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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456995.5 (2014-Dec-04.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2366744739938201 7.1104e-08  
q 2.414717383802461 2.2704e-07 au
tp 2456382.896920691955
(2013-Mar-31.39692069)
8.1297e-05 TDB
node 290.7521226243601 5.1275e-05 deg
peri 82.55017478222226 5.4435e-05 deg
i 8.389034556613559 6.4316e-06 deg
  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
 Jupiter MOID = 1.72703 au 
 T_jup = 3.145 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.055821107539295E-15 -1.609002896164759E-14 -2.379542834737614E-12 3.013364245508953E-14 -6.461973122013944E-13 -2.232407565453091E-14
q -1.609002896164759E-14 5.154547155340623E-14 7.04500341539066E-12 -8.5308427501517E-14 1.958302483318162E-12 7.440006361212424E-14
tp -2.379542834737614E-12 7.04500341539066E-12 6.609241623392527E-9 -4.755621405742024E-11 1.550932092596029E-9 3.49457091349182E-12
node 3.013364245508953E-14 -8.5308427501517E-14 -4.755621405742024E-11 2.629087102737424E-9 -2.612944427532141E-9 1.315009999794274E-10
peri -6.461973122013944E-13 1.958302483318162E-12 1.550932092596029E-9 -2.612944427532141E-9 2.963144846772283E-9 -1.28309428415118E-10
i -2.232407565453091E-14 7.440006361212424E-14 3.49457091349182E-12 1.315009999794274E-10 -1.28309428415118E-10 4.136595465769104E-11

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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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