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JPL Small-Body Database Browser
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193897 (2001 QF230)
Classification: Main-belt Asteroid          SPK-ID: 2193897
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2416660545874061 7.2319e-08  
a 3.152762998568512 2.3458e-08 au
q 2.3908472036553 2.3263e-07 au
i 8.376663567241337 6.4171e-06 deg
node 290.4475371042649 5.1578e-05 deg
peri 82.80891854000178 5.4496e-05 deg
M 29.64729598756466 1.3324e-05 deg
tp 2458432.109338614066
(2018-Nov-09.60933861)
7.5318e-05 TDB
period 2044.727388439171
5.60
2.282e-05
6.248e-08
d
yr
n .1760625900721189 1.965e-09 deg/d
Q 3.914678793481725 2.9127e-08 au
  Orbit Determination Parameters
   # obs. used (total)      423  
   data-arc span      6341 days (17.36 yr)  
   first obs. used      2001-08-24  
   last obs. used      2019-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50119  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:27:53  

Additional Information
 Earth MOID = 1.40836 au 
 Jupiter MOID = 1.72703 au 
 T_jup = 3.145 
[ 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 15.2   n/a MPO334170  
diameter diameter 7.173 km 1.302 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.034   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

193897 (2001 QF230)          Discovered 2001-Aug-24 by LONEOS at Anderson Mesa
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

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