg
M 87.35186184424502 1.3175e-05 deg
tp 2458692.603293609700
(2019-Jul-28.10329361)
4.6842e-05 TDB
period 1268.923317263108
3.47
1.0944e-05
2.996e-08
d
yr
n .2837050869050701 2.4468e-09 deg/d
Q 2.709366011115008 1.5578e-08 au
  Orbit Determination Parameters
   # obs. used (total)      390  
   data-arc span      6321 days (17.31 yr)  
   first obs. used      2002-10-03  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60185  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:47:41  

Additional Information
 Earth MOID = .865295 au 
 Jupiter MOID = 2.57086 au 
 T_jup = 3.568 
[ 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 16.8   n/a MPO494440  

266510 (2008 EU54)          Discovered 2008-Mar-06 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2164-Mar-12 14:31 00:04 Amphi 0.0463909603185338 0.0463882076527892 0.046393746942677 4.96372556793874 4.96372554297372 2511516.104971326 4.43055987575297 2163.8829734708 55.3150845997566 86.6492677692401 125205.41775345 T 16 CATAB v2.0f-lin.ifort 2020-Feb-25 12:47:53 2020-Feb-25 12:47

Alternate Designations
 2008 EU54 = 2002 UP47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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