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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1570755448559486 4.0081e-08  
a 2.463552475349118 1.9451e-08 au
q 2.076588628002435 1.0271e-07 au
i 10.55224001245568 5.1215e-06 deg
node 127.2493084508966 1.9721e-05 deg
peri 243.645840949163 2.5532e-05 deg
M 243.8475774879769 1.8873e-05 deg
tp 2459852.187299335326
(2022-Sep-29.68729934)
7.7491e-05 TDB
period 1412.346158718614
3.87
1.6727e-05
4.58e-08
d
yr
n .25489501831946 3.0188e-09 deg/d
Q 2.850516322695802 2.2507e-08 au
  Orbit Determination Parameters
   # obs. used (total)      364  
   data-arc span      8861 days (24.26 yr)  
   first obs. used      1997-03-05  
   last obs. used      2021-06-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52169  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 06:49:24  

Additional Information
 Earth MOID = 1.09826 au 
 Jupiter MOID = 2.65529 au 
 T_jup = 3.448 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457828.5 (2017-Mar-16.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1559011609535318 4.0143e-08  
q 2.081336005590408 1.0278e-07 au
tp 2458439.108611031908
(2018-Nov-16.60861103)
6.8184e-05 TDB
node 127.2959356716328 1.9721e-05 deg
peri 243.4199325629164 2.5605e-05 deg
i 10.5489836891971 5.1203e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      364  
   data-arc span      8861 days (24.26 yr)  
   first obs. used      1997-03-05  
   last obs. used      2021-06-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52169  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 06:49:24  

Additional Information
 Jupiter MOID = 2.65529 au 
 T_jup = 3.448 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.611483717646122E-15 -4.073903409889404E-15 -1.27120182807811E-12 1.632821682124512E-14 -3.113876348249034E-13 1.978214939871135E-16
q -4.073903409889404E-15 1.056365349795348E-14 3.695127999866816E-12 -4.163312433037278E-14 8.704972584338174E-13 1.171801625292098E-15
tp -1.27120182807811E-12 3.695127999866816E-12 4.648992589323681E-9 -1.993920628953943E-11 1.11391784343271E-9 9.038660122041579E-12
node 1.632821682124512E-14 -4.163312433037278E-14 -1.993920628953943E-11 3.889296687845326E-10 -3.868308450625426E-10 1.646953543146051E-11
peri -3.113876348249034E-13 8.704972584338174E-13 1.11391784343271E-9 -3.868308450625426E-10 6.556200797276919E-10 -1.410739115550093E-11
i 1.978214939871135E-16 1.171801625292098E-15 9.038660122041579E-12 1.646953543146051E-11 -1.410739115550093E-11 2.621714059713784E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.71   n/a MPO638941  
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
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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