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 ]  
469037 (2015 AL251)
Classification: Main-belt Asteroid          SPK-ID: 2469037
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2717675934598739 8.5734e-08  
a 3.15344845940081 6.0916e-08 au
q 2.296443360489705 2.9915e-07 au
i 15.41176889084332 8.0103e-06 deg
node 100.7963416439062 3.0761e-05 deg
peri 311.3241782055048 3.6415e-05 deg
M 289.8979470462581 1.7643e-05 deg
tp 2458998.795379614312
(2020-May-29.29537961)
0.00010826 TDB
period 2045.394259077808
5.60
5.9267e-05
1.623e-07
d
yr
n .1760051874606857 5.0999e-09 deg/d
Q 4.010453558311916 7.7471e-08 au
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      5792 days (15.86 yr)  
   first obs. used      2003-12-18  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54308  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 17:58:28  

Additional Information
 Earth MOID = 1.33944 au 
 Jupiter MOID = 1.49593 au 
 T_jup = 3.095 
[ 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 16.9   n/a MPO386728  

469037 (2015 AL251)          Discovered 2003-Dec-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-06-21

[ show close-approach data ]
Alternate Designations
 2015 AL251 = 2003 YL168 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin