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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08929882454019711 5.0195e-08  
a 2.4838797583711 1.2856e-08 au
q 2.262072215649372 1.2213e-07 au
i 2.589185083057425 4.8903e-06 deg
node 211.8461566571333 0.00011801 deg
peri 227.9840716826607 0.0001213 deg
M 212.6952371036215 3.1466e-05 deg
tp 2459785.570994432555
(2022-Jul-25.07099443)
0.00012738 TDB
period 1429.862509903258
3.91
1.1101e-05
3.039e-08
d
yr
n .2517724588949165 1.9547e-09 deg/d
Q 2.705687301092828 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58038  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:07:03  

Additional Information
 Earth MOID = 1.27819 au 
 Jupiter MOID = 2.47283 au 
 T_jup = 3.470 
[ 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 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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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2072-Sep-19 21:18 00:02 Amphi 0.0324310041628866 0.0324174981710365 0.032444512918728 2.83080320841189 2.83080314579335 2478105.387232345 1.63725229894081 822.236086642758 42.6343077906042 35.1357716564994 65600.0724964993 T 16 CATAB v2.0f-lin.ifort 2020-Nov-12 20:07:04 2020-Nov-12 20:07

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