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JPL Small-Body Database Browser
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91165 (1998 QF84)
Classification: Main-belt Asteroid          SPK-ID: 2091165
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 .1426246801227538 8.4227e-08  
a 3.137484501130997 3.7505e-08 au
q 2.690001777767091 2.6524e-07 au
i 14.14199539156662 7.6443e-06 deg
node 299.5190316136787 3.1444e-05 deg
peri 1.645669020490394 4.6351e-05 deg
M 1.602497351439149 4.013e-05 deg
tp 2458991.464220377413
(2020-May-21.96422038)
0.0002262 TDB
period 2029.882084491435
5.56
3.6398e-05
9.965e-08
d
yr
n .1773502031228548 3.1801e-09 deg/d
Q 3.584967224494903 4.2855e-08 au
  Orbit Determination Parameters
   # obs. used (total)      576  
   data-arc span      7567 days (20.72 yr)  
   first obs. used      1998-08-19  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59781  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:03:34  

Additional Information
 Earth MOID = 1.67449 au 
 Jupiter MOID = 1.66066 au 
 T_jup = 3.149 
[ 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 14.0   n/a MPO351484  

91165 (1998 QF84)          Discovered 1998-Aug-24 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
1967-Sep-20 09:16 00:03 Jupiter 1.88529459083285 1.88529255584921 1.8852966258225 4.11125111630273 4.00047853884506 2439753.886213306 2.50502723863007 409.078599777498 89.6702685802459 -83.3492599899435 1625991.88589671 T 13 CATAB v2.0e-lin.ifort 2019-May-30 06:03:37 2019-May-30 06:03
1978-Apr-18 15:33 00:02 Jupiter 1.69408146692655 1.69408071915326 1.6940822147089 4.00055965968417 3.87356413372807 2443617.147817899 1.85959427357323 340.530110675964 25.4658833891897 -85.8255064822509 2066716.04893906 T 13 CATAB v2.0e-lin.ifort 2019-May-30 06:03:37 2019-May-30 06:03
2062-Mar-20 05:02 00:02 Jupiter 1.76328061062093 1.76327935902833 1.76328186221363 4.12803863166651 4.00998356006611 2474268.709922349 2.45636063894076 355.675017478686 61.7679248952829 89.4283977621686 1902604.38711561 T 13 CATAB v2.0e-lin.ifort 2019-May-30 06:03:37 2019-May-30 06:03
2072-Oct-13 00:33 00:03 Jupiter 1.75698332776657 1.75698180786877 1.75698484770562 3.86297003115972 3.73608876452223 2478128.523260183 3.31172257562277 471.076933082693 23.220145005319 -80.7129990772555 2141877.0541384 T 13 CATAB v2.0e-lin.ifort 2019-May-30 06:03:37 2019-May-30 06:03
2156-Sep-24 05:59 00:07 Jupiter 1.69770589605727 1.69770444688215 1.69770734536421 4.133674047971 4.0111616141073 2508789.749036356 7.23825151230466 979.061897739548 44.5129041686735 86.7414360127871 2026318.05071717 T 13 CATAB v2.0e-lin.ifort 2019-May-30 06:03:37 2019-May-30 06:03
2167-Apr-01 21:27 00:09 Jupiter 1.87211284575626 1.87210794596939 1.87211774568137 3.68060021042395 3.55554972836664 2512631.393782226 9.22264204079301 859.098128490165 27.9461422093205 -72.1286870980257 2275353.12947234 T 13 CATAB v2.0e-lin.ifort 2019-May-30 06:03:37 2019-May-30 06:03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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