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21382 (1998 EB8)
Classification: Main-belt Asteroid          SPK-ID: 2021382
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1161746774707678 5.2966e-08  
a 2.199127795684685 1.4746e-08 AU
q 1.943644833304016 1.2053e-07 AU
i 1.515446615502947 5.4265e-06 deg
node 65.29264219185521 0.0002546 deg
peri 183.3038488321196 0.00025623 deg
M 288.9915677949458 3.6519e-05 deg
tp 2457035.453301388837
(2015-Jan-12.95330139)
0.00012179 JED
period 1191.171046499471
3.26
1.1981e-05
3.28e-08
d
yr
n .3022235984143019 3.0397e-09 deg/d
Q 2.454610758065354 1.6459e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      655  
   data-arc span      6402 days (17.53 yr)  
   first obs. used      1996-11-05  
   last obs. used      2014-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56843  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 14:09:32  

Additional Information
 Earth MOID = .929665 AU 
 T_jup = 3.657 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8 mag n/a MPO253511  

21382 (1998 EB8)          Discovered 1998-Mar-02 by Beijing Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 EB8 = 1996 VE15 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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