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JPL Small-Body Database Browser
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277705 (2006 DR4)
Classification: Main-belt Asteroid          SPK-ID: 2277705
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1839866686941086 8.2776e-08  
a 2.634182306756299 2.7646e-08 au
q 2.149527879403245 2.2185e-07 au
i 8.049065859511375 8.3916e-06 deg
node 149.1810300848007 4.6427e-05 deg
peri 175.3605911443622 5.2626e-05 deg
M 234.4283429337044 2.0896e-05 deg
tp 2459145.198643805401
(2020-Oct-22.69864381)
9.1569e-05 TDB
period 1561.590540024632
4.28
2.4584e-05
6.731e-08
d
yr
n .2305341834321829 3.6292e-09 deg/d
Q 3.118836734109352 3.2733e-08 au
  Orbit Determination Parameters
   # obs. used (total)      170  
   data-arc span      5761 days (15.77 yr)  
   first obs. used      2003-07-03  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67959  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:51:30  

Additional Information
 Earth MOID = 1.1368 au 
 Jupiter MOID = 2.22417 au 
 T_jup = 3.360 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457052.5 (2015-Jan-30.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1831472342941045 8.2969e-08  
q 2.152365242277986 2.2238e-07 au
tp 2457583.989610391808
(2016-Jul-14.48961039)
9.1544e-05 TDB
node 149.1920486693404 4.6428e-05 deg
peri 175.502300079571 5.2662e-05 deg
i 8.047836981375623 8.3905e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      170  
   data-arc span      5761 days (15.77 yr)  
   first obs. used      2003-07-03  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67959  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:51:30  

Additional Information
 Jupiter MOID = 2.22417 au 
 T_jup = 3.360 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.883936715508688E-15 -1.835551310802358E-14 5.652907958858564E-12 -4.481363077567314E-14 1.619092561790864E-12 -1.233948311714868E-15
q -1.835551310802358E-14 4.945070253946957E-14 -1.514252832745265E-11 1.234464668906305E-13 -4.386232813319075E-12 5.512500736337852E-15
tp 5.652907958858564E-12 -1.514252832745265E-11 8.380233259085516E-9 -4.975185160422692E-11 2.317630182624875E-9 -2.172370240297163E-13
node -4.481363077567314E-14 1.234464668906305E-13 -4.975185160422692E-11 2.155602703457294E-9 -2.146182208403561E-9 2.362013119494722E-10
peri 1.619092561790864E-12 -4.386232813319075E-12 2.317630182624875E-9 -2.146182208403561E-9 2.773244801703712E-9 -2.339626839243104E-10
i -1.233948311714868E-15 5.512500736337852E-15 -2.172370240297163E-13 2.362013119494722E-10 -2.339626839243104E-10 7.040022098530277E-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 16.5   n/a MPO470938  

277705 (2006 DR4)          Discovered 2006-Feb-20 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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