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91298 (1999 FQ31)
Classification: Main-belt Asteroid          SPK-ID: 2091298
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2177799915184992 5.9796e-08  
a 2.650586026687734 2.2326e-08 au
q 2.073341424276627 1.6883e-07 au
i 11.84272361239946 5.0719e-06 deg
node 20.26857984625732 2.4508e-05 deg
peri 208.8545158547534 2.9048e-05 deg
M 306.2519312378136 2.0864e-05 deg
tp 2459235.826939334921
(2021-Jan-21.32693934)
9.359e-05 TDB
period 1576.199854461999
4.32
1.9915e-05
5.452e-08
d
yr
n .2283974325850183 2.8858e-09 deg/d
Q 3.227830629098842 2.7189e-08 au
  Orbit Determination Parameters
   # obs. used (total)      393  
   data-arc span      7753 days (21.23 yr)  
   first obs. used      1999-03-19  
   last obs. used      2020-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58976  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:40:23  

Additional Information
 Earth MOID = 1.07269 au 
 Jupiter MOID = 1.7939 au 
 T_jup = 3.327 
[ 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 15.7   n/a MPO422268  

91298 (1999 FQ31)          Discovered 1999-Mar-19 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ 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-Apr-30 00:19 00:03 Jupiter 1.88465679007911 1.88465525838448 1.88465832189415 2.5278515287312 2.34332500143006 2430114.513212193 2.74447544910784 833.470501600105 27.438344540116 -82.849281887833 2041468.63798506 T 16 CATAB v2.0f-lin.ifort 2020-Nov-12 20:40:25 2020-Nov-12 20:40
1988-Sep-29 20:57 00:01 Jupiter 1.87428403547427 1.87428336380459 1.87428470716248 2.52468049825514 2.33884069724124 2447434.373035623 1.01274856305672 428.838076715534 27.6231176856842 -84.9536197159406 1936152.45144522 T 16 CATAB v2.0f-lin.ifort 2020-Nov-12 20:40:25 2020-Nov-12 20:40
2036-Mar-06 04:17 < 00:01 Jupiter 1.87252737628643 1.87252664657245 1.87252810604394 2.5100907106709 2.32290155975459 2464758.678370696 0.788196119816955 572.797752152925 16.4156181048485 -86.2217898997202 1990358.48853274 T 16 CATAB v2.0f-lin.ifort 2020-Nov-12 20:40:25 2020-Nov-12 20:40
2083-Aug-14 01:34 00:03 Jupiter 1.86791664746383 1.86791520847772 1.86791808664871 2.48939592404501 2.30003809612224 2482085.564941909 2.49192120585794 1058.57295253885 20.1854357078575 -85.0328378875267 2007562.68058039 T 16 CATAB v2.0f-lin.ifort 2020-Nov-12 20:40:25 2020-Nov-12 20:40
2131-Jan-25 11:41 00:04 Jupiter 1.86265944062822 1.86265725855947 1.86266162317406 2.45860836893394 2.26611530791792 2499415.986675396 4.18140591189195 1593.10822696329 23.3210996834848 -84.5583739903569 1977913.64069688 T 16 CATAB v2.0f-lin.ifort 2020-Nov-12 20:40:25 2020-Nov-12 20:40
2178-Jul-11 23:22 00:06 Jupiter 1.86423520689777 1.86423233927544 1.86423807533119 2.420998749531 2.22542741236812 2516750.473303903 5.83549871375192 2060.71699902958 25.6698341600989 -84.123325517849 1935317.05044024 T 16 CATAB v2.0f-lin.ifort 2020-Nov-12 20:40:25 2020-Nov-12 20:40
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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