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JPL Small-Body Database Browser
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312582 (2009 HN80)
Classification: Main-belt Asteroid          SPK-ID: 2312582
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .03461644060060185 4.3404e-08  
a 2.432306994367056 2.6387e-08 au
q 2.348109183774121 1.0568e-07 au
i 6.532942419182503 6.0982e-06 deg
node 127.1049283687618 4.4464e-05 deg
peri 298.9079444645938 0.0001045 deg
M 12.82468736198167 9.2597e-05 deg
tp 2458551.140551813064
(2019-Mar-08.64055181)
0.00035644 TDB
period 1385.562146331447
3.79
2.2547e-05
6.173e-08
d
yr
n .2598223406674122 4.2281e-09 deg/d
Q 2.516504804959992 2.7301e-08 au
  Orbit Determination Parameters
   # obs. used (total)      196  
   data-arc span      4549 days (12.45 yr)  
   first obs. used      2006-07-19  
   last obs. used      2019-01-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65405  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:12:10  

Additional Information
 Earth MOID = 1.37016 au 
 Jupiter MOID = 2.57142 au 
 T_jup = 3.497 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456819.5 (2014-Jun-11.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03351250762366942 4.3273e-08  
q 2.350773629461788 1.0522e-07 au
tp 2457163.703064607191
(2015-May-21.20306461)
0.00037207 TDB
node 127.1533379118724 4.4423e-05 deg
peri 298.3621667314193 0.00010761 deg
i 6.535507076512126 6.1017e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      196  
   data-arc span      4549 days (12.45 yr)  
   first obs. used      2006-07-19  
   last obs. used      2019-01-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65405  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:12:10  

Additional Information
 Jupiter MOID = 2.57142 au 
 T_jup = 3.497 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.872544004511217E-15 -4.419405644479587E-15 5.727635802963395E-13 8.948151042134788E-15 1.407413825628299E-13 1.555933558537451E-15
q -4.419405644479587E-15 1.107129330733E-14 -2.64763294002098E-12 -2.002666046513965E-14 -7.183756928900964E-13 -2.707412802404082E-15
tp 5.727635802963395E-13 -2.64763294002098E-12 1.384378404375606E-7 -1.215474387099892E-10 3.648278381004557E-8 3.040631827042684E-11
node 8.948151042134788E-15 -2.002666046513965E-14 -1.215474387099892E-10 1.97340989495985E-9 -1.992085004127543E-9 4.912789201812359E-11
peri 1.407413825628299E-13 -7.183756928900964E-13 3.648278381004557E-8 -1.992085004127543E-9 1.157974481877421E-8 -4.094248920225061E-11
i 1.555933558537451E-15 -2.707412802404082E-15 3.040631827042684E-11 4.912789201812359E-11 -4.094248920225061E-11 3.723026073128562E-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 16.9   n/a MPO418616  

312582 (2009 HN80)          Discovered 2009-Apr-28 by CSS at Catalina
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2009 HN80 = 2006 OS14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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