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249467 (2009 HS105)
Classification: Main-belt Asteroid          SPK-ID: 2249467
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1339998791089447 4.8858e-08  
a 3.138320032455736 3.2812e-08 au
q 2.717785527501487 1.6801e-07 au
i 4.589728297854724 8.0112e-06 deg
node 236.6072785237034 8.3396e-05 deg
peri 43.62981136397146 9.0348e-05 deg
M 313.2459541434591 3.482e-05 deg
tp 2459264.230870386009
(2021-Feb-18.73087039)
0.00019661 TDB
period 2030.692993506584
5.56
3.1847e-05
8.719e-08
d
yr
n .1772793825315539 2.7803e-09 deg/d
Q 3.558854537409984 3.7209e-08 au
  Orbit Determination Parameters
   # obs. used (total)      229  
   data-arc span      9305 days (25.48 yr)  
   first obs. used      1994-11-05  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5617  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:44:35  

Additional Information
 Earth MOID = 1.70376 au 
 Jupiter MOID = 1.57285 au 
 T_jup = 3.192 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457608.5 (2016-Aug-08.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1328806430458399 4.8904e-08  
q 2.723694981505255 1.6823e-07 au
tp 2457231.035947870419
(2015-Jul-27.53594787)
0.00019918 TDB
node 236.612913188037 8.3393e-05 deg
peri 43.45620830251715 9.0454e-05 deg
i 4.588055011984697 8.0108e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      229  
   data-arc span      9305 days (25.48 yr)  
   first obs. used      1994-11-05  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5617  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:44:35  

Additional Information
 Jupiter MOID = 1.57285 au 
 T_jup = 3.192 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.391592430901583E-15 -8.131508640898354E-15 -2.27562925936523E-12 -1.674252859681766E-14 -3.569231468900243E-13 3.658217981604914E-16
q -8.131508640898354E-15 2.830181467278694E-14 6.573736637144998E-12 5.942547606152985E-14 1.036045136146378E-12 -8.604784281994547E-16
tp -2.27562925936523E-12 6.573736637144998E-12 3.967213403019901E-8 6.174279489843157E-12 7.048342911226186E-9 4.451387288819465E-12
node -1.674252859681766E-14 5.942547606152985E-14 6.174279489843157E-12 6.954380813595832E-9 -6.931035632168499E-9 -3.919079357652726E-10
peri -3.569231468900243E-13 1.036045136146378E-12 7.048342911226186E-9 -6.931035632168499E-9 8.181997819446218E-9 3.915258832949299E-10
i 3.658217981604914E-16 -8.604784281994547E-16 4.451387288819465E-12 -3.919079357652726E-10 3.915258832949299E-10 6.417246265475685E-11

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 15.7   n/a MPO433635  
diameter diameter 3.852 km 0.753 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249467 (2009 HS105)          Discovered 2009-Apr-29 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2009 HS105 = 1994 VV4 = 2005 SL182 = 2008 EM70 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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