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 ]  
193644 (2001 DL22)
Classification: Main-belt Asteroid          SPK-ID: 2193644
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1726836119910068 3.8358e-08  
a 2.716811273561087 1.8578e-08 au
q 2.247662489744671 1.0541e-07 au
i 11.02536596421085 4.9088e-06 deg
node 105.8864543213984 2.6734e-05 deg
peri 21.87497126973227 3.2879e-05 deg
M 52.48451028385731 1.8187e-05 deg
tp 2458362.039592682819
(2018-Aug-31.53959268)
8.1588e-05 TDB
period 1635.63966149054
4.48
1.6777e-05
4.593e-08
d
yr
n .2200973774822359 2.2576e-09 deg/d
Q 3.185960057377503 2.1786e-08 au
  Orbit Determination Parameters
   # obs. used (total)      524  
   data-arc span      6659 days (18.23 yr)  
   first obs. used      2001-02-16  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51196  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 08:11:29  

Additional Information
 Earth MOID = 1.2674 au 
 Jupiter MOID = 1.91163 au 
 T_jup = 3.312 
[ 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 15.4   n/a MPO436958  
rotation period rot_per 5.415 h n/a LCDB (Rev. 2019-January); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

193644 (2001 DL22)          Discovered 2001-Feb-16 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Oct-16 23:29 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin