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 ]  
461682 (2005 MF4)
Classification: Outer Main-belt Asteroid          SPK-ID: 2461682
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2552300496864603 6.7356e-08  
a 3.217090017393157 4.1176e-08 au
q 2.395991972408086 2.1753e-07 au
i 12.95562538270312 1.002e-05 deg
node 185.7971655299509 3.0024e-05 deg
peri 100.0589090375421 3.9901e-05 deg
M 197.154294316126 2.5033e-05 deg
tp 2459953.882237275937
(2023-Jan-09.38223728)
0.00015716 TDB
period 2107.624539302327
5.77
4.0463e-05
1.108e-07
d
yr
n .1708084116913767 3.2793e-09 deg/d
Q 4.038188062378228 5.1685e-08 au
  Orbit Determination Parameters
   # obs. used (total)      83  
   data-arc span      4897 days (13.41 yr)  
   first obs. used      2005-06-16  
   last obs. used      2018-11-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6406  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:58:55  

Additional Information
 Earth MOID = 1.42221 au 
 Jupiter MOID = 1.5123 au 
 T_jup = 3.099 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457041.5 (2015-Jan-19.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2565003433226256 6.6897e-08  
q 2.396469743680163 2.1485e-07 au
tp 2457841.464711283492
(2017-Mar-28.96471128)
0.00013459 TDB
node 186.0494476415596 3.0224e-05 deg
peri 98.99591143779703 3.9557e-05 deg
i 12.89143632662832 9.9993e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      83  
   data-arc span      4897 days (13.41 yr)  
   first obs. used      2005-06-16  
   last obs. used      2018-11-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6406  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:58:55  

Additional Information
 Jupiter MOID = 1.5123 au 
 T_jup = 3.099 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.475271343050307E-15 -1.420735941977778E-14 2.522462384507501E-12 1.248856862794615E-14 6.775952156832014E-13 -1.214742645910002E-14
q -1.420735941977778E-14 4.615864567915554E-14 -5.671832234881615E-12 -4.319157133140165E-14 -1.821681339427621E-12 -1.436114062831269E-15
tp 2.522462384507501E-12 -5.671832234881615E-12 1.811468827910695E-8 6.06618561833969E-11 3.408886354546744E-9 -3.638609434230653E-11
node 1.248856862794615E-14 -4.319157133140165E-14 6.06618561833969E-11 9.135144066427114E-10 -8.791761260441912E-10 -1.018641462081445E-11
peri 6.775952156832014E-13 -1.821681339427621E-12 3.408886354546744E-9 -8.791761260441912E-10 1.56474271850673E-9 4.709526745105444E-12
i -1.214742645910002E-14 -1.436114062831269E-15 -3.638609434230653E-11 -1.018641462081445E-11 4.709526745105444E-12 9.998628842145164E-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 16.5   n/a MPO428090  

461682 (2005 MF4)          Discovered 2005-Jun-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-03-24

[ 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-Oct-20 14:21 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin