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201442 (2003 EQ34)
Classification: Main-belt Asteroid          SPK-ID: 2201442
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1825063522684336 3.5473e-08  
a 2.278484697124922 1.0774e-08 au
q 1.862646766353206 8.3201e-08 au
i 4.012333645980328 5.4732e-06 deg
node 291.9949309669825 5.7409e-05 deg
peri 298.9091056231404 5.9389e-05 deg
M 76.77577025291393 1.5285e-05 deg
tp 2459128.589779110027
(2020-Oct-06.08977911)
5.2814e-05 TDB
period 1256.225488883713
3.44
8.9103e-06
2.44e-08
d
yr
n .2865727555965271 2.0326e-09 deg/d
Q 2.694322627896638 1.274e-08 au
  Orbit Determination Parameters
   # obs. used (total)      423  
   data-arc span      6671 days (18.26 yr)  
   first obs. used      2003-03-07  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56424  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 03:12:14  

Additional Information
 Earth MOID = .856401 au 
 Jupiter MOID = 2.31495 au 
 T_jup = 3.582 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457367.5 (2015-Dec-11.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .182541727117775 3.5411e-08  
q 1.861620821441735 8.2933e-08 au
tp 2457872.419871728689
(2017-Apr-28.91987173)
5.1098e-05 TDB
node 292.0480435705754 5.738e-05 deg
peri 298.7599525850254 5.9365e-05 deg
i 4.013999202753752 5.4748e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      423  
   data-arc span      6671 days (18.26 yr)  
   first obs. used      2003-03-07  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56424  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 03:12:14  

Additional Information
 Jupiter MOID = 2.31495 au 
 T_jup = 3.582 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.253942727665272E-15 -2.921120401958507E-15 3.764927272247593E-14 -1.062851962567562E-14 7.068997871932431E-14 -2.176514665039097E-15
q -2.921120401958507E-15 6.877921214381572E-15 -3.886912361911829E-14 2.464140160928619E-14 -1.608310267311758E-13 5.235864446562343E-15
tp 3.764927272247593E-14 -3.886912361911829E-14 2.610997889664848E-9 -1.107536272641484E-12 7.823377558830188E-10 1.84405872111519E-13
node -1.062851962567562E-14 2.464140160928619E-14 -1.107536272641484E-12 3.292423836548196E-9 -3.284559613044275E-9 8.708824537384595E-11
peri 7.068997871932431E-14 -1.608310267311758E-13 7.823377558830188E-10 -3.284559613044275E-9 3.524241938000526E-9 -8.694031330952159E-11
i -2.176514665039097E-15 5.235864446562343E-15 1.84405872111519E-13 8.708824537384595E-11 -8.694031330952159E-11 2.997300128097265E-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 16.82   n/a E2021B55  
diameter diameter 1.487 km 0.259 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.183   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

201442 (2003 EQ34)          Discovered 2003-Mar-07 by LINEAR at Socorro
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

Alternate Designations
 2003 EQ34 = 2005 YX20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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