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305917 (2009 FK61)
Classification: Main-belt Asteroid          SPK-ID: 2305917
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01561103133558897 4.5793e-07  
a 2.923614819721319 4.6805e-08 au
q 2.877974177157457 1.3232e-06 au
i 1.564087633679672 4.9789e-05 deg
node 3.628386052274369 0.0002766 deg
peri 170.0984607459983 0.00053135 deg
M 97.88362737893648 0.00045283 deg
tp 2458504.037770617010
(2019-Jan-20.53777062)
0.0022938 TDB
period 1825.907022080145
5.00
4.3848e-05
1.2e-07
d
yr
n .1971622846325843 4.7347e-09 deg/d
Q 2.969255462285181 4.7536e-08 au
  Orbit Determination Parameters
   # obs. used (total)      69  
   data-arc span      5496 days (15.05 yr)  
   first obs. used      2004-03-19  
   last obs. used      2019-04-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66001  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:14:09  

Additional Information
 Earth MOID = 1.88037 au 
 Jupiter MOID = 1.98997 au 
 T_jup = 3.278 
[ 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 17.1   n/a MPO471211  

305917 (2009 FK61)          Discovered 2009-Mar-21 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ 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
1952-Jan-05 03:36 00:04 Jupiter 1.98957466001895 1.98957056207179 1.98957875796215 3.49482087940727 3.37080288338665 2434016.650171285 4.17285096842107 206.689257037371 150.159344062361 -82.3378241634608 335007.013456576 T 6 CATAB v2.0e-lin.ifort 2019-Jul-14 12:14:11 2019-Jul-14 12:14
2046-Oct-24 01:22 00:02 Jupiter 1.99079667316422 1.99079252597512 1.9908008203497 3.49121387420257 3.36714063683302 2468642.557199679 2.20426232475541 173.464646111279 111.079743915801 -37.9255462590996 347666.475395289 T 6 CATAB v2.0e-lin.ifort 2019-Jul-14 12:14:11 2019-Jul-14 12:14
2141-Aug-15 00:40 00:09 Jupiter 1.98546128226252 1.98545709541245 1.98546546910933 3.47409017485374 3.34904130000083 2503270.527713540 8.49657635517269 423.436667996279 150.908792268313 -85.8489096082846 328917.484975722 T 6 CATAB v2.0e-lin.ifort 2019-Jul-14 12:14:11 2019-Jul-14 12:14

Alternate Designations
 2009 FK61 = 2004 FX98 = 2006 RC71 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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