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213624 (2002 QW55)
Classification: Main-belt Asteroid          SPK-ID: 2213624
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1821853878929281 4.9241e-08  
a 2.40376932898754 1.1785e-08 au
q 1.965837681380822 1.1921e-07 au
i 1.64751007411387 7.3567e-06 deg
node 159.4248176945274 0.00018357 deg
peri 140.4967000620029 0.00018463 deg
M 297.7505682617168 1.9138e-05 deg
tp 2459235.880511091813
(2021-Jan-21.38051109)
7.2778e-05 TDB
period 1361.249117089365
3.73
1.0011e-05
2.741e-08
d
yr
n .2644629814487999 1.9449e-09 deg/d
Q 2.841700976594258 1.3932e-08 au
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      7005 days (19.18 yr)  
   first obs. used      2001-02-20  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58791  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 08:58:21  

Additional Information
 Earth MOID = .950566 au 
 Jupiter MOID = 2.37486 au 
 T_jup = 3.501 
[ show covariance matrix ]

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 17.4   n/a MPO418145  

213624 (2002 QW55)          Discovered 2002-Aug-28 by Lowe, A. at Palomar
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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