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 ]  
118555 (2000 FH4)
Classification: Main-belt Asteroid          SPK-ID: 2118555
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1546503080467123 4.1624e-08  
a 2.368699346732363 1.141e-08 au
q 2.002379263090157 9.7727e-08 au
i 1.288442350956312 5.2367e-06 deg
node 311.3230212257548 0.0002392 deg
peri 293.2213777259863 0.00023999 deg
M 153.1417100262736 2.1285e-05 deg
tp 2458434.059459182650
(2018-Nov-11.55945918)
7.739e-05 TDB
period 1331.567961852201
3.65
9.6208e-06
2.634e-08
d
yr
n .2703579616764304 1.9534e-09 deg/d
Q 2.735019430374569 1.3174e-08 au
  Orbit Determination Parameters
   # obs. used (total)      497  
   data-arc span      10574 days (28.95 yr)  
   first obs. used      1990-09-25  
   last obs. used      2019-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5401  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:17:30  

Additional Information
 Earth MOID = .989564 au 
 Jupiter MOID = 2.28605 au 
 T_jup = 3.530 
[ 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 16.5   n/a MPO493677  
rotation period rot_per 6.96 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

118555 (2000 FH4)          Discovered 2000-Mar-27 by Spacewatch at Kitt Peak
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2000 FH4 = 1997 PJ1 
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-21 10:53 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin