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72490 (2001 DW46)
Classification: Main-belt Asteroid          SPK-ID: 2072490
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1477150287138536 3.0299e-08  
a 2.276887646754995 6.7215e-09 au
q 1.940557122636363 7.0117e-08 au
i 3.234523405093497 3.3366e-06 deg
node 267.487590126669 6.1656e-05 deg
peri 158.7939994666206 6.2871e-05 deg
M 344.7869224266019 1.1588e-05 deg
tp 2459253.530461567825
(2021-Feb-08.03046157)
4.0401e-05 TDB
period 1254.904937696484
3.44
5.5569e-06
1.521e-08
d
yr
n .2868743194690266 1.2703e-09 deg/d
Q 2.613218170873628 7.7144e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1134  
   data-arc span      10896 days (29.83 yr)  
   first obs. used      1991-04-14  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49243  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:02:22  

Additional Information
 Earth MOID = .954196 au 
 Jupiter MOID = 2.66374 au 
 T_jup = 3.592 
[ 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 16.07   n/a E2021B10  
diameter diameter 3.283 km 0.991 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.078   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

72490 (2001 DW46)          Discovered 2001-Feb-19 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 DW46 = 1998 HG150 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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