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118474 (2000 AH41)
Classification: Outer Main-belt Asteroid          SPK-ID: 2118474
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2402466238177091 4.7764e-08  
a 3.414635852192023 2.7059e-08 au
q 2.594281117135983 1.6366e-07 au
i 13.33529718102518 4.6892e-06 deg
node 97.55014364444536 2.3125e-05 deg
peri 298.0746216237641 2.4745e-05 deg
M 145.9874427287575 8.8266e-06 deg
tp 2458065.895170124752
(2017-Nov-08.39517012)
5.3841e-05 TDB
period 2304.703284516209
6.31
2.7395e-05
7.5e-08
d
yr
n .1562023200203706 1.8567e-09 deg/d
Q 4.234990587248062 3.356e-08 au
  Orbit Determination Parameters
   # obs. used (total)      978  
   data-arc span      7838 days (21.46 yr)  
   first obs. used      1998-11-13  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46824  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:21:01  

Additional Information
 Earth MOID = 1.63445 au 
 Jupiter MOID = 1.38432 au 
 T_jup = 3.054 
[ 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 13.6   n/a MPO436569  
diameter diameter 10.030 km 0.165 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118474 (2000 AH41)          Discovered 2000-Jan-03 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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