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 ]  
39895 (1998 FK15)
Classification: Main-belt Asteroid          SPK-ID: 2039895
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 .1561123312374128 4.9861e-08  
a 2.394244758378289 8.5698e-09 au
q 2.020473627594898 1.2314e-07 au
i 5.707990528284831 5.1165e-06 deg
node 170.9620305331698 3.2753e-05 deg
peri 15.50300743246062 3.458e-05 deg
M 354.4789308520449 1.1793e-05 deg
tp 2459021.252572057910
(2020-Jun-20.75257206)
4.4366e-05 TDB
period 1353.166522758518
3.70
7.2652e-06
1.989e-08
d
yr
n .2660426443791385 1.4284e-09 deg/d
Q 2.76801588916168 9.9077e-09 au
  Orbit Determination Parameters
   # obs. used (total)      940  
   data-arc span      8076 days (22.11 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55036  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:46:58  

Additional Information
 Earth MOID = 1.02282 au 
 Jupiter MOID = 2.18782 au 
 T_jup = 3.507 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457017.5 (2014-Dec-26.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1565470892566384 4.9854e-08  
q 2.019458182395477 1.2314e-07 au
tp 2457668.419461571630
(2016-Oct-06.91946157)
4.2259e-05 TDB
node 170.9780742672994 3.2747e-05 deg
peri 15.60250199783847 3.457e-05 deg
i 5.708225789221647 5.1176e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      940  
   data-arc span      8076 days (22.11 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55036  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:46:58  

Additional Information
 Jupiter MOID = 2.18782 au 
 T_jup = 3.507 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.485390234122919E-15 -6.131076019018782E-15 -6.891699550446928E-13 -8.352322855583551E-15 -1.24191819497564E-13 -6.65243623586727E-15
q -6.131076019018782E-15 1.516350432401445E-14 1.711666401819524E-12 1.974349598039077E-14 3.040505367188254E-13 1.659987734340023E-14
tp -6.891699550446928E-13 1.711666401819524E-12 1.785784500589061E-9 1.153316070720088E-11 4.706160839962988E-10 1.761358824985166E-12
node -8.352322855583551E-15 1.974349598039077E-14 1.153316070720088E-11 1.072336256076166E-9 -1.063526462977759E-9 -5.622681338098355E-12
peri -1.24191819497564E-13 3.040505367188254E-13 4.706160839962988E-10 -1.063526462977759E-9 1.195109275315625E-9 5.968839970003456E-12
i -6.65243623586727E-15 1.659987734340023E-14 1.761358824985166E-12 -5.622681338098355E-12 5.968839970003456E-12 2.619015218780515E-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 15.4   n/a MPO412462  

39895 (1998 FK15)          Discovered 1998-Mar-28 by Farra d'Isonzo at Farra d'Isonzo
Reference: 20020526/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-Oct-26 11:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin