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43116 (1999 XN39)
Classification: Main-belt Asteroid          SPK-ID: 2043116
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2005603338980431 4.3628e-08  
a 2.755229058953802 1.2015e-08 au
q 2.202639398924436 1.1894e-07 au
i 6.854270667151175 4.8321e-06 deg
node 206.4766848854728 2.8901e-05 deg
peri 178.9476217734343 3.0138e-05 deg
M 250.2868986841674 8.8925e-06 deg
tp 2459709.585799685829
(2022-May-10.08579969)
4.2832e-05 TDB
period 1670.455813288096
4.57
1.0927e-05
2.992e-08
d
yr
n .2155100405148594 1.4097e-09 deg/d
Q 3.307818718983167 1.4425e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1240  
   data-arc span      10318 days (28.25 yr)  
   first obs. used      1992-03-25  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50538  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:15:55  

Additional Information
 Earth MOID = 1.20551 au 
 Jupiter MOID = 2.14617 au 
 T_jup = 3.304 
[ 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 14.59   n/a E2021B10  
diameter diameter 6.415 km 0.328 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.075   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43116 (1999 XN39)          Discovered 1999-Dec-06 by LINEAR at Socorro
Reference: 20020624/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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