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173239 (1999 FJ61)
Classification: Main-belt Asteroid          SPK-ID: 2173239
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .157565307824637 4.4199e-08  
a 2.804640370611545 1.8595e-08 au
q 2.362726347278733 1.2428e-07 au
i 7.247577171571056 5.3828e-06 deg
node 348.4589263006566 2.9577e-05 deg
peri 216.1166403776822 3.2773e-05 deg
M 207.9417532505156 1.595e-05 deg
tp 2459925.138953965815
(2022-Dec-11.63895397)
7.9802e-05 TDB
period 1715.592735048931
4.70
1.7062e-05
4.671e-08
d
yr
n .2098400119360101 2.0869e-09 deg/d
Q 3.246554393944358 2.1525e-08 au
  Orbit Determination Parameters
   # obs. used (total)      430  
   data-arc span      7960 days (21.79 yr)  
   first obs. used      1999-03-22  
   last obs. used      2021-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52957  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:28:40  

Additional Information
 Earth MOID = 1.36341 au 
 Jupiter MOID = 1.74457 au 
 T_jup = 3.294 
[ 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 15.83   n/a E2021B55  

173239 (1999 FJ61)          Discovered 1999-Mar-22 by LONEOS at Anderson Mesa
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ 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
1917-Aug-19 02:49 00:04 Jupiter 1.98597928288695 1.98597700260208 1.98598156317024 2.25297785621141 2.05497125340448 2421459.617503812 3.83238667670292 97.3741371251955 15.497707313919 -63.2955068429057 1198583.74972042 T 18 CATAB v2.0f-lin.ifort 2021-Feb-24 11:28:41 2021-Feb-24 11:28
1940-Nov-13 22:14 00:03 Jupiter 1.84712872197211 1.84712735669714 1.84713008724982 1.99096792641195 1.74551707315139 2429947.426230431 2.78463850976883 150.378961358583 32.5499275834366 -68.4982737800422 2180584.68327184 T 18 CATAB v2.0f-lin.ifort 2021-Feb-24 11:28:41 2021-Feb-24 11:28
1964-Mar-04 11:48 00:02 Jupiter 1.77150568709308 1.77150502675364 1.77150634743302 2.07345204177772 1.82836792123812 2438458.991939423 1.7672919914898 123.337050536922 54.7098379931698 -86.9610595980405 1899259.44996541 T 18 CATAB v2.0f-lin.ifort 2021-Feb-24 11:28:41 2021-Feb-24 11:28
1987-Jul-05 15:30 < 00:01 Jupiter 1.7427036270535 1.7427032076169 1.74270404649248 2.27327114544794 2.04833664868574 2446982.145760797 0.909793633559419 197.705683064592 30.1309105417772 87.5144258604073 2204914.17972754 T 18 CATAB v2.0f-lin.ifort 2021-Feb-24 11:28:41 2021-Feb-24 11:28
2010-Nov-08 02:58 < 00:01 Jupiter 1.7613708013068 1.76137036800651 1.76137123460739 2.51449697955393 2.31536575242222 2455508.623934173 0.221174341916925 201.636456396084 17.9514439298888 86.0736138667578 2764498.34173808 T 18 CATAB v2.0f-lin.ifort 2021-Feb-24 11:28:41 2021-Feb-24 11:28
2034-Mar-02 04:12 < 00:01 Jupiter 1.84339803623838 1.84339752704891 1.84339854542775 2.83957767971227 2.67286772681129 2464023.675234148 0.574551360357486 167.4535392277 17.0811762021179 85.8963468693609 2499191.21309837 T 18 CATAB v2.0f-lin.ifort 2021-Feb-24 11:28:41 2021-Feb-24 11:28
2057-Jun-05 01:21 00:01 Jupiter 1.98705204676044 1.98705117185318 1.9870529216677 3.2867031250553 3.15434233722706 2472519.556301179 1.24070327231999 99.361793634888 33.0744119297177 80.6503074280934 1977471.96232413 T 18 CATAB v2.0f-lin.ifort 2021-Feb-24 11:28:41 2021-Feb-24 11:28
2143-Feb-18 13:31 00:03 Jupiter 1.98245085890249 1.98244913731849 1.98245258048481 2.17197396034561 1.9654389630847 2503823.062922872 3.2389297168598 61.836011766443 12.445481360481 -72.557376727861 951150.280778124 T 18 CATAB v2.0f-lin.ifort 2021-Feb-24 11:28:41 2021-Feb-24 11:28
2166-May-16 13:54 00:04 Jupiter 1.8540406919056 1.8540392465101 1.85404213730427 1.85634230967025 1.59132096952053 2512311.079199792 3.53571515673092 160.296235493512 37.0702874906262 -72.3326921372593 2235778.05424713 T 18 CATAB v2.0f-lin.ifort 2021-Feb-24 11:28:41 2021-Feb-24 11:28
2189-Sep-02 11:29 00:04 Jupiter 1.77332408213345 1.77332311042912 1.7733250538385 1.90319654183462 1.63305344112536 2520820.978732611 3.87811856316294 125.280019957977 107.458922759079 49.3960242777754 1569906.17508003 T 18 CATAB v2.0f-lin.ifort 2021-Feb-24 11:28:41 2021-Feb-24 11:28

Alternate Designations
 1999 FJ61 = 2003 AL85 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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