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43120 (1999 XB49)
Classification: Main-belt Asteroid          SPK-ID: 2043120
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1233335380924734 3.493e-08  
a 2.435405350828073 1.1897e-08 au
q 2.135038192221105 8.5415e-08 au
i 7.238574620622604 3.5031e-06 deg
node 249.091782006159 3.1395e-05 deg
peri 52.60412293591142 3.8524e-05 deg
M 302.2697929704412 2.7049e-05 deg
tp 2459423.115769269617
(2021-Jul-27.61576927)
0.00010536 TDB
period 1388.210454468464
3.80
1.0173e-05
2.785e-08
d
yr
n .2593266740220895 1.9003e-09 deg/d
Q 2.735772509435041 1.3365e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1325  
   data-arc span      11979 days (32.80 yr)  
   first obs. used      1987-08-06  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54632  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:16:01  

Additional Information
 Earth MOID = 1.12646 au 
 Jupiter MOID = 2.45326 au 
 T_jup = 3.484 
[ 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 14.76   n/a E2021B10  
diameter diameter 3.296 km 0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.148   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43120 (1999 XB49)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XB49 = 1987 PF = 2001 FG100 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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