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 ]  
123884 (2001 DJ42)
Classification: Main-belt Asteroid          SPK-ID: 2123884
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1020988341286347 3.66e-08  
a 2.996241143703409 2.2827e-08 au
q 2.690328416163044 1.2086e-07 au
i 9.751700594477258 6.9152e-06 deg
node 325.7965173251629 2.4097e-05 deg
peri 100.5279776393031 4.6299e-05 deg
M 330.5116383124986 4.0914e-05 deg
tp 2459155.671413354181
(2020-Nov-02.17141335)
0.00021628 TDB
period 1894.364610672221
5.19
2.1648e-05
5.927e-08
d
yr
n .1900373338753688 2.1717e-09 deg/d
Q 3.302153871243774 2.5157e-08 au
  Orbit Determination Parameters
   # obs. used (total)      642  
   data-arc span      7597 days (20.80 yr)  
   first obs. used      1999-10-14  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .532  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:22:25  

Additional Information
 Earth MOID = 1.72587 au 
 Jupiter MOID = 1.97709 au 
 T_jup = 3.225 
[ 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 14.7   n/a MPO493705  

123884 (2001 DJ42)          Discovered 2001-Feb-19 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 2001 DJ42 = 1999 XK236 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-24 04:26 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin