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72830 (2001 HL13)
Classification: Main-belt Asteroid          SPK-ID: 2072830
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1695363157832631 3.6209e-08  
a 3.165998014201283 1.7409e-08 au
q 2.629246375096471 1.1213e-07 au
i 4.593910630593396 4.084e-06 deg
node 201.748574059005 4.8819e-05 deg
peri 142.9171226506415 5.0307e-05 deg
M 68.89056354923223 1.1711e-05 deg
tp 2458806.749044449463
(2019-Nov-19.24904445)
6.6922e-05 TDB
period 2057.616264045977
5.63
1.6971e-05
4.646e-08
d
yr
n .1749597368034586 1.4431e-09 deg/d
Q 3.702749653306096 2.036e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1198  
   data-arc span      8505 days (23.29 yr)  
   first obs. used      1997-10-30  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52888  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:04:17  

Additional Information
 Earth MOID = 1.6221 au 
 Jupiter MOID = 1.74624 au 
 T_jup = 3.176 
[ 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 14.13   n/a MPCxxxxx  
diameter diameter 8.502 km 0.376 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72830 (2001 HL13)          Discovered 2001-Apr-18 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 HL13 = 2002 NB21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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