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43165 (1999 XA156)
Classification: Main-belt Asteroid          SPK-ID: 2043165
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .19134127616875 3.2011e-08  
a 2.582882447653851 1.1414e-08 au
q 2.088670423925898 7.9962e-08 au
i 8.022537191162199 3.5294e-06 deg
node 107.4007505100594 3.4187e-05 deg
peri 184.4713354418447 3.6382e-05 deg
M 157.7111519152155 1.3828e-05 deg
tp 2458536.274886962077
(2019-Feb-21.77488696)
5.6911e-05 TDB
period 1516.196145864196
4.15
1.005e-05
2.752e-08
d
yr
n .2374362980554923 1.5739e-09 deg/d
Q 3.077094471381803 1.3598e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1300  
   data-arc span      8266 days (22.63 yr)  
   first obs. used      1998-07-31  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51554  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:24:14  

Additional Information
 Earth MOID = 1.07059 au 
 Jupiter MOID = 2.11458 au 
 T_jup = 3.384 
[ 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 14.71   n/a MPCxxxxx  
diameter diameter 3.079 km 0.276 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.269   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

43165 (1999 XA156)          Discovered 1999-Dec-08 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XA156 = 1998 QN108 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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