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100510 (1997 AO18)
Classification: Main-belt Asteroid          SPK-ID: 2100510
[ 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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09312378620742665 5.1182e-08  
a 2.262220357754507 1.1847e-08 au
q 2.051553832804887 1.1549e-07 au
i 6.090455161892208 4.6212e-06 deg
node 96.69950881956713 4.9923e-05 deg
peri 47.90296843066633 5.8598e-05 deg
M 286.2306815817897 3.27e-05 deg
tp 2459255.167811630162
(2021-Feb-09.66781163)		 0.00011414 TDB
period 1242.79868857005
3.40		 9.7622e-06
2.673e-08		 d
yr
n .2896687961702082 2.2754e-09 deg/d
Q 2.472886882704125 1.295e-08 au
   Orbit Determination Parameters
   # obs. used (total)      467  
   data-arc span      8319 days (22.78 yr)  
   first obs. used      1997-01-12  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62222  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 11:54:34  

Additional Information
 Earth MOID = 1.06995 au 
 Jupiter MOID = 2.53807 au 
 T_jup = 3.606 
[ 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 16.2   n/a MPO280441  

100510 (1997 AO18)          Discovered 1997-Jan-15 by Farra d'Isonzo at Farra d'Isonzo
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1997 AO18 = 2003 YG121 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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