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JPL Small-Body Database Browser
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312568 (2009 HM19)
Classification: Main-belt Asteroid          SPK-ID: 2312568
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1502523294546097 5.6321e-08  
a 2.640556049650722 2.6689e-08 au
q 2.243806352135239 1.4078e-07 au
i 13.5115524785096 5.4963e-06 deg
node 69.78880614627018 2.374e-05 deg
peri 171.5530655558445 3.0279e-05 deg
M 106.5555246047373 2.0417e-05 deg
tp 2458136.610029091869
(2018-Jan-18.11002909)
8.6644e-05 TDB
period 1567.26167081817
4.29
2.3761e-05
6.505e-08
d
yr
n .2296999963076149 3.4825e-09 deg/d
Q 3.037305747166205 3.0699e-08 au
  Orbit Determination Parameters
   # obs. used (total)      197  
   data-arc span      7200 days (19.71 yr)  
   first obs. used      2000-03-09  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52169  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 21:32:49  

Additional Information
 Earth MOID = 1.23145 au 
 Jupiter MOID = 1.98751 au 
 T_jup = 3.340 
[ 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 16.3   n/a MPO450244  

312568 (2009 HM19)          Discovered 2009-Apr-19 by CSS at Catalina
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

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