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JPL Small-Body Database Browser
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344959 (2004 XH)
Classification: Outer Main-belt Asteroid          SPK-ID: 2344959
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2362354678354399 1.0694e-07  
a 3.988286787571583 8.776e-08 au
q 3.046111992447706 4.7986e-07 au
i 6.489323713646024 6.6732e-06 deg
node 72.8853348868369 8.3834e-05 deg
peri 333.1937606526357 8.6234e-05 deg
M 301.7397450274761 2.2592e-05 deg
tp 2459071.312382863203
(2020-Aug-09.81238286)
0.0001943 TDB
period 2909.229592467238
7.97
9.6024e-05
2.629e-07
d
yr
n .1237441008204147 4.0844e-09 deg/d
Q 4.93046158269546 1.0849e-07 au
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      5893 days (16.13 yr)  
   first obs. used      2003-08-26  
   last obs. used      2019-10-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63543  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 10:25:54  

Additional Information
 Earth MOID = 2.05734 au 
 Jupiter MOID = .485973 au 
 T_jup = 2.995 
[ 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 14.8   n/a MPO411245  

344959 (2004 XH)          Discovered 2004-Dec-02 by LONEOS at Anderson Mesa
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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