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 ]  
48033 (2001 DJ44)
Classification: Main-belt Asteroid          SPK-ID: 2048033
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03045109498249958 3.7805e-08  
a 2.21566085929525 8.1321e-09 au
q 2.148191560019844 8.2864e-08 au
i 3.086867752961497 4.0202e-06 deg
node 134.0873928899369 8.108e-05 deg
peri 136.5579032329573 0.00010739 deg
M 70.92447968818168 7.0089e-05 deg
tp 2458363.173074476268
(2018-Sep-01.67307448)
0.00023461 TDB
period 1204.629114858071
3.30
6.632e-06
1.816e-08
d
yr
n .2988471684435545 1.6453e-09 deg/d
Q 2.283130158570656 8.3798e-09 au
  Orbit Determination Parameters
   # obs. used (total)      596  
   data-arc span      10480 days (28.69 yr)  
   first obs. used      1991-02-20  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57611  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:35:28  

Additional Information
 Earth MOID = 1.13261 au 
 Jupiter MOID = 2.72002 au 
 T_jup = 3.651 
[ 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 16.3   n/a MPO279993  
diameter diameter 2.396 km 0.424 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.112   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48033 (2001 DJ44)          Discovered 2001-Feb-19 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 DJ44 = 1999 TW311 
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