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359309 (2009 HG93)
Classification: Main-belt Asteroid          SPK-ID: 2359309
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1702708482447957 7.6399e-08  
a 2.559230248880329 2.7622e-08 au
q 2.123467943549736 2.0403e-07 au
i 14.76656237027441 8.4094e-06 deg
node 201.5337888264147 2.0283e-05 deg
peri 350.9146473215529 2.7911e-05 deg
M 286.7370719898455 1.8655e-05 deg
tp 2459304.829630064422
(2021-Mar-31.32963006)
7.8827e-05 TDB
period 1495.417529695327
4.09
2.421e-05
6.628e-08
d
yr
n .2407354420095273 3.8974e-09 deg/d
Q 2.994992554210922 3.2325e-08 au
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      3921 days (10.74 yr)  
   first obs. used      2009-04-30  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52273  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:43:03  

Additional Information
 Earth MOID = 1.12358 au 
 Jupiter MOID = 1.96908 au 
 T_jup = 3.370 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457537.5 (2016-May-29.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1708551315552252 7.6562e-08  
q 2.121103333742285 2.0454e-07 au
tp 2457810.610487455145
(2017-Feb-26.11048746)
7.4373e-05 TDB
node 201.545627497446 2.028e-05 deg
peri 351.1382952799123 2.7771e-05 deg
i 14.76946440178053 8.4101e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      3921 days (10.74 yr)  
   first obs. used      2009-04-30  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52273  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:43:03  

Additional Information
 Jupiter MOID = 1.96908 au 
 T_jup = 3.370 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.861721334140079E-15 -1.557196191149819E-14 3.661131075221379E-12 3.182094723339837E-14 9.877849244307047E-13 2.454451396907159E-14
q -1.557196191149819E-14 4.183593004819543E-14 -9.38485140402752E-12 -8.531081847747597E-14 -2.57073930289511E-12 -6.257903065916459E-14
tp 3.661131075221379E-12 -9.38485140402752E-12 5.531319900873515E-9 1.229208193855602E-11 1.431428007707435E-9 1.964252362282881E-11
node 3.182094723339837E-14 -8.531081847747597E-14 1.229208193855602E-11 4.112831488289784E-10 -3.936085962972777E-10 9.04995436959407E-11
peri 9.877849244307047E-13 -2.57073930289511E-12 1.431428007707435E-9 -3.936085962972777E-10 7.712491171986604E-10 -8.238942453310753E-11
i 2.454451396907159E-14 -6.257903065916459E-14 1.964252362282881E-11 9.04995436959407E-11 -8.238942453310753E-11 7.072921601667485E-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 16.6   n/a MPO455593  

359309 (2009 HG93)          Discovered 2009-Apr-30 by CSS at Catalina
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2009 HG93 = 2010 ML28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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