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71244 (2000 AM9)
Classification: Main-belt Asteroid          SPK-ID: 2071244
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 .1521659865687293 5.4421e-08  
a 2.621358535959275 2.1743e-08 au
q 2.222476928184672 1.4265e-07 au
i 14.49412521385594 6.2504e-06 deg
node 79.76666423565429 2.3295e-05 deg
peri 280.9431825419838 3.1907e-05 deg
M 282.8464292282612 2.7565e-05 deg
tp 2458932.732102863098
(2020-Mar-24.23210286)
0.00012118 TDB
period 1550.201187506485
4.24
1.9287e-05
5.28e-08
d
yr
n .2322279217054811 2.8893e-09 deg/d
Q 3.020240143733878 2.5051e-08 au
  Orbit Determination Parameters
   # obs. used (total)      692  
   data-arc span      7763 days (21.25 yr)  
   first obs. used      1997-03-10  
   last obs. used      2018-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56206  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 02:14:01  

Additional Information
 Earth MOID = 1.2738 au 
 Jupiter MOID = 2.56253 au 
 T_jup = 3.343 
[ 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 14.6   n/a MPO439544  
diameter diameter 4.045 km 0.179 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.171   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71244 (2000 AM9)          Discovered 2000-Jan-02 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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