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180738 (2004 KW3)
Classification: Main-belt Asteroid          SPK-ID: 2180738
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1021907708563149 4.275e-08  
a 2.832751998535743 1.6316e-08 au
q 2.543270888160609 1.2105e-07 au
i .5177889223837732 4.2348e-06 deg
node 249.4890426072701 0.00045015 deg
peri 48.34838719926675 0.00045065 deg
M 121.7606020039169 2.0895e-05 deg
tp 2458611.499661084422
(2019-May-07.99966108)
0.00010007 TDB
period 1741.450999090715
4.77
1.5046e-05
4.119e-08
d
yr
n .206724162889436 1.786e-09 deg/d
Q 3.122233108910877 1.7984e-08 au
  Orbit Determination Parameters
   # obs. used (total)      429  
   data-arc span      8835 days (24.19 yr)  
   first obs. used      1996-11-08  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52798  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:27:45  

Additional Information
 Earth MOID = 1.5255 au 
 Jupiter MOID = 2.04657 au 
 T_jup = 3.305 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457646.5 (2016-Sep-15.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1039843714073278 4.2346e-08  
q 2.536927532799344 1.2003e-07 au
tp 2456873.229411037943
(2014-Aug-03.72941104)
9.7423e-05 TDB
node 249.6362094686797 0.00045213 deg
peri 48.74468183098751 0.00045262 deg
i .5159271009857027 4.2336e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      429  
   data-arc span      8835 days (24.19 yr)  
   first obs. used      1996-11-08  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52798  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:27:45  

Additional Information
 Jupiter MOID = 2.04657 au 
 T_jup = 3.305 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.793147373603833E-15 -5.044942149927529E-15 -3.257427688050169E-13 7.327901986445103E-15 -1.531137583143878E-13 -1.892362781913163E-16
q -5.044942149927529E-15 1.440706007100925E-14 9.350991557334696E-13 -1.547107975390236E-14 4.474330761516837E-13 6.008168355563442E-16
tp -3.257427688050169E-13 9.350991557334696E-13 9.491204286221999E-9 -1.021310255024964E-11 2.062203738827115E-9 -1.723575003793118E-13
node 7.327901986445103E-15 -1.547107975390236E-14 -1.021310255024964E-11 2.04420897584469E-7 -2.04414487954233E-7 -5.730384006293732E-11
peri -1.531137583143878E-13 4.474330761516837E-13 2.062203738827115E-9 -2.04414487954233E-7 2.048654357989354E-7 5.727421980240049E-11
i -1.892362781913163E-16 6.008168355563442E-16 -1.723575003793118E-13 -5.730384006293732E-11 5.727421980240049E-11 1.792305011786405E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.16   n/a MPCxxxxx  

180738 (2004 KW3)          Discovered 2004-May-16 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2004 KW3 = 1996 VF21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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