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 ]  
17804 (1998 FH71)
Classification: Main-belt Asteroid          SPK-ID: 2017804
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0867517931888932 2.9059e-08  
a 2.999293708908558 1.4469e-08 au
q 2.739099601360574 8.9187e-08 au
i 9.870689055999714 3.46e-06 deg
node 207.9052949977372 1.9552e-05 deg
peri 84.16908715287229 3.205e-05 deg
M 47.72770227615209 2.3082e-05 deg
tp 2458948.967013170647
(2020-Apr-09.46701317)
0.00012211 TDB
period 1897.260310891037
5.19
1.3729e-05
3.759e-08
d
yr
n .1897472887265154 1.373e-09 deg/d
Q 3.259487816456542 1.5724e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2243  
   data-arc span      11017 days (30.16 yr)  
   first obs. used      1990-11-21  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47555  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:13:49  

Additional Information
 Earth MOID = 1.74437 au 
 Jupiter MOID = 1.90327 au 
 T_jup = 3.225 
[ 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 13.18   n/a E2021B10  
diameter diameter 8.352 km 0.237 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.146   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17804 (1998 FH71)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FH71 = 1990 WV5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-18 19:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin