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72445 (2001 DD)
Classification: Main-belt Asteroid          SPK-ID: 2072445
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04523967682310561 3.9574e-08  
a 2.738903316194879 1.3333e-08 au
q 2.61499621532049 1.1001e-07 au
i 5.21878715661916 4.4949e-06 deg
node 178.6336933667408 4.1045e-05 deg
peri 244.2117038751027 6.214e-05 deg
M 224.9133010422663 4.7491e-05 deg
tp 2459821.760251368448
(2022-Aug-30.26025137)
0.00021978 TDB
period 1655.630733582576
4.53
1.2089e-05
3.31e-08
d
yr
n .2174397905872437 1.5877e-09 deg/d
Q 2.862810417069267 1.3936e-08 au
  Orbit Determination Parameters
   # obs. used (total)      805  
   data-arc span      10837 days (29.67 yr)  
   first obs. used      1990-11-16  
   last obs. used      2020-07-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55216  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:02:05  

Additional Information
 Earth MOID = 1.63159 au 
 Jupiter MOID = 2.2772 au 
 T_jup = 3.343 
[ 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 15.36   n/a E2021B10  
diameter diameter 4.723 km 0.180 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72445 (2001 DD)          Discovered 2001-Feb-16 by Crni Vrh at Crni Vrh
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 DD = 1992 EW14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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