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216707 (2004 XP164)
Classification: Amor [NEO]          SPK-ID: 2216707
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 115 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4125042168614211 6.5282e-08  
a 2.177657990712746 9.3135e-09 au
q 1.279364886661769 1.3919e-07 au
i 22.6936591007669 1.0846e-05 deg
node 126.8365428625497 1.0572e-05 deg
peri 310.6646321408969 2.0628e-05 deg
M 10.49544342800274 9.882e-06 deg
tp 2459166.279903651782
(2020-Nov-12.77990365)
3.2221e-05 TDB
period 1173.769814478696
3.21
7.53e-06
2.062e-08
d
yr
n .3067040875982025 1.9676e-09 deg/d
Q 3.075951094763723 1.3155e-08 au
  Orbit Determination Parameters
   # obs. used (total)      563  
   data-arc span      6520 days (17.85 yr)  
   first obs. used      2003-06-28  
   last obs. used      2021-05-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44032  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-05 05:52:38  

Additional Information
 Earth MOID = .377192 au 
 Jupiter MOID = 2.37583 au 
 T_jup = 3.477 
[ 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 17.57   n/a MPCxxxxx  

216707 (2004 XP164)          Discovered 2004-Dec-12 by CSS at Catalina
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

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