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216716 (2005 EK58)
Classification: Main-belt Asteroid          SPK-ID: 2216716
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05432643630077218 3.909e-08  
a 2.314826852267581 1.3383e-08 au
q 2.18907055873055 9.3181e-08 au
i 6.957143008841235 4.8853e-06 deg
node 181.7265032270267 3.6044e-05 deg
peri 281.0613213738807 6.032e-05 deg
M 290.5692029959099 5.0077e-05 deg
tp 2459644.599474324973
(2022-Mar-06.09947432)
0.00017982 TDB
period 1286.40048236417
3.52
1.1156e-05
3.054e-08
d
yr
n .279850641332461 2.4269e-09 deg/d
Q 2.440583145804613 1.411e-08 au
  Orbit Determination Parameters
   # obs. used (total)      311  
   data-arc span      8269 days (22.64 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-11-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56965  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:56:00  

Additional Information
 Earth MOID = 1.21862 au 
 Jupiter MOID = 2.6172 au 
 T_jup = 3.570 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457109.5 (2015-Mar-28.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0547217090430871 3.9182e-08  
q 2.188882681740914 9.3504e-08 au
tp 2457068.486924376945
(2015-Feb-14.98692438)
0.00016995 TDB
node 181.8324621825172 3.6098e-05 deg
peri 280.3622670568106 5.9953e-05 deg
i 6.950567256842152 4.8819e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      311  
   data-arc span      8269 days (22.64 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-11-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56965  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:56:00  

Additional Information
 Jupiter MOID = 2.6172 au 
 T_jup = 3.570 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.535254908059452E-15 -3.630928209732755E-15 3.158065516866108E-14 8.86759955721941E-16 1.48388613652619E-14 -5.900643624378464E-16
q -3.630928209732755E-15 8.74290795737973E-15 5.710614948872948E-13 -3.281048881429669E-15 1.443567656449363E-13 1.403906168375377E-15
tp 3.158065516866108E-14 5.710614948872948E-13 2.888460939163144E-8 -4.247153511820544E-11 8.151057364600559E-9 6.23455026595296E-12
node 8.86759955721941E-16 -3.281048881429669E-15 -4.247153511820544E-11 1.3030569058222E-9 -1.304922445249255E-9 8.557114765657642E-13
peri 1.48388613652619E-14 1.443567656449363E-13 8.151057364600559E-9 -1.304922445249255E-9 3.594331283670543E-9 9.474426262304137E-13
i -5.900643624378464E-16 1.403906168375377E-15 6.23455026595296E-12 8.557114765657642E-13 9.474426262304137E-13 2.383312295473561E-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 17.01   n/a E2021B55  

216716 (2005 EK58)          Discovered 2005-Mar-04 by Spacewatch at Kitt Peak
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

[ 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
2006-Sep-10 15:01 < 00:01 Eunom 0.0155020494564075 0.0154997578959985 0.0155043410198353 6.01506941577699 6.01506926523276 2453989.125431024 0.612791439405212 114.839930643875 48.562908505291 -6.57704664856855 20782.6426522475 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 23:56:01 2021-Apr-13 23:56
2106-Dec-29 14:58 00:02 Iris 0.0363161549663191 0.0363131809758754 0.0363191452716397 4.8831729273406 4.88317289492373 2490623.123472169 1.99043507433378 1370.06260292901 67.5275443840677 -84.448573412403 80046.5854696133 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 23:56:01 2021-Apr-13 23:56
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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