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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .124488432043234 3.9928e-08  
a 3.084343223332182 2.2368e-08 au
q 2.700378171576384 1.2302e-07 au
i 1.161917960229442 5.9565e-06 deg
node 16.06600374298505 0.00022218 deg
peri 242.2484521971652 0.00022349 deg
M 39.50060501367641 2.4084e-05 deg
tp 2458383.408047969429
(2018-Sep-21.90804797)
0.00013198 TDB
period 1978.529258069499
5.42
2.1523e-05
5.893e-08
d
yr
n .1819533365664054 1.9794e-09 deg/d
Q 3.468308275087979 2.5153e-08 au
  Orbit Determination Parameters
   # obs. used (total)      978  
   data-arc span      8592 days (23.52 yr)  
   first obs. used      1996-03-16  
   last obs. used      2019-09-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54789  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:25:08  

Additional Information
 Earth MOID = 1.68516 au 
 Jupiter MOID = 1.58899 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 14.3   n/a MPO436103  
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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