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277319 (2005 ST217)
Classification: Main-belt Asteroid          SPK-ID: 2277319
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1159234579445793 6.676e-08  
a 2.375121041849804 1.7532e-08 au
q 2.099788797641643 1.5751e-07 au
i 5.213845429383905 8.0021e-06 deg
node 177.2460685935914 5.8364e-05 deg
peri 209.4290182306649 6.4073e-05 deg
M 359.5851244640837 2.873e-05 deg
tp 2459002.040786176167
(2020-Jun-01.54078618)
0.00010671 TDB
period 1336.986578866507
3.66
1.4803e-05
4.053e-08
d
yr
n .2692622391955548 2.9813e-09 deg/d
Q 2.650453286057965 1.9564e-08 au
  Orbit Determination Parameters
   # obs. used (total)      253  
   data-arc span      6583 days (18.02 yr)  
   first obs. used      2000-04-12  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64826  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 06:33:41  

Additional Information
 Earth MOID = 1.10528 au 
 Jupiter MOID = 2.78744 au 
 T_jup = 3.527 
[ 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 16.9   n/a MPO245604  

277319 (2005 ST217)          Discovered 2005-Sep-30 by NEAT at Palomar
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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