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JPL Small-Body Database Browser
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71331 (2000 AY89)
Classification: Main-belt Asteroid          SPK-ID: 2071331
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1093994716511968 5.0108e-08  
a 2.876611341538108 1.8291e-08 au
q 2.561911580627998 1.424e-07 au
i 4.132012841520451 5.8729e-06 deg
node 204.9949667775846 5.9588e-05 deg
peri 216.8961379674782 6.5333e-05 deg
M 19.92361582426939 2.427e-05 deg
tp 2458501.875260843649
(2019-Jan-18.37526084)
0.0001202 TDB
period 1782.051330915398
4.88
1.6997e-05
4.654e-08
d
yr
n .2020143829499436 1.9268e-09 deg/d
Q 3.191311102448217 2.0293e-08 au
  Orbit Determination Parameters
   # obs. used (total)      903  
   data-arc span      7481 days (20.48 yr)  
   first obs. used      1998-08-17  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56584  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:48:33  

Additional Information
 Earth MOID = 1.57576 au 
 Jupiter MOID = 2.11429 au 
 T_jup = 3.283 
[ 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 14.8   n/a MPO453119  
diameter diameter 3.807 km 0.220 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.161   0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71331 (2000 AY89)          Discovered 2000-Jan-05 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 AY89 = 1998 RD36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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