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 ]  
72246 (2001 AL26)
Classification: Main-belt Asteroid          SPK-ID: 2072246
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07435766355345766 3.2954e-08  
a 2.432624693149465 1.1237e-08 au
q 2.251740404664424 8.0038e-08 au
i 7.327971983879147 4.4399e-06 deg
node 51.53460317612211 2.8971e-05 deg
peri 73.98222757789064 4.3034e-05 deg
M 71.02450918324732 3.041e-05 deg
tp 2458927.088464694194
(2020-Mar-18.58846469)
0.00011716 TDB
period 1385.833620562444
3.79
9.6025e-06
2.629e-08
d
yr
n .2597714434535749 1.8e-09 deg/d
Q 2.613508981634506 1.2073e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1048  
   data-arc span      8369 days (22.91 yr)  
   first obs. used      1998-04-21  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54846  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:15:25  

Additional Information
 Earth MOID = 1.28027 au 
 Jupiter MOID = 2.43715 au 
 T_jup = 3.492 
[ 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 15.17   n/a MPCxxxxx  
rotation period rot_per 5.43452 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

72246 (2001 AL26)          Discovered 2001-Jan-05 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-15 05:04 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin