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71441 (2000 AR226)
Classification: Main-belt Asteroid          SPK-ID: 2071441
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08015814758623735 6.377e-08  
a 2.784919220844819 1.8356e-08 au
q 2.561685254924591 1.7669e-07 au
i 5.272303074665839 4.2388e-06 deg
node 107.8271285600341 6.7364e-05 deg
peri 276.9883653838738 7.2375e-05 deg
M 127.622985157112 2.6732e-05 deg
tp 2457998.711715513526
(2017-Sep-02.21171551)
0.00012532 TDB
period 1697.529501824677
4.65
1.6783e-05
4.595e-08
d
yr
n .2120728974742622 2.0967e-09 deg/d
Q 3.008153186765047 1.9827e-08 au
  Orbit Determination Parameters
   # obs. used (total)      706  
   data-arc span      9866 days (27.01 yr)  
   first obs. used      1992-05-03  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58171  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:37:00  

Additional Information
 Earth MOID = 1.57138 au 
 Jupiter MOID = 2.37201 au 
 T_jup = 3.321 
[ 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 15.1   n/a MPO290948  
diameter diameter 4.558 km 0.254 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 10.43 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
geometric albedo albedo 0.078   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71441 (2000 AR226)          Discovered 2000-Jan-13 by Spacewatch at Kitt Peak
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 AR226 = 1998 SP169 = 2001 FE158 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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