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JPL Small-Body Database Browser
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277853 (2006 HX121)
Classification: Inner Main-belt Asteroid          SPK-ID: 2277853
[ 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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05340903697207246 5.888e-08  
a 1.876739750023455 1.5719e-08 au
q 1.776504887327495 1.0436e-07 au
i 26.50112902704037 6.7607e-06 deg
node 99.77854906214039 1.2846e-05 deg
peri 239.978380888607 6.3402e-05 deg
M 277.4556006683638 6.2757e-05 deg
tp 2458815.822600659418
(2019-Nov-28.32260066)		 0.000164 TDB
period 939.0841397483081
2.57		 1.1798e-05
3.23e-08		 d
yr
n .3833522309262796 4.8162e-09 deg/d
Q 1.976974612719417 1.6558e-08 au
   Orbit Determination Parameters
   # obs. used (total)      246  
   data-arc span      6648 days (18.20 yr)  
   first obs. used      1999-12-16  
   last obs. used      2018-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61586  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Mar-06 01:44:27  

Additional Information
 Earth MOID = .799148 au 
 Jupiter MOID = 3.23454 au 
 T_jup = 3.846 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO437264  

277853 (2006 HX121)          Discovered 2006-Apr-27 by CSS at Catalina
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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