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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456691.5 (2014-Feb-03.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0598051796311806 1.2222e-07  
q 2.444758446608431 3.3802e-07 au
tp 2456180.145241156215
(2012-Sep-09.64524116)
0.00037813 TDB
node 279.0521695720091 2.9187e-05 deg
peri 117.5065452254227 9.6434e-05 deg
i 21.41432647833879 1.0971e-05 deg
  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
 Jupiter MOID = 2.53835 au 
 T_jup = 3.315 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.493772068023736E-14 -4.109611100313706E-14 -3.622916430216351E-12 -7.779722771725956E-14 -1.348810631127806E-12 -7.307584413527254E-14
q -4.109611100313706E-14 1.142560299290284E-13 1.033043479979847E-11 2.208075417686617E-13 3.863036701355815E-12 2.029454978651017E-13
tp -3.622916430216351E-12 1.033043479979847E-11 1.429807014792742E-7 1.889976219762721E-10 3.483410612313158E-8 -6.808089254737439E-11
node -7.779722771725956E-14 2.208075417686617E-13 1.889976219762721E-10 8.518665474683409E-10 -7.420911561775802E-10 -2.771610169055645E-11
peri -1.348810631127806E-12 3.863036701355815E-12 3.483410612313158E-8 -7.420911561775802E-10 9.299482707872727E-9 1.261460646515939E-11
i -7.307584413527254E-14 2.029454978651017E-13 -6.808089254737439E-11 -2.771610169055645E-11 1.261460646515939E-11 1.203647496884212E-10

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

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