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46040 (2001 DT44)
Classification: Main-belt Asteroid          SPK-ID: 2046040
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1239584976028234 3.8957e-08  
a 3.084717032174883 1.9677e-08 au
q 2.702340143336644 1.181e-07 au
i 1.16181088330587 5.2778e-06 deg
node 16.05918378026145 0.00018558 deg
peri 242.3117277519327 0.00018673 deg
M 148.6627778821712 2.2481e-05 deg
tp 2458383.313531096287
(2018-Sep-21.81353110)
0.00012073 TDB
period 1978.888952542692
5.42
1.8935e-05
5.184e-08
d
yr
n .1819202636597839 1.7407e-09 deg/d
Q 3.467093921013122 2.2116e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1103  
   data-arc span      9099 days (24.91 yr)  
   first obs. used      1996-03-16  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53276  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:46:02  

Additional Information
 Earth MOID = 1.68576 au 
 Jupiter MOID = 1.58933 au 
 T_jup = 3.215 
[ 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 14.37   n/a MPCxxxxx  
diameter diameter 7.462 km 0.197 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46040 (2001 DT44)          Discovered 2001-Feb-19 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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