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226269 (2003 AC57)
Classification: Main-belt Asteroid          SPK-ID: 2226269
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1956395090585257 3.7902e-08  
a 2.343851829243487 1.174e-08 au
q 1.885301808064364 9.2205e-08 au
i 6.06416682637738 4.3444e-06 deg
node 82.57753206111235 5.1736e-05 deg
peri 17.48352698601397 5.4583e-05 deg
M 206.3420910874822 1.8805e-05 deg
tp 2459159.930415986391
(2020-Nov-06.43041599)
7.1367e-05 TDB
period 1310.670899925895
3.59
9.8472e-06
2.696e-08
d
yr
n .2746684923121085 2.0636e-09 deg/d
Q 2.80240185042261 1.4036e-08 au
  Orbit Determination Parameters
   # obs. used (total)      388  
   data-arc span      10097 days (27.64 yr)  
   first obs. used      1992-01-01  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56481  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:09:20  

Additional Information
 Earth MOID = .903261 au 
 Jupiter MOID = 2.36671 au 
 T_jup = 3.529 
[ 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 MPO450049  
diameter diameter 3.146 km 0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226269 (2003 AC57)          Discovered 2003-Jan-05 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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