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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1461399597454273 8.8e-08  
a 2.686089553577582 3.1928e-08 AU
q 2.293544534345142 2.4023e-07 AU
i 14.21541088348534 7.5292e-06 deg
node 110.2722389531881 4.0816e-05 deg
peri 316.7223125962717 5.0415e-05 deg
M 347.7478417589719 3.6147e-05 deg
tp 2457055.225439127106
(2015-Feb-01.72543913)
0.00016207 JED
period 1607.97450524154
4.40
2.8669e-05
7.849e-08
d
yr
n .2238841466867182 3.9917e-09 deg/d
Q 3.078634572810023 3.6593e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      658  
   data-arc span      6104 days (16.71 yr)  
   first obs. used      1998-01-12  
   last obs. used      2014-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47726  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 15:04:27  

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 13.3 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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