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117374 (2004 XQ147)
Classification: Main-belt Asteroid          SPK-ID: 2117374
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1617923908178386 4.7966e-08  
a 2.388210160791594 1.0602e-08 au
q 2.001815929101667 1.1244e-07 au
i 1.835613067195607 5.0558e-06 deg
node 276.3614255294265 0.00018437 deg
peri 187.7283025287601 0.00018522 deg
M 120.0254833473636 1.8327e-05 deg
tp 2458751.053293526019
(2019-Sep-24.55329353)
6.7722e-05 TDB
period 1348.053845051956
3.69
8.977e-06
2.458e-08
d
yr
n .2670516473220883 1.7784e-09 deg/d
Q 2.774604392481521 1.2318e-08 au
  Orbit Determination Parameters
   # obs. used (total)      404  
   data-arc span      9629 days (26.36 yr)  
   first obs. used      1994-01-10  
   last obs. used      2020-05-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59611  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:52:23  

Additional Information
 Earth MOID = 1.01854 au 
 Jupiter MOID = 2.35936 au 
 T_jup = 3.515 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457387.5 (2015-Dec-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1612086430829343 4.8249e-08  
q 2.003589732673157 1.1319e-07 au
tp 2457403.813999576012
(2016-Jan-16.31399958)
6.5984e-05 TDB
node 276.4633216977898 0.0001844 deg
peri 187.9909419799305 0.00018525 deg
i 1.834855282418626 5.0584e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      404  
   data-arc span      9629 days (26.36 yr)  
   first obs. used      1994-01-10  
   last obs. used      2020-05-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59611  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:52:23  

Additional Information
 Jupiter MOID = 2.35936 au 
 T_jup = 3.515 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.327944621436395E-15 -5.44579362698586E-15 1.544030092512378E-12 -1.05291272447747E-14 4.186770751339481E-13 -1.172610571488991E-16
q -5.44579362698586E-15 1.281303299132537E-14 -3.6104749951069E-12 2.685207421937161E-14 -9.823723763435577E-13 3.300845602780567E-16
tp 1.544030092512378E-12 -3.6104749951069E-12 4.35394767562154E-9 -9.697969258571805E-12 1.210137537402663E-9 -6.063341381953147E-13
node -1.05291272447747E-14 2.685207421937161E-14 -9.697969258571805E-12 3.40036690921812E-8 -3.398840481552262E-8 4.040936447377861E-10
peri 4.186770751339481E-13 -9.823723763435577E-13 1.210137537402663E-9 -3.398840481552262E-8 3.43170152525202E-8 -4.040573717055968E-10
i -1.172610571488991E-16 3.300845602780567E-16 -6.063341381953147E-13 4.040936447377861E-10 -4.040573717055968E-10 2.558729018532675E-11

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 16.68   n/a E2021B55  

117374 (2004 XQ147)          Discovered 2004-Dec-13 by CINEOS at Campo Imperatore
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2004 XQ147 = 1998 FK10 = 2002 JE142 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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