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56855 (2000 QJ73)
Classification: Main-belt Asteroid          SPK-ID: 2056855
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07610478513562569 5.6879e-08  
a 2.987823320188868 2.4003e-08 au
q 2.760435668382682 1.7572e-07 au
i 10.90294576636604 6.3452e-06 deg
node 336.2773410955347 2.7223e-05 deg
peri 348.3651118372238 5.2463e-05 deg
M 309.7589959320157 4.9099e-05 deg
tp 2459263.761047666913
(2021-Feb-18.26104767)
0.00025863 TDB
period 1886.387004364883
5.16
2.2732e-05
6.224e-08
d
yr
n .190841009383017 2.2997e-09 deg/d
Q 3.215210971995054 2.583e-08 au
  Orbit Determination Parameters
   # obs. used (total)      663  
   data-arc span      7761 days (21.25 yr)  
   first obs. used      1998-03-03  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62153  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:57:34  

Additional Information
 Earth MOID = 1.74978 au 
 Jupiter MOID = 2.12363 au 
 T_jup = 3.225 
[ 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 14.5   n/a MPO474450  
diameter diameter 5.458 km 0.623 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.113   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56855 (2000 QJ73)          Discovered 2000-Aug-24 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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