Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456504.5 (2013-Jul-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2161974690095929 4.6504e-08  
q 2.095834585630244 1.2673e-07 au
tp 2456588.131475605736
(2013-Oct-22.63147561)
4.1668e-05 TDB
node 174.6219893040785 2.9053e-05 deg
peri 327.6053295143481 3.0791e-05 deg
i 8.75363571903476 5.1788e-06 deg
  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
 Jupiter MOID = 1.79048 au 
 T_jup = 3.330 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.16258450383594E-15 -5.875560425667216E-15 2.279392441597201E-13 -7.094837867738633E-15 7.393501479184657E-14 -4.074224445721884E-15
q -5.875560425667216E-15 1.606121278020031E-14 -6.954405358612075E-13 2.018579696827888E-14 -2.198534552279838E-13 1.118179749698933E-14
tp 2.279392441597201E-13 -6.954405358612075E-13 1.736239848206181E-9 2.315542425888236E-12 4.433000012881352E-10 -1.023988236674788E-12
node -7.094837867738633E-15 2.018579696827888E-14 2.315542425888236E-12 8.440643852721805E-10 -8.329903626346792E-10 -2.429571776915065E-11
peri 7.393501479184657E-14 -2.198534552279838E-13 4.433000012881352E-10 -8.329903626346792E-10 9.480602859217446E-10 2.374673065689814E-11
i -4.074224445721884E-15 1.118179749698933E-14 -1.023988236674788E-12 -2.429571776915065E-11 2.374673065689814E-11 2.681974993111458E-11

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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-11 11:20 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin