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JPL Small-Body Database Browser
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160730 (2000 QQ209)
Classification: Main-belt Asteroid          SPK-ID: 2160730
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1770432324896459 5.1319e-08  
a 2.319078367669536 1.3823e-08 au
q 1.90850123706051 1.1882e-07 au
i 2.614182154597074 5.8249e-06 deg
node 309.5308840018525 7.7153e-05 deg
peri 347.8261439161746 7.8708e-05 deg
M 131.6993408073361 1.2929e-05 deg
tp 2458128.597080114302
(2018-Jan-10.09708011)
4.5385e-05 TDB
period 1289.946100849337
3.53
1.1533e-05
3.158e-08
d
yr
n .2790814281022794 2.4952e-09 deg/d
Q 2.729655498278563 1.627e-08 au
  Orbit Determination Parameters
   # obs. used (total)      356  
   data-arc span      6699 days (18.34 yr)  
   first obs. used      2000-08-31  
   last obs. used      2019-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50632  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:48:19  

Additional Information
 Earth MOID = .892039 au 
 Jupiter MOID = 2.47119 au 
 T_jup = 3.556 
[ 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 16.8   n/a MPO454064  
diameter diameter 2.494 km 0.117 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160730 (2000 QQ209)          Discovered 2000-Aug-31 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Alternate Designations
 2000 QQ209 = 2000 ST371 = 2004 TX321 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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