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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 ]

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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 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 
[ 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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