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362326 (2010 HW30)
Classification: Main-belt Asteroid          SPK-ID: 2362326
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1569191105323407 4.9451e-08  
a 2.463817938791697 2.2172e-08 au
q 2.077197819322878 1.2021e-07 au
i 10.5522131569342 7.0122e-06 deg
node 127.2491447542132 2.0508e-05 deg
peri 243.6456701997644 2.8846e-05 deg
M 193.8819855019146 2.0051e-05 deg
tp 2459852.316841008398
(2022-Sep-29.81684101)
8.1766e-05 TDB
period 1412.574448785792
3.87
1.9068e-05
5.221e-08
d
yr
n .254853824029909 3.4402e-09 deg/d
Q 2.850438058260515 2.5652e-08 au
  Orbit Determination Parameters
   # obs. used (total)      323  
   data-arc span      8455 days (23.15 yr)  
   first obs. used      1997-03-05  
   last obs. used      2020-04-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53409  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:39:05  

Additional Information
 Earth MOID = 1.09812 au 
 Jupiter MOID = 2.65497 au 
 T_jup = 3.448 
[ 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 16.70   n/a E2021B25  
diameter diameter 2.238 km 0.496 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.96445 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.106   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

362326 (2010 HW30)          Discovered 2010-Apr-19 by WISE at WISE
Reference: Last Updated: 2013-04-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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