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JPL Small-Body Database Browser
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39844 (1998 BA30)
Classification: Main-belt Asteroid          SPK-ID: 2039844
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2159793485414648 4.1079e-08  
a 2.234264838554195 7.2899e-09 au
q 1.751709774254159 9.4412e-08 au
i 4.355215810227087 4.173e-06 deg
node 313.1053417326212 4.4396e-05 deg
peri 7.428128429607653 4.5148e-05 deg
M 296.4428682636591 7.6627e-06 deg
tp 2458815.858586577070
(2019-Nov-28.35858658)
2.6157e-05 TDB
period 1219.83307065154
3.34
5.9701e-06
1.635e-08
d
yr
n .2951223480174349 1.4444e-09 deg/d
Q 2.716819902854231 8.8644e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1154  
   data-arc span      8382 days (22.95 yr)  
   first obs. used      1996-09-05  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53211  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:00:31  

Additional Information
 Earth MOID = .73807 au 
 Jupiter MOID = 2.59444 au 
 T_jup = 3.605 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO436049  

39844 (1998 BA30)          Discovered 1998-Jan-29 by Spacewatch at Kitt Peak
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 BA30 = 1996 RB24 = 1999 LC17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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