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146859 (2002 AB149)
Classification: Main-belt Asteroid          SPK-ID: 2146859
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2114286492156229 6.324e-08  
a 2.8002941464695 1.5371e-08 au
q 2.208231737675038 1.831e-07 au
i 9.247590206142934 5.0788e-06 deg
node 143.3323579631977 2.9581e-05 deg
peri 357.6016537894261 3.3058e-05 deg
M 329.9068506874267 1.2129e-05 deg
tp 2459143.576742881314
(2020-Oct-21.07674288)
5.8052e-05 TDB
period 1711.606415874611
4.69
1.4092e-05
3.858e-08
d
yr
n .2103287278320023 1.7317e-09 deg/d
Q 3.392356555263962 1.8621e-08 au
  Orbit Determination Parameters
   # obs. used (total)      616  
   data-arc span      7895 days (21.62 yr)  
   first obs. used      1998-06-17  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57064  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:39:52  

Additional Information
 Earth MOID = 1.22125 au 
 Jupiter MOID = 1.63478 au 
 T_jup = 3.274 
[ 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 15.4   n/a MPO453934  
diameter diameter 5.768 km 2.155 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.024   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

146859 (2002 AB149)          Discovered 2002-Jan-13 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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