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326577 (2002 QQ56)
Classification: Main-belt Asteroid          SPK-ID: 2326577
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05958819066267782 4.9739e-08  
a 3.167458534016452 4.1399e-08 au
q 2.978715410975354 1.5057e-07 au
i 11.79756163293695 5.685e-06 deg
node 144.2979233304034 2.7605e-05 deg
peri 114.9260028508655 6.9249e-05 deg
M 120.1940150318888 5.9834e-05 deg
tp 2458313.043573578936
(2018-Jul-13.54357358)
0.0003454 TDB
period 2059.040239615284
5.64
4.0367e-05
1.105e-07
d
yr
n .1748387394640055 3.4277e-09 deg/d
Q 3.35620165705755 4.3866e-08 au
  Orbit Determination Parameters
   # obs. used (total)      188  
   data-arc span      6252 days (17.12 yr)  
   first obs. used      2002-08-17  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55722  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 09:23:24  

Additional Information
 Earth MOID = 1.98676 au 
 Jupiter MOID = 1.79924 au 
 T_jup = 3.168 
[ 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 15.7   n/a MPO494727  

326577 (2002 QQ56)          Discovered 2002-Aug-17 by Lowe, A. at Haleakala
Reference: 20120506/Numbers.arcLast Updated: 2012-05-09

[ show close-approach data ]
Alternate Designations
 2002 QQ56 = 2011 CK18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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