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344762 (2003 WU61)
Classification: Main-belt Asteroid          SPK-ID: 2344762
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 .04500641936836507 6.6521e-08  
a 2.703527726825185 2.9131e-08 au
q 2.581851624177688 1.7911e-07 au
i 7.177609009357155 6.9813e-06 deg
node 66.80632818038796 5.2672e-05 deg
peri 322.4804260295109 8.7897e-05 deg
M 286.1178599483023 7.1882e-05 deg
tp 2459333.720440891067
(2021-Apr-29.22044089)
0.00032636 TDB
period 1623.658419163885
4.45
2.6243e-05
7.185e-08
d
yr
n .22172151220414 3.5837e-09 deg/d
Q 2.825203829472682 3.0442e-08 au
  Orbit Determination Parameters
   # obs. used (total)      231  
   data-arc span      6162 days (16.87 yr)  
   first obs. used      2002-07-14  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55796  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:05:55  

Additional Information
 Earth MOID = 1.59203 au 
 Jupiter MOID = 2.3849 au 
 T_jup = 3.354 
[ 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 16.1   n/a MPO397233  

344762 (2003 WU61)          Discovered 2003-Nov-19 by Spacewatch at Kitt Peak
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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