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72451 (2001 DW5)
Classification: Main-belt Asteroid          SPK-ID: 2072451
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06053643206615767 3.5107e-08  
a 2.998895708257846 1.9823e-08 au
q 2.817353261941403 1.0286e-07 au
i 10.33977029059965 4.6294e-06 deg
node 30.6219968260317 2.1225e-05 deg
peri 241.404051652881 4.3688e-05 deg
M 181.3906795508917 3.9261e-05 deg
tp 2460141.613684122772
(2023-Jul-16.11368412)
0.00020837 TDB
period 1896.882679091394
5.19
1.8808e-05
5.149e-08
d
yr
n .1897850636563564 1.8817e-09 deg/d
Q 3.180438154574289 2.1023e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1052  
   data-arc span      10928 days (29.92 yr)  
   first obs. used      1991-03-14  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54652  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:02:09  

Additional Information
 Earth MOID = 1.81806 au 
 Jupiter MOID = 1.88445 au 
 T_jup = 3.226 
[ 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 14.48   n/a E2021B10  
diameter diameter 5.088 km 0.228 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.21 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]
geometric albedo albedo 0.119   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72451 (2001 DW5)          Discovered 2001-Feb-16 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 DW5 = 1998 SV84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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