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344962 (2004 XR11)
Classification: Main-belt Asteroid          SPK-ID: 2344962
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 .1025741115963465 1.1466e-07  
a 2.521946954541029 2.2757e-08 au
q 2.263260486185871 2.9215e-07 au
i 1.356285917231629 5.8867e-06 deg
node 300.6772147718271 0.00033847 deg
peri 87.56081755454878 0.00033999 deg
M 348.9382957347152 3.2635e-05 deg
tp 2459045.449192163242
(2020-Jul-14.94919216)
0.00013268 TDB
period 1462.858596712837
4.01
1.9801e-05
5.421e-08
d
yr
n .2460935054207901 3.331e-09 deg/d
Q 2.780633422896187 2.5092e-08 au
  Orbit Determination Parameters
   # obs. used (total)      202  
   data-arc span      7185 days (19.67 yr)  
   first obs. used      2000-11-29  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54238  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 21:39:03  

Additional Information
 Earth MOID = 1.26835 au 
 Jupiter MOID = 2.62444 au 
 T_jup = 3.448 
[ 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 16.6   n/a MPO413346  

344962 (2004 XR11)          Discovered 2004-Dec-07 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 2004 XR11 = 2008 WC112 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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