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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1691616397114229 6.6539e-08  
a 2.91291562498513 1.7357e-08 au
q 2.420162041521621 1.9359e-07 au
i 3.094219918272932 3.9735e-06 deg
node 42.5550328522495 0.00013417 deg
peri 88.12990420115085 0.00013517 deg
M 32.11821894595046 1.4623e-05 deg
tp 2458838.490963914514
(2019-Dec-20.99096391)
7.3589e-05 TDB
period 1815.893125609587
4.97
1.6231e-05
4.444e-08
d
yr
n .1982495527533591 1.772e-09 deg/d
Q 3.405669208448639 2.0294e-08 au
  Orbit Determination Parameters
   # obs. used (total)      420  
   data-arc span      7861 days (21.52 yr)  
   first obs. used      1998-10-13  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53767  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:12:02  

Additional Information
 Earth MOID = 1.4373 au 
 Jupiter MOID = 1.65247 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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