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100181 (1994 AN10)
Classification: Main-belt Asteroid          SPK-ID: 2100181
[ 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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2131718032752816 3.2264e-08  
a 2.182107646190175 9.8045e-09 au
q 1.716943824311035 7.042e-08 au
i 6.926688397722264 4.1239e-06 deg
node 101.2788556307589 4.3177e-05 deg
peri 201.3931471570912 4.5911e-05 deg
M 249.1369403853952 1.8779e-05 deg
tp 2459363.074321456021
(2021-May-28.57432146)		 6.311e-05 TDB
period 1177.369235324373
3.22		 7.9351e-06
2.173e-08		 d
yr
n .3057664402967161 2.0608e-09 deg/d
Q 2.647271468069315 1.1895e-08 au
   Orbit Determination Parameters
   # obs. used (total)      567  
   data-arc span      9607 days (26.30 yr)  
   first obs. used      1994-01-08  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58714  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:50:27  

Additional Information
 Earth MOID = .703534 au 
 Jupiter MOID = 2.5849 au 
 T_jup = 3.641 
[ 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 16.44   n/a E2021B55  

100181 (1994 AN10)          Discovered 1994-Jan-08 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1994 AN10 = 1998 FD4 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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