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43115 (1999 XG39)
Classification: Main-belt Asteroid          SPK-ID: 2043115
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 .1915271734774427 4.2725e-08  
a 2.641300000147921 8.9256e-09 au
q 2.135419276813621 1.1559e-07 au
i 11.39801301340015 3.9158e-06 deg
node 226.3574043559178 1.6522e-05 deg
peri 160.8786622467438 1.8743e-05 deg
M 354.9722942032897 7.9538e-06 deg
tp 2459222.397391321874
(2021-Jan-07.89739132)
3.4659e-05 TDB
period 1567.924058132571
4.29
7.9476e-06
2.176e-08
d
yr
n .2296029569370645 1.1638e-09 deg/d
Q 3.147180723482222 1.0635e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1286  
   data-arc span      22075 days (60.44 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-03-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48096  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:15:55  

Additional Information
 Earth MOID = 1.14314 au 
 Jupiter MOID = 2.30884 au 
 T_jup = 3.341 
[ 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 15.09   n/a MPCxxxxx  
diameter diameter 4.680 km 0.378 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43115 (1999 XG39)          Discovered 1999-Dec-06 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XG39 = 1986 WE9 = 3001 P-L 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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