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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
469813 (2005 SP121)
Classification: Main-belt Asteroid          SPK-ID: 2469813
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2167033917204038 6.7808e-08  
a 2.420518624056815 4.1646e-08 au
q 1.895984028501298 1.4935e-07 au
i 2.752484861052173 8.8632e-06 deg
node 276.0633279898926 0.00017142 deg
peri 133.9859443549271 0.00018951 deg
M 191.5559035797603 7.8054e-05 deg
tp 2459244.097522295202
(2021-Jan-29.59752230)
0.00031402 TDB
period 1375.501504358054
3.77
3.5499e-05
9.719e-08
d
yr
n .2617227235734734 6.7546e-09 deg/d
Q 2.945053219612331 5.0671e-08 au
  Orbit Determination Parameters
   # obs. used (total)      119  
   data-arc span      4524 days (12.39 yr)  
   first obs. used      2005-09-01  
   last obs. used      2018-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63109  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 09:57:10  

Additional Information
 Earth MOID = .907341 au 
 Jupiter MOID = 2.43813 au 
 T_jup = 3.480 
[ 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 17.7   n/a MPO437770  

469813 (2005 SP121)          Discovered 2005-Sep-29 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin