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100274 (1994 WU5)
Classification: Main-belt Asteroid          SPK-ID: 2100274
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08929882444831375 5.0195e-08  
a 2.483879759797171 1.2856e-08 au
q 2.262072217176324 1.2213e-07 au
i 2.589185066691577 4.8903e-06 deg
node 211.8461567477492 0.00011801 deg
peri 227.9840720677293 0.0001213 deg
M 212.6952366387593 3.1466e-05 deg
tp 2459785.570996782775
(2022-Jul-25.07099678)
0.00012738 TDB
period 1429.862511134649
3.91
1.1101e-05
3.039e-08
d
yr
n .2517724586780911 1.9547e-09 deg/d
Q 2.705687302418019 1.4004e-08 au
  Orbit Determination Parameters
   # obs. used (total)      321  
   data-arc span      10866 days (29.75 yr)  
   first obs. used      1990-10-14  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58013  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:31:25  

Additional Information
 Earth MOID = 1.27819 au 
 Jupiter MOID = 2.47283 au 
 T_jup = 3.470 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457408.5 (2016-Jan-21.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09050436901129012 5.0374e-08  
q 2.257643571175253 1.2278e-07 au
tp 2456929.765676555341
(2014-Sep-29.26567656)
0.0001152 TDB
node 211.9004647749788 0.00011795 deg
peri 228.3672131911698 0.00012113 deg
i 2.59022089954248 4.8933e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      321  
   data-arc span      10866 days (29.75 yr)  
   first obs. used      1990-10-14  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58013  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:31:25  

Additional Information
 Jupiter MOID = 2.47283 au 
 T_jup = 3.470 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.537515940276523E-15 -6.158497634296046E-15 1.059402698908676E-12 -9.441991631448271E-16 2.670244732499375E-13 -6.60931904161615E-16
q -6.158497634296046E-15 1.507377856823169E-14 -2.132330154011757E-12 6.981807516935608E-15 -5.39331254928122E-13 1.738728498329775E-15
tp 1.059402698908676E-12 -2.132330154011757E-12 1.327218411921799E-8 7.52446391669243E-11 3.214415117615503E-9 4.965056116186261E-13
node -9.441991631448271E-16 6.981807516935608E-15 7.52446391669243E-11 1.391300164752273E-8 -1.387902185509223E-8 1.135145266814492E-10
peri 2.670244732499375E-13 -5.39331254928122E-13 3.214415117615503E-9 -1.387902185509223E-8 1.467361624419528E-8 -1.132538116804404E-10
i -6.60931904161615E-16 1.738728498329775E-15 4.965056116186261E-13 1.135145266814492E-10 -1.132538116804404E-10 2.394443834682767E-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 16.93   n/a E2021B55  

100274 (1994 WU5)          Discovered 1994-Nov-28 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1994 WU5 = 1998 XK10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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