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31230 (1998 BB47)
Classification: Main-belt Asteroid          SPK-ID: 2031230
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1461984283197653 8.8334e-08  
a 2.686450344971456 4.2201e-08 AU
q 2.293695526777537 2.4055e-07 AU
i 14.21538317408223 7.7947e-06 deg
node 110.2729541339189 4.0816e-05 deg
peri 316.6730707010138 5.4313e-05 deg
M 303.0183657044645 4.6555e-05 deg
tp 2457055.065211748800
(2015-Feb-01.56521175)
0.00021268 JED
period 1608.298487092502
4.40
3.7897e-05
1.038e-07
d
yr
n .2238390466006167 5.2744e-09 deg/d
Q 3.079205163165374 4.8371e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      656  
   data-arc span      5664 days (15.51 yr)  
   first obs. used      1998-01-12  
   last obs. used      2013-07-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47694  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 02:47:52  

Additional Information
 Earth MOID = 1.32835 AU 
 T_jup = 3.315 
[ 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 13.3 mag n/a MPO266110  

31230 (1998 BB47)          Discovered 1998-Jan-18 by BAO Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 BB47 = 1978 NM6 = 1999 JX92 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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