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 ]  
46640 (1995 DU)
Classification: Main-belt Asteroid          SPK-ID: 2046640
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04665713250543634 3.9034e-08  
a 2.971759326637418 1.7675e-08 au
q 2.83310555796023 1.1906e-07 au
i 10.09123162642129 4.6472e-06 deg
node 351.9870810517506 2.525e-05 deg
peri 100.3335445195351 6.2891e-05 deg
M 39.29857317254572 5.543e-05 deg
tp 2458796.235375383975
(2019-Nov-08.73537538)
0.00028824 TDB
period 1871.194268018397
5.12
1.6694e-05
4.571e-08
d
yr
n .1923904995611394 1.7164e-09 deg/d
Q 3.110413095314606 1.85e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1439  
   data-arc span      9197 days (25.18 yr)  
   first obs. used      1995-02-20  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50053  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:34:30  

Additional Information
 Earth MOID = 1.87197 au 
 Jupiter MOID = 1.97245 au 
 T_jup = 3.237 
[ 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 13.8   n/a MPO452808  
diameter diameter 5.737 km 0.194 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.178   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46640 (1995 DU)          Discovered 1995-Feb-20 by Kobayashi, T. at Oizumi
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 DU = 2000 DT95 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-04 16:47 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin