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117872 (2210 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2117872
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2019750335538668 3.9117e-08  
a 2.348858161017116 8.9804e-09 au
q 1.87444745513241 9.2709e-08 au
i 1.256194721596773 3.7664e-06 deg
node 257.1517311707574 0.00022485 deg
peri 156.2068448863331 0.00022514 deg
M 173.2216376944942 1.273e-05 deg
tp 2458367.821240374285
(2018-Sep-06.32124037)
4.4436e-05 TDB
period 1314.87241719166
3.60
7.5407e-06
2.065e-08
d
yr
n .2737908220547342 1.5702e-09 deg/d
Q 2.823268866901822 1.0794e-08 au
  Orbit Determination Parameters
   # obs. used (total)      531  
   data-arc span      21823 days (59.75 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54458  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:15:41  

Additional Information
 Earth MOID = .885768 au 
 Jupiter MOID = 2.53902 au 
 T_jup = 3.531 
[ 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 16.7   n/a MPO412804  

117872 (2210 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2210 P-L = 2000 YU44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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