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183398 (2002 XS91)
Classification: Main-belt Asteroid          SPK-ID: 2183398
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1314065761111562 8.0235e-08  
a 2.637344206525281 2.176e-08 au
q 2.290779834319199 2.1948e-07 au
i 9.950669682796429 6.2942e-06 deg
node 265.6753473151647 3.2208e-05 deg
peri 253.1103993855048 4.0272e-05 deg
M 330.8099664683355 2.6255e-05 deg
tp 2459127.347158060456
(2020-Oct-04.84715806)
0.0001146 TDB
period 1564.403029966653
4.28
1.9361e-05
5.301e-08
d
yr
n .230119728167283 2.8479e-09 deg/d
Q 2.983908578731362 2.4619e-08 au
  Orbit Determination Parameters
   # obs. used (total)      407  
   data-arc span      6773 days (18.54 yr)  
   first obs. used      2001-09-25  
   last obs. used      2020-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55322  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:35:47  

Additional Information
 Earth MOID = 1.32399 au 
 Jupiter MOID = 2.13079 au 
 T_jup = 3.363 
[ 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 15.6   n/a MPO417991  

183398 (2002 XS91)          Discovered 2002-Dec-04 by Buie, M. W. at Kitt Peak
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

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