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JPL Small-Body Database Browser
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442850 (2013 AN122)
Classification: Main-belt Asteroid          SPK-ID: 2442850
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2013241493381591 8.2572e-08  
a 2.780388430951792 4.4534e-08 au
q 2.220629095260764 2.3082e-07 au
i 6.968259883110735 1.3375e-05 deg
node 335.4812974755384 6.0736e-05 deg
peri 311.5434978624508 7.1516e-05 deg
M 58.95922076955825 4.1934e-05 deg
tp 2458723.164240839564
(2019-Aug-27.66424084)
0.00019529 TDB
period 1693.388616650555
4.64
4.0685e-05
1.114e-07
d
yr
n .2125914845890859 5.1076e-09 deg/d
Q 3.340147766642821 5.3499e-08 au
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      6027 days (16.50 yr)  
   first obs. used      2001-09-16  
   last obs. used      2018-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61763  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:17:28  

Additional Information
 Earth MOID = 1.21178 au 
 Jupiter MOID = 1.89197 au 
 T_jup = 3.293 
[ 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 16.5   n/a MPO437722  
diameter diameter 3.467 km 0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.028   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

442850 (2013 AN122)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2013 AN122 = 2001 SB291 = 2001 SY298 = 2010 HG66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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