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277285 (2005 SG86)
Classification: Main-belt Asteroid          SPK-ID: 2277285
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1252816889934913 5.1531e-08  
a 2.314012318275763 9.7648e-09 au
q 2.024108946690431 1.2066e-07 au
i 5.533526322120977 6.7937e-06 deg
node 180.953723684383 4.1305e-05 deg
peri 142.6662729638606 4.921e-05 deg
M 98.97929132606664 2.4316e-05 deg
tp 2458647.000530895664
(2019-Jun-12.50053090)
8.7137e-05 TDB
period 1285.721560263853
3.52
8.1383e-06
2.228e-08
d
yr
n .2799984157737245 1.7723e-09 deg/d
Q 2.603915689861095 1.0988e-08 au
  Orbit Determination Parameters
   # obs. used (total)      288  
   data-arc span      5788 days (15.85 yr)  
   first obs. used      2004-03-23  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51687  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:10:59  

Additional Information
 Earth MOID = 1.01552 au 
 Jupiter MOID = 2.69321 au 
 T_jup = 3.566 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457204.5 (2015-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1260249864636496 5.1657e-08  
q 2.022110901255187 1.2111e-07 au
tp 2457362.153910334390
(2015-Dec-05.65391033)
8.8048e-05 TDB
node 180.9905334277725 4.1275e-05 deg
peri 142.841390887694 4.9088e-05 deg
i 5.535628408486743 6.7974e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      288  
   data-arc span      5788 days (15.85 yr)  
   first obs. used      2004-03-23  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51687  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:10:59  

Additional Information
 Jupiter MOID = 2.69321 au 
 T_jup = 3.566 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.668441022300477E-15 -6.240630372114845E-15 2.034654469419832E-12 3.723314747159061E-14 5.226189352112348E-13 -1.529798858386918E-15
q -6.240630372114845E-15 1.466697976958054E-14 -4.896027985181489E-12 -8.823814718230104E-14 -1.268184428664799E-12 3.660747975072464E-15
tp 2.034654469419832E-12 -4.896027985181489E-12 7.752519903821441E-9 5.840385552383693E-11 2.343180896247829E-9 4.354336352405948E-12
node 3.723314747159061E-14 -8.823814718230104E-14 5.840385552383693E-11 1.70359634050777E-9 -1.677206747246926E-9 3.611757302925773E-11
peri 5.226189352112348E-13 -1.268184428664799E-12 2.343180896247829E-9 -1.677206747246926E-9 2.409584755269829E-9 -3.457938172715002E-11
i -1.529798858386918E-15 3.660747975072464E-15 4.354336352405948E-12 3.611757302925773E-11 -3.457938172715002E-11 4.620420312253326E-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 17.3   n/a MPO446374  

277285 (2005 SG86)          Discovered 2005-Sep-24 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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