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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1094191882292023 4.681e-08  
a 2.875725894172629 1.677e-08 au
q 2.561066301262563 1.2997e-07 au
i 4.132277213654391 5.0327e-06 deg
node 204.9838151179796 5.6452e-05 deg
peri 216.7213060107758 6.2473e-05 deg
M 100.9171280363752 2.4157e-05 deg
tp 2458501.176460150071
(2019-Jan-17.67646015)
0.00011983 TDB
period 1781.228596608319
4.88
1.5581e-05
4.266e-08
d
yr
n .2021076916716276 1.7679e-09 deg/d
Q 3.190385487082696 1.8605e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1023  
   data-arc span      7923 days (21.69 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55452  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 13:44:16  

Additional Information
 Earth MOID = 1.57522 au 
 Jupiter MOID = 2.1155 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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