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 ]  
117251 (2004 SD41)
Classification: Main-belt Asteroid          SPK-ID: 2117251
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08120804164811604 4.8801e-08  
a 2.652535104871748 1.8071e-08 au
q 2.437127923602233 1.3127e-07 au
i 13.78466763838501 5.7097e-06 deg
node 15.29157577236847 2.058e-05 deg
peri 256.958621040009 4.2026e-05 deg
M 328.431882982425 3.7841e-05 deg
tp 2459138.868207304511
(2020-Oct-16.36820730)
0.00016584 TDB
period 1577.938734891657
4.32
1.6125e-05
4.415e-08
d
yr
n .2281457397803965 2.3315e-09 deg/d
Q 2.867942286141262 1.9539e-08 au
  Orbit Determination Parameters
   # obs. used (total)      578  
   data-arc span      8125 days (22.25 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56397  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:49:47  

Additional Information
 Earth MOID = 1.46617 au 
 Jupiter MOID = 2.24545 au 
 T_jup = 3.344 
[ 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 15.3   n/a MPO338086  

117251 (2004 SD41)          Discovered 2004-Sep-17 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2004 SD41 = 1998 FR51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-04 04:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin