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24181 (1999 XN8)
Classification: Main-belt Asteroid          SPK-ID: 2024181
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 .1176249503312194 2.0453e-08  
a 2.586381349244259 1.1713e-08 au
q 2.282158371501811 5.4289e-08 au
i 14.3057853020389 6.1265e-07 deg
node 109.6612402938939 2.9611e-06 deg
peri 154.8388705339889 5.8062e-06 deg
M 226.7729650344888 7.4891e-06 deg
tp 2459762.746976195676
(2022-Jul-02.24697620)
3.4494e-05 TDB
period 1519.278061564918
4.16
1.032e-05
2.825e-08
d
yr
n .2369546491240619 1.6096e-09 deg/d
Q 2.890604326986707 1.309e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1885  
   data-arc span      13062 days (35.76 yr)  
   first obs. used      1985-06-15  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49327  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:32:12  

Additional Information
 Earth MOID = 1.27126 au 
 Jupiter MOID = 2.25049 au 
 T_jup = 3.369 
[ 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 13.76   n/a MPCxxxxx  
diameter diameter 6.013 km 0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.135   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24181 (1999 XN8)          Discovered 1999-Dec-02 by Uppsala-DLR Asteroid Survey at Kvistaberg
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XN8 = 1992 AD5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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