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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2682770972736224 1.0868e-07  
a 3.105401267306982 4.1864e-08 AU
q 2.272293229444037 3.4552e-07 AU
i 21.73629764231089 1.2474e-05 deg
node 309.8978008947889 2.7919e-05 deg
peri 179.1407577190406 3.5695e-05 deg
M 27.68430051900728 2.1839e-05 deg
tp 2456846.788602908059
(2014-Jul-08.28860291)
0.0001194 JED
period 1998.826118619341
5.47
4.0419e-05
1.107e-07
d
yr
n .1801057113705641 3.642e-09 deg/d
Q 3.938509305169927 5.3095e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      191  
   data-arc span      6244 days (17.10 yr)  
   first obs. used      1998-01-19  
   last obs. used      2015-02-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57464  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 20:51:13  

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
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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