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66624 (1999 RM204)
Classification: Main-belt Asteroid          SPK-ID: 2066624
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1947907799723571 5.9937e-08  
a 2.642626713866651 1.4893e-08 au
q 2.127867395096779 1.6324e-07 au
i 13.07796632007792 6.5701e-06 deg
node 320.403868918619 1.9316e-05 deg
peri 350.1562847423277 2.333e-05 deg
M 16.73028875628219 1.1771e-05 deg
tp 2459127.578919664731
(2020-Oct-05.07891966)
5.1217e-05 TDB
period 1569.105548811244
4.30
1.3265e-05
3.632e-08
d
yr
n .2294300726122194 1.9395e-09 deg/d
Q 3.157386032636523 1.7794e-08 au
  Orbit Determination Parameters
   # obs. used (total)      634  
   data-arc span      7765 days (21.26 yr)  
   first obs. used      1999-09-08  
   last obs. used      2020-12-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56774  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:23:50  

Additional Information
 Earth MOID = 1.11297 au 
 Jupiter MOID = 2.14585 au 
 T_jup = 3.331 
[ 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 15.16   n/a E2021B10  

66624 (1999 RM204)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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