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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 ]

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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1837511646439105 8.1471e-08  
a 2.635091757319208 2.7495e-08 au
q 2.150890577968235 2.1901e-07 au
i 8.051854737291929 8.2414e-06 deg
node 149.1486821619436 4.5647e-05 deg
peri 175.0923529128205 5.1873e-05 deg
M 12.94446040742606 2.0724e-05 deg
tp 2459144.321066363613
(2020-Oct-21.82106636)
8.9824e-05 TDB
period 1562.399317741882
4.28
2.4454e-05
6.695e-08
d
yr
n .2304148471597543 3.6063e-09 deg/d
Q 3.119292936670181 3.2547e-08 au
  Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      6201 days (16.98 yr)  
   first obs. used      2003-07-03  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65406  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 21:16:22  

Additional Information
 Earth MOID = 1.13706 au 
 Jupiter MOID = 2.22563 au 
 T_jup = 3.360 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457065.5 (2015-Feb-12.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1831627378161051 8.177e-08  
q 2.152293168509974 2.1989e-07 au
tp 2457583.987742005948
(2016-Jul-14.48774201)
9.015e-05 TDB
node 149.1922237647894 4.5687e-05 deg
peri 175.5050442816299 5.1899e-05 deg
i 8.047868469087174 8.2381e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      6201 days (16.98 yr)  
   first obs. used      2003-07-03  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65406  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 21:16:22  

Additional Information
 Jupiter MOID = 2.22563 au 
 T_jup = 3.360 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.686321910339267E-15 -1.788991086426596E-14 5.429317734915734E-12 -4.712963478687457E-14 1.571232559927092E-12 -2.195890037363125E-15
q -1.788991086426596E-14 4.835325317670095E-14 -1.461468810532423E-11 1.297317177438739E-13 -4.27396042814956E-12 7.931379718234048E-15
tp 5.429317734915734E-12 -1.461468810532423E-11 8.127073081045413E-9 -4.946449752071448E-11 2.26043936981556E-9 -7.444783821974632E-13
node -4.712963478687457E-14 1.297317177438739E-13 -4.946449752071448E-11 2.087295021672516E-9 -2.078578968385831E-9 2.230486836880972E-10
peri 1.571232559927092E-12 -4.27396042814956E-12 2.26043936981556E-9 -2.078578968385831E-9 2.693539102145498E-9 -2.210758998258466E-10
i -2.195890037363125E-15 7.931379718234048E-15 -7.444783821974632E-13 2.230486836880972E-10 -2.210758998258466E-10 6.786610291621817E-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 16.59   n/a E2021B55  

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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