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 ]  
487021 (2014 OD18)
Classification: Main-belt Asteroid          SPK-ID: 2487021
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1308942666672767 8.6024e-08  
a 3.154145428275427 6.0149e-08 au
q 2.741285875479372 2.4258e-07 au
i 9.731820852897171 9.0271e-06 deg
node 291.9778757684642 3.6917e-05 deg
peri 74.52543052851394 8.2573e-05 deg
M 325.3994210685405 5.9347e-05 deg
tp 2459197.153582151801
(2020-Dec-13.65358215)
0.00033302 TDB
period 2046.072399970159
5.60
5.8528e-05
1.602e-07
d
yr
n .175946853105125 5.0329e-09 deg/d
Q 3.567004981071483 6.8022e-08 au
  Orbit Determination Parameters
   # obs. used (total)      170  
   data-arc span      6292 days (17.23 yr)  
   first obs. used      2003-07-24  
   last obs. used      2020-10-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50663  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:29:36  

Additional Information
 Earth MOID = 1.75974 au 
 Jupiter MOID = 1.98377 au 
 T_jup = 3.171 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458052.5 (2017-Oct-26.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .135370127536961 8.538e-08  
q 2.724620620190496 2.4382e-07 au
tp 2457150.159248651018
(2015-May-07.65924865)
0.00035411 TDB
node 292.2038234916888 3.7073e-05 deg
peri 74.2620801833245 7.933e-05 deg
i 9.70784694949934 9.0076e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      170  
   data-arc span      6292 days (17.23 yr)  
   first obs. used      2003-07-24  
   last obs. used      2020-10-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50663  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:29:36  

Additional Information
 Jupiter MOID = 1.98377 au 
 T_jup = 3.171 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.289788624616117E-15 -2.054017886641644E-14 -1.591950477278585E-11 1.363578861094378E-14 -2.729333704868383E-12 -3.030552397800261E-14
q -2.054017886641644E-14 5.944718279932182E-14 3.623794545372075E-11 -1.552433407068258E-16 5.962769890975798E-12 9.183675067521939E-14
tp -1.591950477278585E-11 3.623794545372075E-11 1.253904306668536E-7 -2.459760617903048E-10 2.478990241628852E-8 6.249264401642826E-11
node 1.363578861094378E-14 -1.552433407068258E-16 -2.459760617903048E-10 1.374399049138813E-9 -1.404388386317654E-9 2.245521396245032E-10
peri -2.729333704868383E-12 5.962769890975798E-12 2.478990241628852E-8 -1.404388386317654E-9 6.293250637478978E-9 -2.109215589919337E-10
i -3.030552397800261E-14 9.183675067521939E-14 6.249264401642826E-11 2.245521396245032E-10 -2.109215589919337E-10 8.113775034749079E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO398925  

487021 (2014 OD18)          Discovered 2014-Jun-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-29 17:53 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin