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JPL Small-Body Database Browser
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39832 (1998 BJ9)
Classification: Main-belt Asteroid          SPK-ID: 2039832
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06344143149351823 5.4896e-08  
a 2.353928448474592 1.0001e-08 au
q 2.204591858070048 1.3019e-07 au
i 6.419523551316114 4.1996e-06 deg
node 293.9602328047213 4.0005e-05 deg
peri 217.2128254133791 5.305e-05 deg
M 53.37637048933558 3.368e-05 deg
tp 2458804.915311984208
(2019-Nov-17.41531198)
0.0001234 TDB
period 1319.132174784214
3.61
8.4065e-06
2.302e-08
d
yr
n .2729066934167452 1.7392e-09 deg/d
Q 2.503265038879137 1.0635e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1211  
   data-arc span      21659 days (59.30 yr)  
   first obs. used      1960-10-17  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49652  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:37:00  

Additional Information
 Earth MOID = 1.21982 au 
 Jupiter MOID = 2.51041 au 
 T_jup = 3.545 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO452721  

39832 (1998 BJ9)          Discovered 1998-Jan-24 by JPL/GEODSS NEAT at Haleakala
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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