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243398 (2008 YP172)
Classification: Main-belt Asteroid          SPK-ID: 2243398
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05250830967479487 1.0698e-07  
a 2.544043525561303 2.4082e-08 au
q 2.410460100294973 2.6338e-07 au
i 1.939652732330807 5.2899e-06 deg
node 106.9752700825659 0.0002303 deg
peri 114.3510056024003 0.0002374 deg
M 186.9864593561909 5.6098e-05 deg
tp 2459712.799805764459
(2022-May-13.29980576)
0.00022984 TDB
period 1482.126364913397
4.06
2.1045e-05
5.762e-08
d
yr
n .2428942690193864 3.4489e-09 deg/d
Q 2.677626950827633 2.5347e-08 au
  Orbit Determination Parameters
   # obs. used (total)      157  
   data-arc span      7268 days (19.90 yr)  
   first obs. used      1999-11-09  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51233  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:56:49  

Additional Information
 Earth MOID = 1.4024 au 
 Jupiter MOID = 2.28841 au 
 T_jup = 3.441 
[ 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 MPO450092  

243398 (2008 YP172)          Discovered 2008-Dec-21 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Alternate Designations
 2008 YP172 = 1999 VY127 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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