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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09313553620044053 5.1025e-08  
a 2.262509468312881 8.076e-09 au
q 2.051789435822987 1.1461e-07 au
i 6.090215612209477 4.1345e-06 deg
node 96.69947199543206 4.5075e-05 deg
peri 47.81225927594129 5.0556e-05 deg
M 344.2403157120809 2.2022e-05 deg
tp 2459254.916304799647
(2021-Feb-09.41630480)
7.6105e-05 TDB
period 1243.036939698709
3.40
6.6555e-06
1.822e-08
d
yr
n .2896132757625511 1.5507e-09 deg/d
Q 2.473229500802774 8.8282e-09 au
  Orbit Determination Parameters
   # obs. used (total)      631  
   data-arc span      8828 days (24.17 yr)  
   first obs. used      1997-01-12  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56245  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:32:30  

Additional Information
 Earth MOID = 1.07007 au 
 Jupiter MOID = 2.53702 au 
 T_jup = 3.605 
[ 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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