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101424 (1998 VA20)
Classification: Main-belt Asteroid          SPK-ID: 2101424
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2097963803381626 4.0805e-08  
a 2.760579041435037 1.8832e-08 au
q 2.181419550904571 1.1382e-07 au
i 5.294199887877082 4.8084e-06 deg
node 79.18935867328348 5.4618e-05 deg
peri 6.879505040789043 5.6861e-05 deg
M 266.6727103983325 2.0727e-05 deg
tp 2459634.815030169357
(2022-Feb-24.31503017)
9.9624e-05 TDB
period 1675.323600720692
4.59
1.7143e-05
4.693e-08
d
yr
n .2148838587632473 2.1989e-09 deg/d
Q 3.339738531965502 2.2783e-08 au
  Orbit Determination Parameters
   # obs. used (total)      557  
   data-arc span      7980 days (21.85 yr)  
   first obs. used      1998-11-10  
   last obs. used      2020-09-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59516  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:36:43  

Additional Information
 Earth MOID = 1.19745 au 
 Jupiter MOID = 1.8965 au 
 T_jup = 3.303 
[ 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 15.47   n/a E2021B55  

101424 (1998 VA20)          Discovered 1998-Nov-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 VA20 = 2003 YJ9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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