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71440 (2000 AL225)
Classification: Outer Main-belt Asteroid          SPK-ID: 2071440
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1055607485779255 5.0854e-08  
a 3.21898716413674 3.0201e-08 au
q 2.879188469427732 1.6413e-07 au
i 4.586895611898606 7.6375e-06 deg
node 321.4868760446721 5.8578e-05 deg
peri 248.9799649002452 6.7313e-05 deg
M 104.2778283311407 3.3058e-05 deg
tp 2458389.464037271665
(2018-Sep-27.96403727)
0.00019226 TDB
period 2109.489141677009
5.78
2.9687e-05
8.128e-08
d
yr
n .1706574321182834 2.4017e-09 deg/d
Q 3.558785858845747 3.3389e-08 au
  Orbit Determination Parameters
   # obs. used (total)      739  
   data-arc span      6725 days (18.41 yr)  
   first obs. used      2000-01-12  
   last obs. used      2018-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60723  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:02:24  

Additional Information
 Earth MOID = 1.87816 au 
 Jupiter MOID = 1.45525 au 
 T_jup = 3.176 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1   n/a MPO302444  

71440 (2000 AL225)          Discovered 2000-Jan-12 by Spacewatch at Kitt Peak
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 AL225 = 2001 FL50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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