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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1165332708064014 4.1995e-08  
a 2.199068009213005 1.2043e-08 au
q 1.942803421373691 9.1556e-08 au
i 1.515401708592526 4.7249e-06 deg
node 65.28868584256858 0.00024705 deg
peri 183.3353674978654 0.00024821 deg
M 170.7230566425387 3.1292e-05 deg
tp 2457035.633141304914
(2015-Jan-13.13314130)
0.00010275 JED
period 1191.122471266498
3.26
9.7849e-06
2.679e-08
d
yr
n .3022359234119887 2.4828e-09 deg/d
Q 2.455332597052318 1.3447e-08 au
  Orbit Determination Parameters
   # obs. used (total)      749  
   data-arc span      6997 days (19.16 yr)  
   first obs. used      1996-11-05  
   last obs. used      2016-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55725  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 19:32:43  

Additional Information
 Earth MOID = .928708 au 
 Jupiter MOID = 2.55821 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 15.9 mag n/a MPO347688  

21382 (1998 EB8)          Discovered 1998-Mar-02 by Beijing Schmidt CCD Asteroid Program at Xinglong
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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