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JPL Small-Body Database Browser
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48843 (1998 BN44)
Classification: Main-belt Asteroid          SPK-ID: 2048843
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .102325230752708 4.4282e-08  
a 3.061331543873086 2.0988e-08 au
q 2.748080087235729 1.3708e-07 au
i 8.568008793646504 5.4188e-06 deg
node 295.1986765462499 3.9639e-05 deg
peri 118.0939787577272 5.154e-05 deg
M 44.96625383516671 3.1353e-05 deg
tp 2458356.129834159033
(2018-Aug-25.62983416)
0.00017002 TDB
period 1956.428481350319
5.36
2.012e-05
5.509e-08
d
yr
n .1840087707941818 1.8923e-09 deg/d
Q 3.374583000510443 2.3136e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1271  
   data-arc span      14691 days (40.22 yr)  
   first obs. used      1979-07-24  
   last obs. used      2019-10-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49055  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:38:53  

Additional Information
 Earth MOID = 1.77252 au 
 Jupiter MOID = 1.95123 au 
 T_jup = 3.209 
[ 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 13.3   n/a MPO432046  
diameter diameter 9.726 km 0.166 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.107   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48843 (1998 BN44)          Discovered 1998-Jan-22 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 BN44 = 1979 OK4 = 1991 WJ = 2001 QM131 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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