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277829 (2006 HL25)
Classification: Main-belt Asteroid          SPK-ID: 2277829
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2014429104465282 5.2097e-08  
a 2.77891241546922 1.4597e-08 au
q 2.219120210621109 1.4472e-07 au
i 7.954731613272984 4.5645e-06 deg
node 199.9934813947237 3.6126e-05 deg
peri 59.87814876794152 3.8884e-05 deg
M 354.1256116900246 1.1016e-05 deg
tp 2459028.110283483179
(2020-Jun-27.61028348)		 5.173e-05 TDB
period 1692.040350323095
4.63		 1.3332e-05
3.65e-08		 d
yr
n .2127608835872371 1.6763e-09 deg/d
Q 3.338704620317332 1.7537e-08 au
   Orbit Determination Parameters
   # obs. used (total)      326  
   data-arc span      6582 days (18.02 yr)  
   first obs. used      2002-08-12  
   last obs. used      2020-08-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53912  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 21:15:29  

Additional Information
 Earth MOID = 1.21713 au 
 Jupiter MOID = 1.76363 au 
 T_jup = 3.290 
[ 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 16.5   n/a MPO433796  

277829 (2006 HL25)          Discovered 2006-Apr-20 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

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