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JPL Small-Body Database Browser
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46052 (2001 DD76)
Classification: Main-belt Asteroid          SPK-ID: 2046052
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1940009366618325 3.5796e-08  
a 2.193098271786121 8.6319e-09 au
q 1.767635152868168 7.9018e-08 au
i 4.012976757967504 4.2661e-06 deg
node 171.024722470837 6.096e-05 deg
peri 198.432037340411 6.2053e-05 deg
M 104.0809075026326 1.3925e-05 deg
tp 2458657.531577910770
(2019-Jun-23.03157791)
4.4912e-05 TDB
period 1186.27551310503
3.25
7.0037e-06
1.918e-08
d
yr
n .3034708177173058 1.7917e-09 deg/d
Q 2.618561390704075 1.0307e-08 au
  Orbit Determination Parameters
   # obs. used (total)      923  
   data-arc span      10602 days (29.03 yr)  
   first obs. used      1991-01-19  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52736  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:20:58  

Additional Information
 Earth MOID = .767359 au 
 Jupiter MOID = 2.84355 au 
 T_jup = 3.643 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456428.5 (2013-May-16.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1943088085443465 3.5946e-08  
q 1.767132252532191 7.9345e-08 au
tp 2456284.980688276744
(2012-Dec-23.48068828)
4.0034e-05 TDB
node 171.1129878545597 6.0937e-05 deg
peri 198.3300213748249 6.202e-05 deg
i 4.012863280853507 4.2676e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      923  
   data-arc span      10602 days (29.03 yr)  
   first obs. used      1991-01-19  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52736  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:20:58  

Additional Information
 Jupiter MOID = 2.84355 au 
 T_jup = 3.643 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.292085829957329E-15 -2.841215090459627E-15 -8.715435629082319E-14 3.141756698350094E-15 -2.194403954756813E-14 6.737728167767299E-16
q -2.841215090459627E-15 6.295597485967299E-15 2.361300050263028E-13 -7.166712472867692E-15 6.145077304002049E-14 -1.352104224952958E-15
tp -8.715435629082319E-14 2.361300050263028E-13 1.602699582183688E-9 -7.178042192735538E-12 4.782667245270131E-10 8.633128728149659E-13
node 3.141756698350094E-15 -7.166712472867692E-15 -7.178042192735538E-12 3.71337462149611E-9 -3.705837096641399E-9 -1.777754159443274E-11
peri -2.194403954756813E-14 6.145077304002049E-14 4.782667245270131E-10 -3.705837096641399E-9 3.846441375337227E-9 1.797487100849468E-11
i 6.737728167767299E-16 -1.352104224952958E-15 8.633128728149659E-13 -1.777754159443274E-11 1.797487100849468E-11 1.821274073199396E-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 15.6   n/a MPO449291  
diameter diameter 2.054 km 0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.290   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46052 (2001 DD76)          Discovered 2001-Feb-20 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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