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43164 (1999 XJ154)
Classification: Main-belt Asteroid          SPK-ID: 2043164
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09339328615873817 3.5329e-08  
a 2.980186503454743 1.7189e-08 au
q 2.701857092531184 1.053e-07 au
i 9.231190673810694 3.8294e-06 deg
node 235.3887678623714 2.5061e-05 deg
peri 169.7419658263186 3.6265e-05 deg
M 54.8058515879981 2.4318e-05 deg
tp 2458914.419654392886
(2020-Mar-05.91965439)
0.00012711 TDB
period 1879.15927650898
5.14
1.6258e-05
4.451e-08
d
yr
n .1915750327821026 1.6575e-09 deg/d
Q 3.258515914378301 1.8795e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1212  
   data-arc span      8243 days (22.57 yr)  
   first obs. used      1998-08-24  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47034  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:24:12  

Additional Information
 Earth MOID = 1.71113 au 
 Jupiter MOID = 2.10913 au 
 T_jup = 3.233 
[ 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 14.59   n/a MPCxxxxx  
diameter diameter 4.372 km 0.340 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.176   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43164 (1999 XJ154)          Discovered 1999-Dec-08 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XJ154 = 1998 QC81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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