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 ]  
46057 (2001 DT87)
Classification: Main-belt Asteroid          SPK-ID: 2046057
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .170483980934961 4.99e-08  
a 2.542163326976092 1.2643e-08 au
q 2.108765202806343 1.2621e-07 au
i 7.065013896670047 3.9598e-06 deg
node 160.2622222011939 4.3029e-05 deg
peri 91.60792917961994 4.4238e-05 deg
M 178.8040152045893 1.3362e-05 deg
tp 2458265.176632983614
(2018-May-26.67663298)
5.3249e-05 TDB
period 1480.483600007572
4.05
1.1044e-05
3.024e-08
d
yr
n .2431637878313267 1.814e-09 deg/d
Q 2.975561451145841 1.4798e-08 au
  Orbit Determination Parameters
   # obs. used (total)      846  
   data-arc span      14179 days (38.82 yr)  
   first obs. used      1981-02-02  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54712  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:51:37  

Additional Information
 Earth MOID = 1.10909 au 
 Jupiter MOID = 2.10053 au 
 T_jup = 3.414 
[ 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 MPO359045  

46057 (2001 DT87)          Discovered 2001-Feb-21 by LONEOS at Anderson Mesa
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 DT87 = 1981 CO1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jun-06 12:14 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin