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168394 (1998 BX2)
Classification: Main-belt Asteroid          SPK-ID: 2168394
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2680173070142519 9.0949e-08  
a 3.104952372180112 3.8986e-08 au
q 2.272771398980885 2.8468e-07 au
i 21.73610825096938 1.1327e-05 deg
node 309.8959724379739 2.7741e-05 deg
peri 179.1420477301478 3.5414e-05 deg
M 99.76269335619553 2.2221e-05 deg
tp 2456846.708219155056
(2014-Jul-08.20821916)
0.00011713 JED
period 1998.39272975882
5.47
3.7637e-05
1.03e-07
d
yr
n .1801447706644966 3.3928e-09 deg/d
Q 3.937133345379338 4.9434e-08 au
  Orbit Determination Parameters
   # obs. used (total)      200  
   data-arc span      6322 days (17.31 yr)  
   first obs. used      1998-01-19  
   last obs. used      2015-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56815  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 22:04:22  

Additional Information
 Earth MOID = 1.28778 au 
 Jupiter MOID = 1.1527 au 
 T_jup = 3.058 
[ 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 14.8 mag n/a MPO338355  

168394 (1998 BX2)          Discovered 1998-Jan-19 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 20071124/Numbers.arcLast Updated: 2007-11-26

[ show close-approach data ]
Alternate Designations
 1998 BX2 = 2002 XN65 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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