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 ]  
48145 (2001 FJ157)
Classification: Main-belt Asteroid          SPK-ID: 2048145
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1619057434649661 3.7537e-08  
a 2.443745467894998 1.5618e-08 au
q 2.048089041076317 9.0884e-08 au
i 7.002182285828607 4.662e-06 deg
node 83.91276991741603 3.6389e-05 deg
peri 232.9736807537044 4.1376e-05 deg
M 140.3800880040699 2.5115e-05 deg
tp 2458056.391650411525
(2017-Oct-29.89165041)
9.3718e-05 TDB
period 1395.347507163352
3.82
1.3377e-05
3.662e-08
d
yr
n .2580002459257307 2.4733e-09 deg/d
Q 2.83940189471368 1.8147e-08 au
  Orbit Determination Parameters
   # obs. used (total)      792  
   data-arc span      8982 days (24.59 yr)  
   first obs. used      1994-06-08  
   last obs. used      2019-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57641  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:45:16  

Additional Information
 Earth MOID = 1.04243 au 
 Jupiter MOID = 2.44452 au 
 T_jup = 3.472 
[ 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 15.4   n/a MPO319659  
diameter diameter 1.903 km 0.318 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.337   0.172 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48145 (2001 FJ157)          Discovered 2001-Mar-27 by LONEOS at Anderson Mesa
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 FJ157 = 1994 LE9 = 1997 EW27 = 1998 MK29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin