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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
46019 (2001 DT9)
Classification: Main-belt Asteroid          SPK-ID: 2046019
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02820149247885734 3.7201e-08  
a 2.609340025820199 1.3524e-08 au
q 2.535752742707249 9.1437e-08 au
i 14.04795345082712 3.5239e-06 deg
node 118.4573696625267 1.7186e-05 deg
peri 181.5850319574517 7.7588e-05 deg
M 152.9316631711706 7.5733e-05 deg
tp 2458742.482525970374
(2019-Sep-15.98252597)
0.00032301 TDB
period 1539.552279550764
4.22
1.1969e-05
3.277e-08
d
yr
n .2338342158182811 1.8179e-09 deg/d
Q 2.682927308933149 1.3905e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1370  
   data-arc span      8258 days (22.61 yr)  
   first obs. used      1998-06-24  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47004  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:21:44  

Additional Information
 Earth MOID = 1.51957 au 
 Jupiter MOID = 2.48393 au 
 T_jup = 3.368 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457455.5 (2016-Mar-08.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02929003782383254 3.7095e-08  
q 2.53317019402809 9.1292e-08 au
tp 2457211.945760555216
(2015-Jul-08.44576056)
0.00031007 TDB
node 118.5183260009298 1.721e-05 deg
peri 183.6557854717421 7.5055e-05 deg
i 14.03775249693238 3.5215e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1370  
   data-arc span      8258 days (22.61 yr)  
   first obs. used      1998-06-24  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47004  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:21:44  

Additional Information
 Jupiter MOID = 2.48393 au 
 T_jup = 3.368 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.376063545414872E-15 -3.359435635266929E-15 9.025832064886438E-13 -1.791147553160134E-15 1.830354151273656E-13 1.809178847048161E-15
q -3.359435635266929E-15 8.33417293539976E-15 -1.954168756318319E-12 5.403814225804636E-15 -3.859699497647041E-13 -4.329085935912271E-15
tp 9.025832064886438E-13 -1.954168756318319E-12 9.614562904773307E-8 -1.00789392169029E-10 2.267331143333572E-8 -2.158022911409258E-11
node -1.791147553160134E-15 5.403814225804636E-15 -1.00789392169029E-10 2.961726655514868E-10 -3.106724124186743E-10 1.250257042675854E-12
peri 1.830354151273656E-13 -3.859699497647041E-13 2.267331143333572E-8 -3.106724124186743E-10 5.633223558093691E-9 -6.324571811624951E-12
i 1.809178847048161E-15 -4.329085935912271E-15 -2.158022911409258E-11 1.250257042675854E-12 -6.324571811624951E-12 1.240130687021307E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.42   n/a E2021B10  
diameter diameter 3.071 km 0.449 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.470   0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46019 (2001 DT9)          Discovered 2001-Feb-16 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 DT9 = 1998 MD31 = 1999 VD200 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-22 18:45 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin