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180554 (2004 EH24)
Classification: Main-belt Asteroid          SPK-ID: 2180554
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1698096763044586 9.6799e-08  
a 2.552573961934544 1.5973e-08 au
q 2.11912220371525 2.5581e-07 au
i 5.730253395830245 5.6886e-06 deg
node 101.1936841779061 4.9683e-05 deg
peri 64.52896988568877 5.1844e-05 deg
M 46.07485232176892 1.558e-05 deg
tp 2459009.854139342026
(2020-Jun-09.35413934)
6.347e-05 TDB
period 1489.587190807856
4.08
1.3982e-05
3.828e-08
d
yr
n .2416776958217257 2.2685e-09 deg/d
Q 2.986025720153838 1.8685e-08 au
  Orbit Determination Parameters
   # obs. used (total)      446  
   data-arc span      10220 days (27.98 yr)  
   first obs. used      1992-04-26  
   last obs. used      2020-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57747  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:26:59  

Additional Information
 Earth MOID = 1.13395 au 
 Jupiter MOID = 2.00583 au 
 T_jup = 3.412 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457210.5 (2015-Jul-07.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .170588318904493 9.6873e-08  
q 2.116862094352124 2.5613e-07 au
tp 2457520.968604277539
(2016-May-12.46860428)
5.7062e-05 TDB
node 101.230839850811 4.9684e-05 deg
peri 64.77456407315007 5.1841e-05 deg
i 5.73100026323859 5.6903e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      446  
   data-arc span      10220 days (27.98 yr)  
   first obs. used      1992-04-26  
   last obs. used      2020-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57747  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:26:59  

Additional Information
 Jupiter MOID = 2.00583 au 
 T_jup = 3.412 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.384310369111156E-15 -2.479292743381294E-14 -2.463988091009857E-12 2.062172826878215E-13 -3.543076265644604E-13 -4.94781491191455E-15
q -2.479292743381294E-14 6.56046165737927E-14 6.570892632399105E-12 -5.445445355417257E-13 9.445188444273335E-13 1.376426661204565E-14
tp -2.463988091009857E-12 6.570892632399105E-12 3.256055279877555E-9 -6.780869627663083E-11 8.585694478323023E-10 3.343706388944645E-12
node 2.062172826878215E-13 -5.445445355417257E-13 -6.780869627663083E-11 2.468483794272402E-9 -2.462904532476711E-9 1.505985699581952E-10
peri -3.543076265644604E-13 9.445188444273335E-13 8.585694478323023E-10 -2.462904532476711E-9 2.687482629191013E-9 -1.491828858102614E-10
i -4.94781491191455E-15 1.376426661204565E-14 3.343706388944645E-12 1.505985699581952E-10 -1.491828858102614E-10 3.237937603337748E-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 16.82   n/a E2021B55  

180554 (2004 EH24)          Discovered 2004-Mar-15 by Crni Vrh at Crni Vrh
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2004 EH24 = 2000 GD116 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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