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46161 (2001 FK78)
Classification: Main-belt Asteroid          SPK-ID: 2046161
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2176764896086709 4.6671e-08  
a 2.672424782558573 1.3196e-08 au
q 2.090700737148007 1.2743e-07 au
i 8.760942119614981 5.184e-06 deg
node 174.4072716209621 2.9027e-05 deg
peri 328.1106753912371 3.0704e-05 deg
M 183.3305400388247 9.218e-06 deg
tp 2459783.597149919789
(2022-Jul-23.09714992)
4.2392e-05 TDB
period 1595.719905597024
4.37
1.1819e-05
3.236e-08
d
yr
n .2256035026806971 1.671e-09 deg/d
Q 3.254148827969139 1.6068e-08 au
  Orbit Determination Parameters
   # obs. used (total)      801  
   data-arc span      10068 days (27.56 yr)  
   first obs. used      1990-10-23  
   last obs. used      2018-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5807  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:36:29  

Additional Information
 Earth MOID = 1.10838 au 
 Jupiter MOID = 1.79048 au 
 T_jup = 3.330 
[ 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 15.1   n/a MPO302326  

46161 (2001 FK78)          Discovered 2001-Mar-19 by LINEAR at Socorro
Reference: 20020822/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
1950-Sep-09 07:07 00:01 Jupiter 1.78771290787067 1.78771248736235 1.78771332837899 2.1907334464521 1.96257697982031 2433533.796319773 1.31185053464276 142.974481989331 43.1610255249313 -84.4384763126243 1641343.68186647 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 02:36:33 2019-Jul-13 02:36
1999-Mar-22 06:03 < 00:01 Jupiter 1.96501437456787 1.96501392881273 1.96501482032313 2.99699467884715 2.84953925762282 2451259.752064738 0.350860515045013 52.7922109354654 17.0477570455744 80.6635827697982 2529148.12407395 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 02:36:33 2019-Jul-13 02:36
2033-Aug-26 10:45 < 00:01 Jupiter 1.79252775449121 1.79252736078442 1.79252814819811 2.17464211886022 1.94525295048418 2463835.947742936 0.476895390896614 95.2275568618378 41.5369192098455 86.9079966238889 1626984.73725363 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 02:36:33 2019-Jul-13 02:36
2082-Mar-07 10:13 00:01 Jupiter 1.9300960674843 1.93009503581372 1.93009709915785 2.88809296287493 2.73191894294248 2481560.925945442 1.47946442006647 144.576211066838 18.3416575321794 75.9500679442919 2390270.72331311 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 02:36:33 2019-Jul-13 02:36
2116-Aug-12 04:14 00:02 Jupiter 1.80335870818243 1.80335809874133 1.80335931762701 2.16136654370223 1.93187009109181 2494136.676574324 2.17732131619658 218.807122995603 49.1461286623062 -78.1843293886377 1609627.98735662 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 02:36:33 2019-Jul-13 02:36
2165-Feb-21 09:28 00:03 Jupiter 1.89935713027239 1.8993552800584 1.89935898050388 2.79734929313109 2.63310817124535 2511861.894378544 3.21614743956916 317.849298076124 18.7524018103954 77.8759542975136 2314047.66476281 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 02:36:33 2019-Jul-13 02:36
2199-Jul-31 04:02 00:04 Jupiter 1.80640322898174 1.80640199078033 1.80640446720061 2.14921706074241 1.91868025683628 2524439.668100195 3.93023712089488 341.381196139011 53.9019704605919 -73.3353555720271 1608914.38907106 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 02:36:33 2019-Jul-13 02:36
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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