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24231 (1999 XN91)
Classification: Main-belt Asteroid          SPK-ID: 2024231
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04894006868621342 3.5403e-08  
a 3.02604994954565 1.6204e-08 au
q 2.877954857166973 1.0442e-07 au
i 2.33194595913485 3.6847e-06 deg
node 155.0289850007912 9.3182e-05 deg
peri 134.9366776555807 0.00010223 deg
M 211.9752597984142 4.4178e-05 deg
tp 2460187.077358390441
(2023-Aug-30.57735839)
0.00023776 TDB
period 1922.704600818545
5.26
1.5444e-05
4.228e-08
d
yr
n .1872362503562631 1.5039e-09 deg/d
Q 3.174145041924326 1.6997e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1770  
   data-arc span      10928 days (29.92 yr)  
   first obs. used      1991-06-07  
   last obs. used      2021-05-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51261  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 18:58:14  

Additional Information
 Earth MOID = 1.86196 au 
 Jupiter MOID = 1.90563 au 
 T_jup = 3.242 
[ 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 14.03   n/a MPCxxxxx  

24231 (1999 XN91)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

[ 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
1941-Mar-27 10:20 00:02 Jupiter 1.91048221618593 1.91048189642545 1.91048253594653 3.19765413690232 3.0558601538303 2430080.930262731 1.79325266631115 68.4311666444349 10.5258873191509 85.2103698201633 4292490.60485577 T 38 CATAB v2.0g-lin.ifort 2021-Jul-08 18:58:20 2021-Jul-08 18:58
1988-Jul-04 04:05 < 00:01 Jupiter 1.91378102874046 1.91378071320975 1.91378134427118 3.25561786301582 3.11670746250002 2447346.670479289 0.662510184045168 40.973703905313 10.908316861624 87.0846129881961 4277192.55455448 T 38 CATAB v2.0g-lin.ifort 2021-Jul-08 18:58:20 2021-Jul-08 18:58
2035-Oct-13 05:26 < 00:01 Jupiter 1.92180497689994 1.92180465542613 1.92180529837376 3.32741582764987 3.19221077825411 2464613.726475598 0.499890294910627 37.2922840643115 11.4816391792428 89.3608587550751 4273165.82327166 T 38 CATAB v2.0g-lin.ifort 2021-Jul-08 18:58:20 2021-Jul-08 18:58
2083-Jan-20 10:12 00:02 Jupiter 1.92885904553272 1.92885869885188 1.92885939221356 3.40164896624473 3.27000809689758 2481879.925037728 1.61545277370808 77.5033268222185 12.0604008269164 -87.8368450600769 4222936.36668403 T 38 CATAB v2.0g-lin.ifort 2021-Jul-08 18:58:20 2021-Jul-08 18:58
2130-Apr-30 12:46 00:03 Jupiter 1.93732938664927 1.93732895094391 1.93732982235596 3.4824980317993 3.35460425731271 2499146.031873891 2.73422205640367 132.393734166243 12.6304552454757 -86.033002317923 4193254.0164009 T 38 CATAB v2.0g-lin.ifort 2021-Jul-08 18:58:20 2021-Jul-08 18:58
2177-Aug-07 22:38 00:04 Jupiter 1.9559994757583 1.95599885557532 1.95600009594629 3.59069144401294 3.46799490004454 2516412.443155645 3.84009194244894 192.837331886374 13.2503991280759 -84.3371533223624 4198475.18626387 T 38 CATAB v2.0g-lin.ifort 2021-Jul-08 18:58:20 2021-Jul-08 18:58

Alternate Designations
 1999 XN91 = 1996 FP20 = 1998 VV12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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