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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .185961093213938 3.5462e-08  
a 3.02269287196276 1.6288e-08 au
q 2.460589601042588 1.0599e-07 au
i 1.399034893175509 4.163e-06 deg
node 159.1755209266553 0.00017504 deg
peri 340.4315796561405 0.00017549 deg
M 112.3082714565194 1.2047e-05 deg
tp 2458601.676683843405
(2019-Apr-28.17668384)
6.2816e-05 TDB
period 1919.505936834183
5.26
1.5515e-05
4.248e-08
d
yr
n .1875482607747197 1.516e-09 deg/d
Q 3.584796142882933 1.9317e-08 au
  Orbit Determination Parameters
   # obs. used (total)      662  
   data-arc span      8209 days (22.48 yr)  
   first obs. used      1998-01-02  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50179  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:15:45  

Additional Information
 Earth MOID = 1.47379 au 
 Jupiter MOID = 1.44649 au 
 T_jup = 3.219 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457372.5 (2015-Dec-16.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1874421689434845 3.5484e-08  
q 2.454560456526274 1.0642e-07 au
tp 2456682.292171444777
(2014-Jan-24.79217144)
6.0186e-05 TDB
node 159.2153236973401 0.00017517 deg
peri 340.1228574539634 0.00017561 deg
i 1.398583598640097 4.1637e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      662  
   data-arc span      8209 days (22.48 yr)  
   first obs. used      1998-01-02  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50179  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:15:45  

Additional Information
 Jupiter MOID = 1.44649 au 
 T_jup = 3.219 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.259080049708714E-15 -3.746491044327428E-15 -1.497372391652246E-13 -7.792595469680684E-15 -3.18309000048095E-14 -2.031663093927631E-16
q -3.746491044327428E-15 1.132493370321726E-14 4.493607774838399E-13 2.487305108914558E-14 1.110027032275825E-13 6.059725811067338E-16
tp -1.497372391652246E-13 4.493607774838399E-13 3.622377376666028E-9 1.321418323500693E-11 7.722438470248583E-10 -2.88025800854876E-13
node -7.792595469680684E-15 2.487305108914558E-14 1.321418323500693E-11 3.068411058078957E-8 -3.067163383343539E-8 3.136833916562393E-11
peri -3.18309000048095E-14 1.110027032275825E-13 7.722438470248583E-10 -3.067163383343539E-8 3.084038012245317E-8 -3.141980960838698E-11
i -2.031663093927631E-16 6.059725811067338E-16 -2.88025800854876E-13 3.136833916562393E-11 -3.141980960838698E-11 1.733616058281252E-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 15.46   n/a MPCxxxxx  

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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