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118333 (1999 AB24)
Classification: Main-belt Asteroid          SPK-ID: 2118333
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2884844617001038 6.5531e-08  
a 2.345998609021423 9.4544e-09 au
q 1.669214463148685 1.5397e-07 au
i 24.14100543643471 8.6556e-06 deg
node 348.0021946721403 8.2061e-06 deg
peri 128.6509830387693 1.7956e-05 deg
M 345.8221851504642 1.1692e-05 deg
tp 2459052.188847879280
(2020-Jul-21.68884788)
4.2686e-05 TDB
period 1312.472015893918
3.59
7.9339e-06
2.172e-08
d
yr
n .2742915625174726 1.6581e-09 deg/d
Q 3.02278275489416 1.2182e-08 au
  Orbit Determination Parameters
   # obs. used (total)      979  
   data-arc span      7673 days (21.01 yr)  
   first obs. used      1999-01-15  
   last obs. used      2020-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49186  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:12:17  

Additional Information
 Earth MOID = .755611 au 
 Jupiter MOID = 2.20965 au 
 T_jup = 3.391 
[ 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 15.3   n/a MPO401046  
diameter diameter 2.609 km 0.497 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.284   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118333 (1999 AB24)          Discovered 1999-Jan-15 by CSS at Catalina
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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