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186286 (2002 AA177)
Classification: Main-belt Asteroid          SPK-ID: 2186286
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1949276945550585 5.9631e-08  
a 3.066661728846095 2.3575e-08 au
q 2.468884428061896 1.7933e-07 au
i 6.766218787665785 7.6566e-06 deg
node 311.3762736334136 3.9887e-05 deg
peri 233.5964921391609 4.2837e-05 deg
M 178.085440316334 1.7124e-05 deg
tp 2458426.161751665289
(2018-Nov-03.66175167)
8.8662e-05 TDB
period 1961.540307730908
5.37
2.2619e-05
6.193e-08
d
yr
n .1835292390276929 2.1163e-09 deg/d
Q 3.664439029630294 2.817e-08 au
  Orbit Determination Parameters
   # obs. used (total)      319  
   data-arc span      6844 days (18.74 yr)  
   first obs. used      2002-01-14  
   last obs. used      2020-10-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63478  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:50:39  

Additional Information
 Earth MOID = 1.4795 au 
 Jupiter MOID = 1.38092 au 
 T_jup = 3.192 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457618.5 (2016-Aug-18.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1909624703141858 5.9568e-08  
q 2.485917229792324 1.7845e-07 au
tp 2458424.865026958767
(2018-Nov-02.36502696)
9.0537e-05 TDB
node 311.4884615193456 3.9986e-05 deg
peri 233.7649315194761 4.3018e-05 deg
i 6.751497177829607 7.6374e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      319  
   data-arc span      6844 days (18.74 yr)  
   first obs. used      2002-01-14  
   last obs. used      2020-10-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63478  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:50:39  

Additional Information
 Jupiter MOID = 1.38092 au 
 T_jup = 3.192 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.548335647481926E-15 -1.057276552539309E-14 -1.823104555422446E-12 -1.047875591503122E-14 -3.602824870847137E-13 4.887315379316821E-15
q -1.057276552539309E-14 3.18444484370657E-14 6.142765683595957E-12 2.217763808192215E-14 1.163557061676165E-12 -2.079925530669435E-15
tp -1.823104555422446E-12 6.142765683595957E-12 8.196999742156733E-9 -1.58573610936299E-12 1.441978614686662E-9 1.806164667002508E-11
node -1.047875591503122E-14 2.217763808192215E-14 -1.58573610936299E-12 1.598872581333831E-9 -1.587107148039608E-9 6.310485862930013E-11
peri -3.602824870847137E-13 1.163557061676165E-12 1.441978614686662E-9 -1.587107148039608E-9 1.850529753852603E-9 -6.013014464043079E-11
i 4.887315379316821E-15 -2.079925530669435E-15 1.806164667002508E-11 6.310485862930013E-11 -6.013014464043079E-11 5.832912447000818E-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 15.46   n/a E2021B55  

186286 (2002 AA177)          Discovered 2002-Jan-14 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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