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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2419209701702769 6.4387e-08  
a 3.152747835035091 2.1884e-08 au
q 2.390032020081161 2.0479e-07 au
i 8.377441935731296 6.2359e-06 deg
node 290.4466725642916 3.9798e-05 deg
peri 82.78126697968256 4.3582e-05 deg
M 100.0704384010378 1.3474e-05 deg
tp 2458432.124194483735
(2018-Nov-09.62419448)
7.5061e-05 TDB
period 2044.712636971256
5.60
2.1289e-05
5.829e-08
d
yr
n .1760638602660824 1.8332e-09 deg/d
Q 3.91546364998902 2.7178e-08 au
  Orbit Determination Parameters
   # obs. used (total)      524  
   data-arc span      6738 days (18.45 yr)  
   first obs. used      2001-08-24  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50061  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:11:29  

Additional Information
 Earth MOID = 1.40834 au 
 Jupiter MOID = 1.72949 au 
 T_jup = 3.145 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457392.5 (2016-Jan-05.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2395931234638567 6.3763e-08  
q 2.400039535644897 2.0087e-07 au
tp 2456385.201544326828
(2013-Apr-02.70154433)
7.7313e-05 TDB
node 290.5738694825677 3.9789e-05 deg
peri 82.53726998595991 4.3729e-05 deg
i 8.372005070484082 6.2368e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      524  
   data-arc span      6738 days (18.45 yr)  
   first obs. used      2001-08-24  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50061  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:11:29  

Additional Information
 Jupiter MOID = 1.72949 au 
 T_jup = 3.145 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.065733504404448E-15 -1.276383706279543E-14 -2.823862868964864E-12 2.885210697385845E-14 -7.793149054801062E-13 -1.575273150595172E-14
q -1.276383706279543E-14 4.034674848112313E-14 8.64672015038895E-12 -9.824547848866725E-14 2.443884514638575E-12 5.362685755269038E-14
tp -2.823862868964864E-12 8.64672015038895E-12 5.977256514438338E-9 -2.830365444147796E-11 1.411254679312205E-9 5.802695753405641E-12
node 2.885210697385845E-14 -9.824547848866725E-14 -2.830365444147796E-11 1.583199439448394E-9 -1.574982649870398E-9 8.406291644560228E-11
peri -7.793149054801062E-13 2.443884514638575E-12 1.411254679312205E-9 -1.574982649870398E-9 1.912260571816597E-9 -8.026945423631293E-11
i -1.575273150595172E-14 5.362685755269038E-14 5.802695753405641E-12 8.406291644560228E-11 -8.026945423631293E-11 3.889712682951308E-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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