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277771 (2006 DH177)
Classification: Main-belt Asteroid          SPK-ID: 2277771
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05680656448820116 5.5163e-08  
a 2.749098325050087 2.399e-08 au
q 2.592931493763724 1.578e-07 au
i 3.796333803527572 6.5543e-06 deg
node 5.356337840237673 6.2826e-05 deg
peri 22.92925798154712 7.7198e-05 deg
M 223.1601979785829 4.5902e-05 deg
tp 2459833.339783251971
(2022-Sep-10.83978325)		 0.00021469 TDB
period 1664.883452075243
4.56		 2.1793e-05
5.967e-08		 d
yr
n .2162313521413571 2.8304e-09 deg/d
Q 2.905265156336451 2.5353e-08 au
   Orbit Determination Parameters
   # obs. used (total)      215  
   data-arc span      7528 days (20.61 yr)  
   first obs. used      1999-10-06  
   last obs. used      2020-05-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61502  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 04:02:13  

Additional Information
 Earth MOID = 1.59618 au 
 Jupiter MOID = 2.34788 au 
 T_jup = 3.341 
[ 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 16.82   n/a E2021B55  

277771 (2006 DH177)          Discovered 2006-Feb-27 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Alternate Designations
 2006 DH177 = 2008 SX212 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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