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JPL Small-Body Database Browser
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146867 (2002 AC176)
Classification: Main-belt Asteroid          SPK-ID: 2146867
[ 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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06527325542309703 5.68e-08  
a 3.046885116422057 2.5384e-08 au
q 2.848005005973007 1.7141e-07 au
i 2.531237350662339 5.8719e-06 deg
node 316.6164125828578 0.00012035 deg
peri 234.5640313641886 0.00012691 deg
M 32.48180311392197 3.9803e-05 deg
tp 2458425.224919718515
(2018-Nov-02.72491972)		 0.00021496 TDB
period 1942.596249353222
5.32		 2.4276e-05
6.646e-08		 d
yr
n .1853190029167719 2.3158e-09 deg/d
Q 3.245765226871107 2.7041e-08 au
   Orbit Determination Parameters
   # obs. used (total)      374  
   data-arc span      9005 days (24.65 yr)  
   first obs. used      1994-09-12  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58573  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:22:30  

Additional Information
 Earth MOID = 1.84917 au 
 Jupiter MOID = 1.72639 au 
 T_jup = 3.233 
[ 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 MPO260126  
diameter diameter 6.250 km 1.652 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.029   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146867 (2002 AC176)          Discovered 2002-Jan-14 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2002 AC176 = 1994 RW9 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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