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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2682769340701987 1.4259e-07  
a 3.105401310857313 4.727e-08 AU
q 2.272293768122937 4.5916e-07 AU
i 21.73629823393127 1.3769e-05 deg
node 309.897800007097 2.8528e-05 deg
peri 179.1407568903059 3.6275e-05 deg
M 27.68428595364013 2.3e-05 deg
tp 2456846.788680545786
(2014-Jul-08.28868055)
0.00012544 JED
period 1998.826160666825
5.47
4.5638e-05
1.25e-07
d
yr
n .1801057075818444 4.1123e-09 deg/d
Q 3.938508853591689 5.9951e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      5876 days (16.09 yr)  
   first obs. used      1998-01-19  
   last obs. used      2014-02-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57496  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-11 12:12:53  

Additional Information
 Earth MOID = 1.28748 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 14.7 mag n/a MPO280898  

168394 (1998 BX2)          Discovered 1998-Jan-19 by Shimizu, Y., Urata, T. at Nachi-Katsuura (905)
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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