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72473 (2001 DD34)
Classification: Main-belt Asteroid          SPK-ID: 2072473
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1477950826821049 4.1284e-08  
a 2.582394949896721 1.3119e-08 au
q 2.200729674758885 1.0397e-07 au
i 14.67808496163756 3.7281e-06 deg
node 3.969144480864879 1.3876e-05 deg
peri 304.8427112868934 1.9269e-05 deg
M 147.8073477389425 1.5022e-05 deg
tp 2458578.162536027037
(2019-Apr-04.66253603)
6.2281e-05 TDB
period 1515.766911845066
4.15
1.155e-05
3.162e-08
d
yr
n .23750353513245 1.8098e-09 deg/d
Q 2.964060225034557 1.5058e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1598  
   data-arc span      11090 days (30.36 yr)  
   first obs. used      1990-10-21  
   last obs. used      2021-03-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47272  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:02:16  

Additional Information
 Earth MOID = 1.22048 au 
 Jupiter MOID = 2.47327 au 
 T_jup = 3.363 
[ 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 14.45   n/a E2021B10  
diameter diameter 3.588 km 0.391 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.287   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72473 (2001 DD34)          Discovered 2001-Feb-17 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 DD34 = 1997 GX1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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