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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1461399683912802 8.7589e-08  
a 2.686089558404788 2.1626e-08 AU
q 2.293544515243364 2.3923e-07 AU
i 14.21541399833809 6.5373e-06 deg
node 110.2722389920732 4.0099e-05 deg
peri 316.7223148456944 4.6439e-05 deg
M 347.747837482859 2.4289e-05 deg
tp 2457055.225458374296
(2015-Feb-01.72545837)
0.00010861 JED
period 1607.974509576107
4.40
1.9419e-05
5.317e-08
d
yr
n .2238841460832007 2.7038e-09 deg/d
Q 3.078634601566212 2.4787e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      730  
   data-arc span      6194 days (16.96 yr)  
   first obs. used      1998-01-12  
   last obs. used      2014-12-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46278  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 03:23:35  

Additional Information
 Earth MOID = 1.32862 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 13.4 mag n/a MPO313660  

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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