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 ]  
120247 (2004 FR139)
Classification: Main-belt Asteroid          SPK-ID: 2120247
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1746265382393883 3.1757e-08  
a 2.324930339819084 1.012e-08 au
q 1.918935802928752 7.3031e-08 au
i 2.288114187513849 4.6748e-06 deg
node 173.0351448812284 9.1259e-05 deg
peri 71.63486996572132 9.2642e-05 deg
M 175.0423174731344 1.5169e-05 deg
tp 2458370.915687456993
(2018-Sep-09.41568746)
5.3007e-05 TDB
period 1294.831762897957
3.55
8.4539e-06
2.315e-08
d
yr
n .2780283974454609 1.8152e-09 deg/d
Q 2.730924876709415 1.1887e-08 au
  Orbit Determination Parameters
   # obs. used (total)      494  
   data-arc span      8217 days (22.50 yr)  
   first obs. used      1997-05-03  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54891  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 11:13:36  

Additional Information
 Earth MOID = .907258 au 
 Jupiter MOID = 2.28884 au 
 T_jup = 3.553 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457139.5 (2015-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1743810823824369 3.1728e-08  
q 1.919480173125107 7.2944e-08 au
tp 2457076.507064716351
(2015-Feb-23.00706472)
5.0931e-05 TDB
node 173.0523331481514 9.1226e-05 deg
peri 71.70927126248988 9.2616e-05 deg
i 2.288147596656318 4.676e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      494  
   data-arc span      8217 days (22.50 yr)  
   first obs. used      1997-05-03  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54891  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 11:13:36  

Additional Information
 Jupiter MOID = 2.28884 au 
 T_jup = 3.553 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.006684061789364E-15 -2.299472897909647E-15 -6.329899900697699E-14 -4.834483659132465E-15 -4.539000643744696E-14 -4.276067416610967E-16
q -2.299472897909647E-15 5.320890864735409E-15 2.253894446221452E-13 1.059978827519976E-14 1.283923502201091E-13 9.472140471327524E-16
tp -6.329899900697699E-14 2.253894446221452E-13 2.594011240202768E-9 -2.607782331670228E-11 8.230251411488404E-10 -1.888574732610557E-12
node -4.834483659132465E-15 1.059978827519976E-14 -2.607782331670228E-11 8.322202631824978E-9 -8.322891494524651E-9 -6.820278290664621E-11
peri -4.539000643744696E-14 1.283923502201091E-13 8.230251411488404E-10 -8.322891494524651E-9 8.577783918004635E-9 6.758865002713431E-11
i -4.276067416610967E-16 9.472140471327524E-16 -1.888574732610557E-12 -6.820278290664621E-11 6.758865002713431E-11 2.186522739210576E-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 16.7   n/a MPO449699  

120247 (2004 FR139)          Discovered 2004-Mar-25 by LONEOS at Anderson Mesa
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2004 FR139 = 1997 JM17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-25 08:54 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin