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JPL Small-Body Database Browser
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146850 (2002 AT99)
Classification: Main-belt Asteroid          SPK-ID: 2146850
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06383868022896202 6.6523e-08  
a 3.165592381242569 3.2806e-08 au
q 2.963505141481186 2.0784e-07 au
i 8.3090908872529 7.3536e-06 deg
node 323.9675506352414 3.7232e-05 deg
peri 24.34161199919793 6.0027e-05 deg
M 150.2079032619986 4.7011e-05 deg
tp 2457742.136586800459
(2016-Dec-19.63658680)
0.00026611 TDB
period 2057.220838858564
5.63
3.1979e-05
8.755e-08
d
yr
n .1749933663902334 2.7202e-09 deg/d
Q 3.367679621003952 3.49e-08 au
  Orbit Determination Parameters
   # obs. used (total)      411  
   data-arc span      7104 days (19.45 yr)  
   first obs. used      1999-10-13  
   last obs. used      2019-03-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63352  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:47:08  

Additional Information
 Earth MOID = 1.95725 au 
 Jupiter MOID = 1.98605 au 
 T_jup = 3.184 
[ 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 14.8   n/a MPO264279  
diameter diameter 5.666 km 0.459 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.087   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146850 (2002 AT99)          Discovered 2002-Jan-08 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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