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385117 (2012 XX11)
Classification: Main-belt Asteroid          SPK-ID: 2385117
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1409822306353241 5.3472e-08  
a 2.605728270583572 2.2956e-08 au
q 2.238366886567175 1.3754e-07 au
i 4.080783415194212 5.4435e-06 deg
node 295.2822021227816 8.2426e-05 deg
peri 261.2883999369467 8.4621e-05 deg
M 199.5267682297836 2.1379e-05 deg
tp 2459885.344878496891
(2022-Nov-01.84487850)
9.5005e-05 TDB
period 1536.356896033044
4.21
2.0303e-05
5.559e-08
d
yr
n .2343205546377534 3.0965e-09 deg/d
Q 2.97308965459997 2.6192e-08 au
  Orbit Determination Parameters
   # obs. used (total)      249  
   data-arc span      7734 days (21.17 yr)  
   first obs. used      1999-10-13  
   last obs. used      2020-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55659  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:04:09  

Additional Information
 Earth MOID = 1.24063 au 
 Jupiter MOID = 2.01258 au 
 T_jup = 3.395 
[ 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 16.74   n/a MPCxxxxx  

385117 (2012 XX11)          Discovered 2000-Dec-23 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-01-21

[ show close-approach data ]
Alternate Designations
 2012 XX11 = 2004 XB176 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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