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97322 (1999 XQ231)
Classification: Main-belt Asteroid          SPK-ID: 2097322
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2373616846069712 3.5727e-08  
a 2.986174066933029 2.0231e-08 au
q 2.277370759876154 1.1426e-07 au
i 14.10398203150985 5.8511e-06 deg
node 70.83059453291288 1.9592e-05 deg
peri 38.36448897853333 2.7225e-05 deg
M 349.5572615954228 1.8136e-05 deg
tp 2459055.174271407477
(2020-Jul-24.67427141)
9.5304e-05 TDB
period 1884.825315365989
5.16
1.9154e-05
5.244e-08
d
yr
n .190999132420978 1.941e-09 deg/d
Q 3.694977373989903 2.5033e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1061  
   data-arc span      7364 days (20.16 yr)  
   first obs. used      1999-12-08  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48366  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 00:15:08  

Additional Information
 Earth MOID = 1.31135 au 
 Jupiter MOID = 1.60851 au 
 T_jup = 3.170 
[ 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 14.3   n/a MPO453421  
diameter diameter 4.836 km 0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.173   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97322 (1999 XQ231)          Discovered 1999-Dec-08 by CSS at Catalina
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

[ show close-approach data ]
Alternate Designations
 1999 XQ231 = 2001 KL68 = 2001 KU54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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