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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1314065754631201 8.0287e-08  
a 2.637344207333045 2.1819e-08 au
q 2.290779836729913 2.1958e-07 au
i 9.950669574758562 6.2963e-06 deg
node 265.6753489078673 3.2426e-05 deg
peri 253.1103986577415 4.044e-05 deg
M 330.8099652680983 2.6292e-05 deg
tp 2459127.347163334439
(2020-Oct-04.84716333)
0.00011477 TDB
period 1564.40303068537
4.28
1.9414e-05
5.315e-08
d
yr
n .2301197280615615 2.8558e-09 deg/d
Q 2.983908577936178 2.4687e-08 au
  Orbit Determination Parameters
   # obs. used (total)      399  
   data-arc span      6699 days (18.34 yr)  
   first obs. used      2001-09-25  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55276  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 19:36:03  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1931-Nov-26 07:26 00:07 Iris 0.0321826375840025 0.0321596412660512 0.032205667814061 5.50644670894484 5.5064466765049 2426671.809656315 6.85443536724216 2012.28444614691 100.60774233654 -55.3461601685519 39375.9108850681 T 13 CATAB v2.0f-lin.ifort 2020-Feb-24 19:36:05 2020-Feb-24 19:36
1958-Jan-06 19:06 00:01 Inter 0.0240119654740408 0.0239872360627467 0.0240366963773283 5.03996596316351 5.03996584219749 2436210.296131358 1.27469535384881 1268.38963811011 95.7768400098108 -13.6910908100613 9287.05194703825 T 13 CATAB v2.0f-lin.ifort 2020-Feb-24 19:36:05 2020-Feb-24 19:36
2022-Apr-10 13:23 < 00:01 Inter 0.0495951611322868 0.0495858555073955 0.0496044667660781 5.25941779742133 5.25941774129822 2459680.057322130 0.987916938801753 465.07888622255 96.4392354765202 4.30321646099179 16913.7677578849 T 13 CATAB v2.0f-lin.ifort 2020-Feb-24 19:36:05 2020-Feb-24 19:36
2065-Feb-23 10:32 00:02 Inter 0.03460298762208 0.0345768815353027 0.0346291023013653 5.0731596606283 5.07315957723588 2475339.939095111 1.8365971270588 1560.86643513819 95.7514151755985 33.5850928142881 30015.4263459151 T 13 CATAB v2.0f-lin.ifort 2020-Feb-24 19:36:05 2020-Feb-24 19:36
2129-Jun-01 22:16 00:02 Inter 0.0480966022676661 0.0480402446522781 0.0481529850252542 5.20107834812666 5.20107828960577 2498813.427982483 2.48132672049303 3301.90941928809 96.1854016664522 31.7021864348445 39332.2763358752 T 13 CATAB v2.0f-lin.ifort 2020-Feb-24 19:36:05 2020-Feb-24 19:36
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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