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216661 (2003 XM11)
Classification: Main-belt Asteroid          SPK-ID: 2216661
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .145690364541735 3.3009e-08  
a 2.436820693365143 1.262e-08 au
q 2.081799398225932 7.8559e-08 au
i 5.922714605546243 5.8147e-06 deg
node 229.02262926564 5.7223e-05 deg
peri 219.9720265128433 6.3704e-05 deg
M 158.4946239838961 2.8212e-05 deg
tp 2458588.789658070674
(2019-Apr-15.28965807)
0.00010734 TDB
period 1389.420773772947
3.80
1.0793e-05
2.955e-08
d
yr
n .2591007755141205 2.0127e-09 deg/d
Q 2.791841988504354 1.4458e-08 au
  Orbit Determination Parameters
   # obs. used (total)      245  
   data-arc span      7493 days (20.51 yr)  
   first obs. used      1999-11-10  
   last obs. used      2020-05-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61556  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:55:45  

Additional Information
 Earth MOID = 1.10172 au 
 Jupiter MOID = 2.42417 au 
 T_jup = 3.482 
[ 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 17.15   n/a E2021B55  

216661 (2003 XM11)          Discovered 2003-Dec-12 by NEAT at Palomar
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

[ show close-approach data ]
Alternate Designations
 2003 XM11 = 1999 VC140 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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