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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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1940009381852304 3.5441e-08  
a 2.193098271263989 8.5152e-09 au
q 1.767635149106368 7.8075e-08 au
i 4.012976821404029 4.2331e-06 deg
node 171.0247244477489 6.087e-05 deg
peri 198.4320351635637 6.1961e-05 deg
M 104.0809081553976 1.3804e-05 deg
tp 2458657.531575882254
(2019-Jun-23.03157588)
4.4546e-05 TDB
period 1186.275512681387
3.25
6.909e-06
1.892e-08
d
yr
n .3034708178256812 1.7674e-09 deg/d
Q 2.618561393421609 1.0167e-08 au
  Orbit Determination Parameters
   # obs. used (total)      950  
   data-arc span      10697 days (29.29 yr)  
   first obs. used      1991-01-19  
   last obs. used      2020-05-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52292  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:49:05  

Additional Information
 Earth MOID = .767359 au 
 Jupiter MOID = 2.84355 au 
 T_jup = 3.643 
[ show covariance matrix ]

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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