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56918 (2000 QQ230)
Classification: Main-belt Asteroid          SPK-ID: 2056918
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04112025034461886 4.9297e-08  
a 3.108588299396758 2.6032e-08 au
q 2.980762370307211 1.4982e-07 au
i 21.84231672445269 6.9477e-06 deg
node 2.967513041445384 1.2703e-05 deg
peri 123.3761803606678 8.7017e-05 deg
M 84.70671005755823 8.4307e-05 deg
tp 2458529.459171138931
(2019-Feb-14.95917114)
0.00046802 TDB
period 2001.903961029283
5.48
2.5146e-05
6.885e-08
d
yr
n .1798288064802596 2.2589e-09 deg/d
Q 3.236414228486306 2.7102e-08 au
  Orbit Determination Parameters
   # obs. used (total)      841  
   data-arc span      8070 days (22.09 yr)  
   first obs. used      1998-03-25  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49185  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:15:05  

Additional Information
 Earth MOID = 2.02402 au 
 Jupiter MOID = 1.77757 au 
 T_jup = 3.108 
[ 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 14.3   n/a MPO385183  
diameter diameter 9.024 km 0.297 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56918 (2000 QQ230)          Discovered 2000-Aug-31 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

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