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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
48101 (2001 FB61)
Classification: Main-belt Asteroid          SPK-ID: 2048101
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .157896496221833 4.476e-08  
a 2.401701455208138 1.1105e-08 au
q 2.022481210459895 1.0724e-07 au
i 2.754230073616789 4.5394e-06 deg
node 142.2185483928868 9.0768e-05 deg
peri 77.54809481423924 9.165e-05 deg
M 25.87204855383178 1.3011e-05 deg
tp 2458902.797590215774
(2020-Feb-23.29759022)
4.8983e-05 TDB
period 1359.492946572718
3.72
9.4289e-06
2.581e-08
d
yr
n .2648046103567953 1.8366e-09 deg/d
Q 2.780921699956381 1.2858e-08 au
  Orbit Determination Parameters
   # obs. used (total)      584  
   data-arc span      7574 days (20.74 yr)  
   first obs. used      1997-01-02  
   last obs. used      2017-09-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56965  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Oct-09 16:15:47  

Additional Information
 Earth MOID = 1.0168 au 
 Jupiter MOID = 2.1927 au 
 T_jup = 3.507 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456508.5 (2013-Aug-04.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1582673119827325 4.4605e-08  
q 2.021313765528574 1.0697e-07 au
tp 2456184.334852912172
(2012-Sep-13.83485291)
4.8272e-05 TDB
node 142.2370313825924 9.0796e-05 deg
peri 77.55454417297932 9.1679e-05 deg
i 2.753557034034841 4.5388e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      584  
   data-arc span      7574 days (20.74 yr)  
   first obs. used      1997-01-02  
   last obs. used      2017-09-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56965  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Oct-09 16:15:47  

Additional Information
 Jupiter MOID = 2.1927 au 
 T_jup = 3.507 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.98961686267219E-15 -4.753043813099531E-15 -8.795388678498681E-13 9.257928649371889E-15 -2.122029308464261E-13 -1.021448966075945E-15
q -4.753043813099531E-15 1.144341611874107E-14 2.036965448513061E-12 -2.167588782731423E-14 4.950100616926594E-13 2.547550370089546E-15
tp -8.795388678498681E-13 2.036965448513061E-12 2.330208440622768E-9 3.895611857556043E-13 6.315418255295675E-10 1.048852022437215E-12
node 9.257928649371889E-15 -2.167588782731423E-14 3.895611857556043E-13 8.243989265584038E-9 -8.233846676919929E-9 1.668670614796982E-10
peri -2.122029308464261E-13 4.950100616926594E-13 6.315418255295675E-10 -8.233846676919929E-9 8.405009300844521E-9 -1.663835990238687E-10
i -1.021448966075945E-15 2.547550370089546E-15 1.048852022437215E-12 1.668670614796982E-10 -1.663835990238687E-10 2.06004618033502E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO422012  

48101 (2001 FB61)          Discovered 2001-Mar-19 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 FB61 = 1998 QS27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-22 02:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin