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JPL Small-Body Database Browser
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117412 (2005 AJ12)
Classification: Main-belt Asteroid          SPK-ID: 2117412
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1694162125563773 7.0081e-08  
a 2.913676449527175 2.4825e-08 au
q 2.420052420833569 2.0554e-07 au
i 3.094338732237469 4.7816e-06 deg
node 42.56431274407444 0.00014458 deg
peri 88.17311295696108 0.00014551 deg
M 312.8010482842416 1.6426e-05 deg
tp 2458838.671759337538
(2019-Dec-21.17175934)
8.4086e-05 TDB
period 1816.604611853847
4.97
2.3217e-05
6.356e-08
d
yr
n .198171906892067 2.5327e-09 deg/d
Q 3.407300478220781 2.9031e-08 au
  Orbit Determination Parameters
   # obs. used (total)      332  
   data-arc span      7312 days (20.02 yr)  
   first obs. used      1998-10-13  
   last obs. used      2018-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56402  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 01:28:09  

Additional Information
 Earth MOID = 1.43758 au 
 Jupiter MOID = 1.65223 au 
 T_jup = 3.259 
[ 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 16.2   n/a MPO417611  
diameter diameter 4.013 km 0.137 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117412 (2005 AJ12)          Discovered 2005-Jan-06 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2005 AJ12 = 2000 CM7 = 2003 TP30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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