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332890 (2011 AT76)
Classification: Main-belt Asteroid          SPK-ID: 2332890
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 .02732524334137095 5.1348e-08  
a 2.742264098237757 2.7707e-08 au
q 2.667331064447105 1.4392e-07 au
i 11.13279312430224 6.012e-06 deg
node 117.1766277092964 2.9147e-05 deg
peri 348.8448088059272 0.00015619 deg
M 50.44795685061836 0.00014834 deg
tp 2458768.063982944541
(2019-Oct-11.56398294)
0.0006845 TDB
period 1658.678990464205
4.54
2.5138e-05
6.882e-08
d
yr
n .2170401880470247 3.2893e-09 deg/d
Q 2.817197132028409 2.8464e-08 au
  Orbit Determination Parameters
   # obs. used (total)      244  
   data-arc span      7084 days (19.39 yr)  
   first obs. used      2000-11-27  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5657  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 21:31:38  

Additional Information
 Earth MOID = 1.68456 au 
 Jupiter MOID = 2.2442 au 
 T_jup = 3.322 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457712.5 (2016-Nov-20.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02765719369090027 5.1362e-08  
q 2.666004531922407 1.4442e-07 au
tp 2457117.251707925597
(2015-Apr-04.75170793)
0.0006831 TDB
node 117.1917756705814 2.9153e-05 deg
peri 350.5172465272032 0.00015428 deg
i 11.13210671053094 6.0117e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      244  
   data-arc span      7084 days (19.39 yr)  
   first obs. used      2000-11-27  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5657  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 21:31:38  

Additional Information
 Jupiter MOID = 2.2442 au 
 T_jup = 3.322 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.638004307751008E-15 -7.287236591076216E-15 8.804642698849178E-13 2.810931763466355E-15 1.397881428552538E-13 -2.540895461691212E-15
q -7.287236591076216E-15 2.085613870349329E-14 -8.64499748473782E-12 -1.301124060546743E-14 -1.718868531185647E-12 9.014448585024694E-15
tp 8.804642698849178E-13 -8.64499748473782E-12 4.666192035173168E-7 7.786469436944726E-11 1.035133277831306E-7 -4.140069144331014E-11
node 2.810931763466355E-15 -1.301124060546743E-14 7.786469436944726E-11 8.499068394521466E-10 -8.163800437257997E-10 2.085001332712526E-11
peri 1.397881428552538E-13 -1.718868531185647E-12 1.035133277831306E-7 -8.163800437257997E-10 2.380184963981636E-8 -2.95405114364703E-11
i -2.540895461691212E-15 9.014448585024694E-15 -4.140069144331014E-11 2.085001332712526E-11 -2.95405114364703E-11 3.614056576507335E-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 16.2   n/a MPO455452  

332890 (2011 AT76)          Discovered 2008-Jun-03 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

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Alternate Designations
 2011 AT76 = 2008 LG5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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