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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457534.5 (2016-May-26.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05637860431038751 5.4692e-08  
q 2.594235133433872 1.5627e-07 au
tp 2458173.281835720141
(2018-Feb-23.78183572)
0.00021315 TDB
node 5.375638040931828 6.2823e-05 deg
peri 24.0474088859513 7.7713e-05 deg
i 3.796465223862036 6.554e-06 deg
  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
 Jupiter MOID = 2.34788 au 
 T_jup = 3.341 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.991250480035698E-15 -8.459388308958482E-15 -5.305441859155945E-12 -5.62802966845827E-15 -1.159953597304638E-12 9.602202783428567E-16
q -8.459388308958482E-15 2.441990429586088E-14 1.555366733855819E-11 1.533702058416706E-14 3.359384906409879E-12 -2.185974475980023E-15
tp -5.305441859155945E-12 1.555366733855819E-11 4.543337976309869E-8 1.064715256183244E-11 9.756508525012926E-9 -7.998146419220969E-12
node -5.62802966845827E-15 1.533702058416706E-14 1.064715256183244E-11 3.946699238293201E-9 -3.935260052436283E-9 -6.173086431178169E-11
peri -1.159953597304638E-12 3.359384906409879E-12 9.756508525012926E-9 -3.935260052436283E-9 6.039308716982808E-9 5.983498093825386E-11
i 9.602202783428567E-16 -2.185974475980023E-15 -7.998146419220969E-12 -6.173086431178169E-11 5.983498093825386E-11 4.295469213491573E-11

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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