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 ]  
186454 (2002 SU55)
Classification: Main-belt Asteroid          SPK-ID: 2186454
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1540756663467832 3.8553e-08  
a 2.290803138190853 8.4204e-09 au
q 1.937846118204795 8.9995e-08 au
i 4.508668913911628 4.5251e-06 deg
node 127.9299746337578 5.7692e-05 deg
peri 219.531339386099 5.9744e-05 deg
M 110.2340688528804 1.6365e-05 deg
tp 2458812.712846190527
(2019-Nov-25.21284619)
5.6755e-05 TDB
period 1266.426766462976
3.47
6.9826e-06
1.912e-08
d
yr
n .2842643645360164 1.5673e-09 deg/d
Q 2.643760158176911 9.7178e-09 au
  Orbit Determination Parameters
   # obs. used (total)      480  
   data-arc span      6742 days (18.46 yr)  
   first obs. used      2002-09-05  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49973  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:51:20  

Additional Information
 Earth MOID = .931373 au 
 Jupiter MOID = 2.75911 au 
 T_jup = 3.579 
[ 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 16.48   n/a MPCxxxxx  
rotation period rot_per 6.178 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

186454 (2002 SU55)          Discovered 2002-Sep-30 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ 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 2021-Jun-19 05:01 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin