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226268 (2003 AN55)
Classification: Main-belt Asteroid          SPK-ID: 2226268
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2126376434901492 6.04e-08  
a 2.360464777631147 1.244e-08 au
q 1.858541109774161 1.4415e-07 au
i 5.832832296780579 5.68e-06 deg
node 98.82106154377603 7.2376e-05 deg
peri 288.8597690020196 7.384e-05 deg
M 353.0969231272922 1.4821e-05 deg
tp 2459025.900070519087
(2020-Jun-25.40007052)
5.4609e-05 TDB
period 1324.630386635763
3.63
1.0471e-05
2.867e-08
d
yr
n .2717739254905001 2.1484e-09 deg/d
Q 2.862388445488134 1.5085e-08 au
  Orbit Determination Parameters
   # obs. used (total)      372  
   data-arc span      9126 days (24.99 yr)  
   first obs. used      1993-04-17  
   last obs. used      2018-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55484  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 08:45:32  

Additional Information
 Earth MOID = .873366 au 
 Jupiter MOID = 2.59924 au 
 T_jup = 3.514 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO385978  
diameter diameter 2.714 km 0.225 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 31.168 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Vokrouhlicky, D.; Polishook, D.; Scheeres, D.J.; et al. (2010) Nature 466, 1085-1088. Lightcurve plots as supplemental data, http://www.Nature.com/nature]
geometric albedo albedo 0.066   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226268 (2003 AN55)          Discovered 2003-Jan-05 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2003 AN55 = 1998 VQ50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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