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344968 (2004 XT31)
Classification: Main-belt Asteroid          SPK-ID: 2344968
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0577724077812585 1.2154e-07  
a 2.600451119565699 4.155e-08 au
q 2.45021679707092 3.3536e-07 au
i 21.42498276521939 1.0973e-05 deg
node 279.0096773364089 2.9157e-05 deg
peri 117.8878124659856 0.00010034 deg
M 302.3635937741485 9.5378e-05 deg
tp 2459245.725631692083
(2021-Jan-31.22563169)
0.00040717 TDB
period 1531.6920882127
4.19
3.671e-05
1.005e-07
d
yr
n .2350341839397216 5.6331e-09 deg/d
Q 2.750685442060479 4.3951e-08 au
  Orbit Determination Parameters
   # obs. used (total)      123  
   data-arc span      7054 days (19.31 yr)  
   first obs. used      2001-01-04  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .70141  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 22:27:55  

Additional Information
 Earth MOID = 1.51229 au 
 Jupiter MOID = 2.53835 au 
 T_jup = 3.315 
[ 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 15.8   n/a MPO291953  

344968 (2004 XT31)          Discovered 2004-Dec-09 by CSS at Catalina
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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