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 ]  
46026 (2001 DJ20)
Classification: Main-belt Asteroid          SPK-ID: 2046026
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1734960223162203 3.451e-08  
a 2.631093797870775 1.3607e-08 au
q 2.174609489599318 8.9283e-08 au
i 13.8045739125131 5.3081e-06 deg
node 119.8509518646929 1.8635e-05 deg
peri 115.2171172233172 2.5878e-05 deg
M 36.77864649496372 1.6866e-05 deg
tp 2458441.243867436064
(2018-Nov-18.74386744)
7.2817e-05 TDB
period 1558.844959965229
4.27
1.2093e-05
3.311e-08
d
yr
n .2309402212828336 1.7915e-09 deg/d
Q 3.087578106142232 1.5968e-08 au
  Orbit Determination Parameters
   # obs. used (total)      866  
   data-arc span      23477 days (64.28 yr)  
   first obs. used      1955-07-24  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49891  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:14:00  

Additional Information
 Earth MOID = 1.20179 au 
 Jupiter MOID = 2.08325 au 
 T_jup = 3.338 
[ 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 14.9   n/a MPO347844  
diameter diameter 3.072 km 0.249 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.247   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46026 (2001 DJ20)          Discovered 2001-Feb-16 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2004-Oct-30 13:47 < 00:01 Europ 0.0341623091211469 0.0341610148611703 0.0341636033882784 3.76285272614697 3.76285264346567 2453309.074608857 0.772415454834045 79.8027799461689 54.9315167182155 54.294625223061 84222.4368446878 T 26 CATAB v2.0f-lin.ifort 2019-Dec-04 03:14:11 2019-Dec-04 03:14
2147-Jul-01 17:13 00:01 Thisb 0.0141014944333308 0.0140735522220009 0.0141294421896855 7.67238999995044 7.67238993693036 2505417.217251038 1.31973437368403 1461.43812705424 41.0633401129548 -17.5729982521574 15566.403899044 T 26 CATAB v2.0f-lin.ifort 2019-Dec-04 03:14:11 2019-Dec-04 03:14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-13 05:59 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin