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214869 (2007 PA8)
Classification: Apollo [NEO, PHA]          SPK-ID: 2214869
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 170 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6539302344910047 8.5957e-09  
a 2.845848908142035 3.2459e-08 au
q .9848622643147442 1.7037e-08 au
i 1.994453579952438 1.181e-06 deg
node 141.3764502423848 9.5271e-05 deg
peri 293.8678446429125 9.4571e-05 deg
M 248.7999785594135 1.1138e-05 deg
tp 2459742.149760274817
(2022-Jun-11.64976027)
6.3518e-05 TDB
period 1753.542051276656
4.80
3.0001e-05
8.214e-08
d
yr
n .2052987550186801 3.5124e-09 deg/d
Q 4.706835551969326 5.3686e-08 au
  Orbit Determination Parameters
   # obs. used (total)      728  
   # delay obs. used      15  
   # Doppler obs. used      26  
   data-arc span      6908 days (18.91 yr)  
   first obs. used      2002-07-13  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42054  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jun-13 08:26:57  

Additional Information
 Earth MOID = .0292774 au 
 Jupiter MOID = .616756 au 
 T_jup = 2.947 
[ 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 16.4   n/a MPO266614  
rotation period rot_per 102.24 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Brozovic, M.; Benner, L.A.M.; Magri, C.; Scheeres, D.J.; et al. (2017) Icarus 286, 314-329.]

214869 (2007 PA8)          Discovered 2007-Aug-09 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

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