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 ]  
11702 Mifischer (1998 FE117)
Classification: Main-belt Asteroid          SPK-ID: 2011702
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1179069781269886 3.1354e-08  
a 2.312823755489354 7.2785e-09 au
q 2.040125695539291 7.3925e-08 au
i 4.059068103512427 3.7517e-06 deg
node 321.9511258158087 4.9238e-05 deg
peri 90.95260219680067 5.2079e-05 deg
M 298.8099007252715 1.7616e-05 deg
tp 2459418.868953602884
(2021-Jul-23.36895360)
6.3288e-05 TDB
period 1284.731095860559
3.52
6.0646e-06
1.66e-08
d
yr
n .2802142807626673 1.3228e-09 deg/d
Q 2.585521815439416 8.1367e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1658  
   data-arc span      12371 days (33.87 yr)  
   first obs. used      1987-02-23  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49411  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:55:05  

Additional Information
 Earth MOID = 1.05511 au 
 Jupiter MOID = 2.72373 au 
 T_jup = 3.571 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456685.5 (2014-Jan-28.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1183589767260804 3.1417e-08  
q 2.038701071528016 7.4115e-08 au
tp 2456849.670466748091
(2014-Jul-11.17046675)
5.8815e-05 TDB
node 322.0266552913624 4.9281e-05 deg
peri 90.9497760660791 5.2072e-05 deg
i 4.058241265796197 3.7494e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1658  
   data-arc span      12371 days (33.87 yr)  
   first obs. used      1987-02-23  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49411  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:55:05  

Additional Information
 Jupiter MOID = 2.72373 au 
 T_jup = 3.571 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.870386408053173E-16 -2.320277741222347E-15 -3.585901418459632E-13 5.066349322925653E-15 -1.08813337118825E-13 -8.613818199200286E-16
q -2.320277741222347E-15 5.493044769002036E-15 9.178034856811718E-13 -1.186976484913295E-14 2.754449719852886E-13 2.13575400573132E-15
tp -3.585901418459632E-13 9.178034856811718E-13 3.459248089966877E-9 2.672493232822025E-12 9.997626970991557E-10 1.265334050879859E-12
node 5.066349322925653E-15 -1.186976484913295E-14 2.672493232822025E-12 2.428603753631425E-9 -2.421334158493894E-9 2.270774567700564E-11
peri -1.08813337118825E-13 2.754449719852886E-13 9.997626970991557E-10 -2.421334158493894E-9 2.71151184488934E-9 -2.22854783949955E-11
i -8.613818199200286E-16 2.13575400573132E-15 1.265334050879859E-12 2.270774567700564E-11 -2.22854783949955E-11 1.40576259479431E-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 14.87   n/a E2021B10  
diameter diameter 3.076 km 0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.224   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11702 Mifischer           Discovered 1998 Mar. 31 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Michael Henry Fischer (b. 1985) is a finalist in the 2002 Intel International Science and Engineering Fair for his physics project. He attends the Pacific Collegiate School, Santa Cruz, California, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020724/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1998 FE117 = 1987 DZ2 = 1992 OC2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-06 23:23 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin