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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06713099477294482 4.7994e-08  
a 3.048214150204528 2.3516e-08 au
q 2.843584502020331 1.3857e-07 au
i 2.535762025625063 4.9782e-06 deg
node 316.4995415691361 9.9035e-05 deg
peri 234.6010669188247 0.00010472 deg
M 106.4627909483697 3.3701e-05 deg
tp 2458425.640139145056
(2018-Nov-03.14013914)
0.00018224 TDB
period 1943.8674119312
5.32
2.2494e-05
6.159e-08
d
yr
n .1851978163687337 2.1431e-09 deg/d
Q 3.252843798388724 2.5094e-08 au
  Orbit Determination Parameters
   # obs. used (total)      456  
   data-arc span      9523 days (26.07 yr)  
   first obs. used      1994-09-12  
   last obs. used      2020-10-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56039  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:23:06  

Additional Information
 Earth MOID = 1.84444 au 
 Jupiter MOID = 1.71821 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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