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 ]  
120563 (1995 FY4)
Classification: Main-belt Asteroid          SPK-ID: 2120563
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2982075821332499 4.043e-08  
a 2.380109197266274 9.2056e-09 au
q 1.670342588336388 9.5994e-08 au
i 4.523536629208847 3.9809e-06 deg
node 26.27769814713364 5.5064e-05 deg
peri 296.7552681350948 5.5452e-05 deg
M 232.1720856434238 5.4061e-06 deg
tp 2459676.730222315178
(2022-Apr-07.23022232)
2.1015e-05 TDB
period 1341.200635998986
3.67
7.7811e-06
2.13e-08
d
yr
n .2684162162895606 1.5572e-09 deg/d
Q 3.089875806196161 1.1951e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1264  
   data-arc span      9429 days (25.82 yr)  
   first obs. used      1995-03-23  
   last obs. used      2021-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39911  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:37:21  

Additional Information
 Earth MOID = .662579 au 
 Jupiter MOID = 2.26868 au 
 T_jup = 3.473 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO532522  
rotation period rot_per 2.48026 h n/a LCDB (Rev. 2020-October); 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

120563 (1995 FY4)          Discovered 1995-Mar-23 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 1995 FY4 = 1999 GP59 = 2000 WF79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-01 17:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin