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243123 (2007 RD220)
Classification: Main-belt Asteroid          SPK-ID: 2243123
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1493210899394754 5.2675e-08  
a 2.413777754838419 1.8836e-08 au
q 2.053349829614287 1.2718e-07 au
i 1.519681381508019 6.7909e-06 deg
node 315.2182862446829 0.00016571 deg
peri 315.7681231802181 0.00016702 deg
M 220.670464750172 2.0334e-05 deg
tp 2459530.633239429852
(2021-Nov-12.13323943)
7.9974e-05 TDB
period 1369.7595836557
3.75
1.6034e-05
4.39e-08
d
yr
n .2628198439314507 3.0764e-09 deg/d
Q 2.774205680062552 2.1649e-08 au
  Orbit Determination Parameters
   # obs. used (total)      219  
   data-arc span      6533 days (17.89 yr)  
   first obs. used      2002-02-14  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53778  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:17:20  

Additional Information
 Earth MOID = 1.03748 au 
 Jupiter MOID = 2.32059 au 
 T_jup = 3.502 
[ 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 17.0   n/a MPO454782  

243123 (2007 RD220)          Discovered 2007-Sep-14 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

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