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277774 (2006 DG187)
Classification: Main-belt Asteroid          SPK-ID: 2277774
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08243492375272915 6.8525e-08  
a 2.781848070020921 3.0512e-08 au
q 2.55252663647707 2.0106e-07 au
i 2.975384123279908 6.2768e-06 deg
node 123.1621481495199 0.00012919 deg
peri 262.5731925526757 0.00013506 deg
M 172.7182589580594 4.2594e-05 deg
tp 2458187.418108565853
(2018-Mar-09.91810857)
0.00019325 TDB
period 1694.722275931293
4.64
2.7882e-05
7.634e-08
d
yr
n .212424186023147 3.4949e-09 deg/d
Q 3.011169503564772 3.3027e-08 au
  Orbit Determination Parameters
   # obs. used (total)      241  
   data-arc span      6049 days (16.56 yr)  
   first obs. used      2003-10-01  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54296  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 16:29:36  

Additional Information
 Earth MOID = 1.55845 au 
 Jupiter MOID = 2.37134 au 
 T_jup = 3.326 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457379.5 (2015-Dec-23.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08172909793869568 6.8063e-08  
q 2.555057781022892 1.9937e-07 au
tp 2458190.186966215887
(2018-Mar-12.68696622)
0.00019636 TDB
node 123.1701607666071 0.0001292 deg
peri 263.2372328678784 0.00013527 deg
i 2.975116809874316 6.2757e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      241  
   data-arc span      6049 days (16.56 yr)  
   first obs. used      2003-10-01  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54296  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 16:29:36  

Additional Information
 Jupiter MOID = 2.37134 au 
 T_jup = 3.326 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.632562980349951E-15 -1.344912336578199E-14 -7.053053824286026E-12 -2.974885490813312E-14 -1.50298110024744E-12 -3.641206235754935E-17
q -1.344912336578199E-14 3.975038716997951E-14 2.239744614584809E-11 8.553278257505887E-14 4.684255143477301E-12 4.16767336410784E-16
tp -7.053053824286026E-12 2.239744614584809E-11 3.855583750638856E-8 -1.872922005740816E-11 7.921199399285826E-9 -3.790280841028369E-12
node -2.974885490813312E-14 8.553278257505887E-14 -1.872922005740816E-11 1.669253047513607E-8 -1.66728593721005E-8 4.373261358043474E-10
peri -1.50298110024744E-12 4.684255143477301E-12 7.921199399285826E-9 -1.66728593721005E-8 1.829792743746121E-8 -4.375575021730594E-10
i -3.641206235754935E-17 4.16767336410784E-16 -3.790280841028369E-12 4.373261358043474E-10 -4.375575021730594E-10 3.938411910495655E-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 16.1   n/a MPO433796  

277774 (2006 DG187)          Discovered 2006-Feb-27 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

Alternate Designations
 2006 DG187 = 2004 XV138 = 2008 SB166 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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