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136056 (2002 XQ49)
Classification: Main-belt Asteroid          SPK-ID: 2136056
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1862465117542911 3.6114e-08  
a 3.021112782262122 1.6766e-08 au
q 2.458441064949501 1.0766e-07 au
i 1.398928406585924 4.2619e-06 deg
node 159.2018919937621 0.00017847 deg
peri 340.248065199315 0.00017893 deg
M 74.92647386818616 1.2293e-05 deg
tp 2458601.308184670540
(2019-Apr-27.80818467)
6.4489e-05 TDB
period 1918.001022861755
5.25
1.5966e-05
4.371e-08
d
yr
n .1876954160654522 1.5624e-09 deg/d
Q 3.583784499574743 1.9888e-08 au
  Orbit Determination Parameters
   # obs. used (total)      641  
   data-arc span      8209 days (22.48 yr)  
   first obs. used      1998-01-02  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50679  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 15:56:02  

Additional Information
 Earth MOID = 1.47178 au 
 Jupiter MOID = 1.4486 au 
 T_jup = 3.219 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457340.5 (2015-Nov-14.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1874599740233035 3.6096e-08  
q 2.45443121349352 1.078e-07 au
tp 2456682.269769593100
(2014-Jan-24.76976959)
6.1396e-05 TDB
node 159.2167704532665 0.00017854 deg
peri 340.1124799262638 0.00017899 deg
i 1.39856206019331 4.2627e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      641  
   data-arc span      8209 days (22.48 yr)  
   first obs. used      1998-01-02  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50679  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 15:56:02  

Additional Information
 Jupiter MOID = 1.4486 au 
 T_jup = 3.219 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.302929557779298E-15 -3.860488755228586E-15 -6.926150035472804E-14 -6.323599489016048E-15 -1.877374579599143E-14 -1.791445457607979E-16
q -3.860488755228586E-15 1.162116309638741E-14 2.398928131815378E-13 2.038831909062086E-14 7.768283976356545E-14 5.247166344081108E-16
tp -6.926150035472804E-14 2.398928131815378E-13 3.769480702481383E-9 1.092475580759251E-11 8.011088876741829E-10 -3.766388131760643E-13
node -6.323599489016048E-15 2.038831909062086E-14 1.092475580759251E-11 3.187702550848093E-8 -3.186470233887586E-8 6.287650638741032E-11
peri -1.877374579599143E-14 7.768283976356545E-14 8.011088876741829E-10 -3.186470233887586E-8 3.203840732782781E-8 -6.293721908441488E-11
i -1.791445457607979E-16 5.247166344081108E-16 -3.766388131760643E-13 6.287650638741032E-11 -6.293721908441488E-11 1.81702052615538E-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 15.45   n/a E2020-QM9  

136056 (2002 XQ49)          Discovered 2002-Dec-10 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 2002 XQ49 = 2004 EE9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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