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20493 (1999 OD5)
Classification: Main-belt Asteroid          SPK-ID: 2020493
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1958720348539922 4.2928e-08  
a 2.747496866893012 1.5606e-08 au
q 2.209339064819709 1.1917e-07 au
i 14.62622375756812 4.9449e-06 deg
node 127.9800432894634 1.5745e-05 deg
peri 218.3474895673424 1.9798e-05 deg
M 234.5001163057146 1.5914e-05 deg
tp 2459780.389250470565
(2022-Jul-19.88925047)
7.6255e-05 TDB
period 1663.428873591133
4.55
1.4172e-05
3.88e-08
d
yr
n .2164204347510245 1.8439e-09 deg/d
Q 3.285654668966314 1.8662e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1519  
   data-arc span      8827 days (24.17 yr)  
   first obs. used      1997-01-13  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48965  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:22:21  

Additional Information
 Earth MOID = 1.21689 au 
 Jupiter MOID = 2.15023 au 
 T_jup = 3.273 
[ 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 13.91   n/a E2021B10  

20493 (1999 OD5)          Discovered 1999-Jul-16 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 OD5 = 1998 KX58 = 1999 RY231 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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