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JPL Small-Body Database Browser
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97857 (2000 QJ20)
Classification: Main-belt Asteroid          SPK-ID: 2097857
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1613565300067105 6.1256e-08  
a 2.338905356524128 1.1836e-08 au
q 1.961507704181286 1.3993e-07 au
i 4.008274807185826 7.278e-06 deg
node 323.8805257147918 0.00010528 deg
peri 344.1869778828892 0.00010846 deg
M 103.6092692371909 2.7658e-05 deg
tp 2458224.477779710908
(2018-Apr-15.97777971)
9.954e-05 TDB
period 1306.524023388075
3.58
9.9172e-06
2.715e-08
d
yr
n .2755402836500845 2.0915e-09 deg/d
Q 2.716303008866969 1.3745e-08 au
  Orbit Determination Parameters
   # obs. used (total)      496  
   data-arc span      7247 days (19.84 yr)  
   first obs. used      1999-03-20  
   last obs. used      2019-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55926  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:17:49  

Additional Information
 Earth MOID = .946389 au 
 Jupiter MOID = 2.52726 au 
 T_jup = 3.545 
[ 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 16.3   n/a MPO320158  
diameter diameter 1.707 km 0.586 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.152   0.113 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97857 (2000 QJ20)          Discovered 2000-Aug-24 by LINEAR at Socorro
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

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